Omron RFID Business Development Department V720SBC5D4A-US RF ID Reader User Manual

Omron Corporation, RFID Business Development Department RF ID Reader

user manual

Electromagnetic Inductive

RFID System

V720-series

User’s Manual

Long-Range Reader/ Writer

V720S-BC5D4A

V720S-BC5D4A-US

Manual Number SRFM-005A

Preliminary

About this Manual:

Thank you for purchasing our V720-series Electromagnetic Inductive RFID System.

The V720-series is a family of products that were developed by fully utilizing our high technology and

broad experience.

This User’s Manual provides various information that will be necessary when using the Reader/Writer

model V720S-BC5D4A / BC5D4A-US (hereinafter called the "Reader/Writer” or “R/W"), including the

functions and performance of the Reader/Writer and how to use it.

When you actually use the V720-series product, please make sure to follow the recommendations

below:

• Read this manual carefully to understand the product fully, and ensure proper use when you

actually use the product.

• Keep this manual in a safe place where you can access it any time for immediate

reference.

Precautions

Read and Understand this Manual

Please read and understand this manual before using the products. Please consult your OMRON

representative if you have any questions or comments.

Warranty, Limitations of Liability

< WARRANTY >

OMRON's exclusive warranty is that the products are free from defects in materials and

workmanship for a period of one year (or other period if specified) from date of sale by OMRON.

OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT,

MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER

ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET

THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR

IMPLIED.

< LIMITATIONS OF LIABILITY >

OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS

OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON

CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY.

In no event shall the responsibility of OMRON for any act exceed the individual price of the

product on which liability is asserted.

IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE

PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED,

INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE

MODIFICATION OR REPAIR.

iii

Application Considerations

< SUITABILITY FOR USE >

OMRON shall not be responsible for conformity with any standards, codes, or regulations that

apply to the combination of the products in the customer's application or use of the products.

At the customer's request, OMRON will provide applicable third party certification documents

identifying ratings and limitations of use that apply to the products. This information by

itself is not sufficient for a complete determination of the suitability of the products in

combination with the end product, machine, system, or other application or use.

The following are some examples of applications for which particular attention must be given.

This is not intended to be an exhaustive list of all possible uses of the products, nor is it

intended to imply that the uses listed may be suitable for the products:

z Outdoor use, uses involving potential chemical contamination or electrical interference,

or conditions or uses not described in this manual.

z Nuclear energy control systems, combustion systems, railroad systems, aviation systems,

medical equipment, amusement machines, vehicles, safety equipment, and installations

subject to separate industry or government regulations.

z Systems, machines, and equipment that could present a risk to life or property.

Please know and observe all prohibitions of use applicable to the products.

NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT

ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON

PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT

OR SYSTEM.

< PROGRAMMABLE PRODUCTS >

OMRON shall not be responsible for the user's programming of a programmable product, or any

consequence thereof.

Disclaimers

< PERFORMANCE DATA >

Performance data given in this manual is provided as a guide for the user in determining

suitability and does not constitute a warranty. It may represent the result of OMRON’s test

conditions, and the users must correlate it to actual application requirements. Actual

performance is subject to the OMRON Warranty and Limitations of Liability.

< CHANGE IN SPECIFICATIONS >

Product specifications and accessories may be changed at any time based on improvements and

other reasons.

It is our practice to change model numbers when published ratings or features are changed, or

when significant construction changes are made. However, some specifications of the products

may be changed without any notice. When in doubt, special model numbers may be assigned to

fix or establish key specifications for your application on your request. Please consult with

your OMRON representative at any time to confirm actual specifications of purchased products.

< DIMENSIONS AND WEIGHTS >

Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when

tolerances are shown.

< ERRORS AND OMISSIONS >

The information in this manual has been carefully checked and is believed to be accurate; however,

no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.

Safety Precautions

This chapter provides important information for the safe use of this product.

Ensure to read the information carefully before use.

In the safety precautions below, severity is categorized as either ”WARNING” or “CAUTION”.

WARNING

Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

Caution Indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury, or property damage.

Property damage refers to extended damage caused to

house/household goods or livestock/pets.

●Description of Symbols

Prohibition

Indicates an action or activity not permitted.

Observe strictly

Indicates the need to ensure the safe use of the product.

Ensure to establish a solid grounding

A label indicating that a device with a grounding terminal should always be

grounded.

Electric shock hazard

A notification that alerts the possibility of electric shock under certain

conditions.

Do not disassemble

A notification that prohibits disassembly when injuries caused by electric

shocks may result.

Please ensure that all cautions and prohibitions are adhered to, since non-compliance may lead

to serious injury or damage, in certain circumstances.

WARNING

Never disassemble, repair, or modify the main unit and cables.

z Do not disassemble, repair, or modify this product. Doing so may result in electric shock, fire, or

personal injury.

Do not handle the device with wet hands. Do not touch the terminals while the

device is connected to the power supply.

z Electric shock hazard.

Do not allow the cables to be in contact with heaters.

z The cable sheaths may melt and the exposed wire may cause electric shock or fire.

Be sure a solid grounding is established for the device.

z Electric shock hazard.

Caution

Do not drop the device or apply physical shock.

z Doing so may result in personal injury or device damage.

Do not apply strong force to, or place heavy items on the device or cables.

z Doing so may deform or damage the device, resulting in electric shock or fire.

Use and store the product in an environment that is specified in the catalog or

operation manual.

z Failure to do so may cause failure of the device, electric shock, or fire. Do not use or store the

device in the following locations:

・ Locations that do not satisfy the specified operating conditions (-10 to +50℃, 35%RH to

85%RH,non-condensing).

・ Locations that do not satisfy the specified storage conditions (-25 to +65℃, 35%RH to

85%RH,non-condensing).

・ Locations where the Reader/Writer is exposed to direct sunlight.

・ Locations where the Reader/Writer is exposed to dust, corrosive gas, saline, or flammable

gas.

・ Locations where the Reader/Writer is exposed to direct heat.

・ Locations subject to condensation due to high humidity.

・ Locations subject to vibration or impact that exceed the limits outlined in the

specifications.

・ Locations where the device may be exposed to water, oil, or chemical agents. (This

applies to the models other than waterproof types.)

・ Outdoor

Be sure to tighten the base-mounting and terminal-block screws securely.

z Failure to do so may result in personal injury or device damage.

Use the specified-sized distribution cables.

z Failure to do so may cause failure of the device, electric shock, or fire.

vii

Cables with locking attachments must be secured before use.

z Failure to do so may damage the device.

The specifications of the DC power unit used must satisfy all of the following

conditions:

・

The power unit must be connected to the V720-series system and must not be connected to any

other devices.

・The supply voltage for the power unit must be within the range specified in this document (within

the range of DC24V + 10% and – 10%).

・Observe correct polarity when connecting the power unit.

・Be sure a solid Class D grounding is established (former Class 3 grounding).

To avoid interferences with other systems, adhere to the following items and check

them before using the product.

z The product uses a publicly available ISM frequency band of 13.56 MHz to communicate with

Tags. Some transceivers, motors, monitoring devices, power supplies (power supply ICs), and

other similar RFID systems may generate noise, which cause radio interference and may affect

communication with Tags. If the product is required in the vicinity of these items, check for any

interferences prior to use.

z On the contrary, the system itself may affect radio station transmissions or medical devices. Be

cautious when using the system in the environments where such effects might occur.

z To minimize noise effects, adhere to the following:

・Establish a Class D grounding (former Class 3 grounding) for metal objects placed in the

vicinity of the system.

・Keep cables away from those with high voltages or heavy currents.

Do not allow the device or cables to be soused or exposed to water.

z Doing so may result in electric shock, fire or failure of non-waterproof devices or cables.

If the device fails or is exposed to water (non-waterproof devices or parts), or an

unusual smell, smoke, or sparks are detected, immediately refrain from using the

device and contact OMRON or a sales representative for service and repair.

z Continued use of the failed device may result in electric shock or fire.

Do not use damaged cables.

z Continued use of the damaged cables may result in electric shock or fire.

viii

Precautions

This chapter provides important information for international standards and copyright.

Ensure to read the information carefully before use.

V720-BC5D4A and V720-BC5D4A-US conform to the following laws and standards. This conformity is

effective only if V720-BC5D4A or V720-BC5D4A-US is used with the designated antenna, V720-HS04.

1) European Standards (R&TTE Directive)

This product will conform to the R&TTE Directive (Radio Equipment and Telecommunication

Terminal Equipment Directive) as a set of the antenna, V720-HS04 (in October 2006).

Radio : EN 300 330

EMC : EN 301 489-1(EN55024, EN61000-4-2,3,4,6)

Safety : EN61010 or 60950

2) FCC(USA):

This product conforms to FCC Part 15 Subpart C.

FCC ID: OZGV720SBC5D4A-US (V720S-BC5D4A-US only).

This document is protected by copyright and is intended solely for use in conjunction with the product.

Notify your OMRON representative before copying or reproducing this document in any manner, for any

other purpose.

Declarations

FCC WARNING

Changes or modifications not expressly approved by the party responsible for compliance could void the

user’s authority to operate the equipment.

NOTICE

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment.

This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications. Operation of

this equipment in a residential area is likely to cause harmful interference in which case the user will be

required to correct the interference at his own expense.

NOTICE

Attach the accompanying ferrite core to the cable of DC power supply at the side of AC Mains connected

with AC input and Ground terminal in order to meet FCC emission limits.

TABLE OF CONTENS

SECTION 1

Features and System Configuration...............................1-1

1-1 Features.....................................................................................................................2

1-2 System Configuration................................................................................................ 3

1-2-1 Example of 1-to-1 System Configuration.............................................................3

1-2-2 Example of 1-to-N System Configuration............................................................4

SECTION 2

Specifications and Performance......................................2-1

2-1 Reader/Writer (V720S-BC5D4A)............................................................................. 2

2-1-1 Nomenclature......................................................................................................2

2-1-2 Names of Connector Terminals..........................................................................3

2-2 Specifications........................................................................................................... 4

2-2-1 General Specifications ........................................................................................4

2-2-2 Performance Specifications ................................................................................4

2-2-3 Reader/Writer Communications Specifications.................................................5

2-2-4 I/ O Specifications................................................................................................6

2-2-5 Host Communications Specifications.................................................................7

2-2-6 Dimensions..........................................................................................................8

2-3 Cable (sold separately)...............................................................................................9

2-3-1 General Specifications ........................................................................................9

2-3-2 Dimensions..........................................................................................................9

2-4 Memory Map of Tag................................................................................................11

2-4-1 I.CODE SLI Chip .............................................................................................. 11

2-4-2 I.CODE1 Chip.................................................................................................... 14

SECTION 3

Functions..........................................................................3-1

3-1 Operating mode .........................................................................................................2

3-1-1 Chip Operating mode............................................................................................2

3-1-2 Online Mode／Offline Mode.................................................................................2

3-2 Communication Mode................................................................................................ 3

3-2-1 Single Access..........................................................................................................3

3-2-2 FIFO Access...........................................................................................................3

3-2-3 Multiple Access......................................................................................................4

3-2-4 Selective Access.....................................................................................................4

3-2-4 Fast Read Access: I.CODE1 Mode only ...............................................................5

3-3 Memory Check Function: I.CODE1 Mode only ........................................................6

3-3-1 Usage ...................................................................................................................6

3-4 Lock Function ............................................................................................................ 7

3-5 Discriminating Access to Tag Function.....................................................................8

3-6 External I/O Function ............................................................................................... 9

3-6-1 External Input.......................................................................................................9

3-6-2 External Output....................................................................................................9

3-7 EAS Function........................................................................................................... 10

3-8 Duplicate Communication Protecting Function .................................................... 11

SECTION 4

From Start-up to Operation.............................................4-1

4-1 Operation of Reader/Writer....................................................................................... 2

4-1-1 Offline Mode ..........................................................................................................2

4-1-2 Online Mode ..........................................................................................................3

TABLE OF CONTENS

4-2 Trial Operation...........................................................................................................4

4-3 Reader/Writer Setting................................................................................................5

4-3-1 Host Communications Setting (COM Port Setting) ........................................... 5

4-3-2 Chip Operating Mode Setting.............................................................................. 6

4-3-3 Command Processing Procedure Setting............................................................ 7

4-3-4 Antenna and Tag Communications Setting........................................................ 8

4-3-5 Offline Mode Setting............................................................................................. 9

4-3-6 Initialization of settings ....................................................................................... 9

4-3-7 Fixing of Settings.................................................................................................. 9

4-4 Installation Environment ........................................................................................10

4-4-1 Installation...........................................................................................................10

4-5 Mounting Method.....................................................................................................11

4-5-1 Mounting Dimensional Drawing ........................................................................11

4-6 Wiring Method..........................................................................................................12

4-6-1 Power Supply and Grounding Wires..................................................................12

4-6-2 Host Communications Cabling...........................................................................13

4-6-2-1 RS-232C Interface Cabling............................................................................13

4-6-2-2 RS-485 Interface Cabling ............................................................................15

4-6-3 Assembly of Connector ........................................................................................18

4-6-3-1Assembly of Host Communications Connector and I/O Connector..............18

4-6-3-2 Assembly of Connector.................................................................................20

SECTION 5

Control from Host ........................................................... 5-1

5-1 Control by Commands................................................................................................3

5-1-1 Control by Commands.......................................................................................... 3

5-1-2 Command-Response Flow .................................................................................... 3

5-1-3 ACK/NACK Control.............................................................................................. 4

5-2 Control Procedures for Each Communication Mode.................................................5

5-2-1 Single Access ......................................................................................................... 5

5-2-1-1 Single Trigger Mode ......................................................................................... 5

5-2-1-2 Single Auto Mode.............................................................................................. 5

5-2-1-3 Single Repeat Mode: ISO Mode....................................................................... 6

5-2-1-4 Polling Auto Read............................................................................................. 7

5-2-2 FIFO Access........................................................................................................... 8

5-2-2-1 FIFO Trigger Mode........................................................................................... 8

5-2-2-2 FIFO Auto Mode............................................................................................... 9

5-2-2-3 FIFO Repeat Mode..........................................................................................10

5-2-3 Multiple Access ....................................................................................................11

5-2-3-1 Multiple Trigger Mode ....................................................................................11

5-2-3-2 Multiple Repeat Mode.....................................................................................13

5-2-4 Selective Access....................................................................................................14

5-2-4-1 ISO Mode .........................................................................................................14

5-2-4-2 I.CODE1 Mode.................................................................................................16

5-2-5 Specifying a Tag Code: I.CODE1 Mode..............................................................18

5-3 Command-Response Format....................................................................................19

5-3-1 Command Frame Structure................................................................................19

5-3-2 Response Frame Structure..................................................................................19

5-3-3 Command Code List ............................................................................................20

5-3-4 Communication Mode List..................................................................................21

5-3-5 Command-by-Command Communication Mode List ........................................23

5-3-6 Specifying a Data Code........................................................................................24

5-3-7 Exit Code List ......................................................................................................25

5-3-7-1 ISO Mode .........................................................................................................25

5-3-7-2 I.CODE1 Mode.................................................................................................26

5-3-8 Example BCC Calculation...................................................................................27

5-4 Communication Commands.....................................................................................28

5-4-1 Read (RD).............................................................................................................28

TABLE OF CONTENS

5-4-2 Write (WT)...........................................................................................................29

5-4-3 Read (RD)-Tag Detection: I.CODE1 Mode only.................................................31

5-4-4 Read (RD)-UID Select/Specified Tag..................................................................32

5-4-5 Write (WT)-UID Select/Specified Tag ................................................................33

5-4-6 Read (RD)-Fast Read Access: I.CODE1 Mode only...........................................34

5-4-7 Polling Single Auto Read (PR)............................................................................35

5-4-8 Polling Single Auto Write (PW)..........................................................................36

5-4-9 Polling Check (PC)..............................................................................................37

5-4-10 Polling End (PE)..................................................................................................38

5-4-11 Memory Check (MC): I.CODE1 Mode only........................................................39

5-4-12 Memory Calculation (MK): I.CODE1 Mode only ..............................................39

5-5 System Command.................................................................................................... 40

5-5-1 System Read (SR): ISO Mode only.....................................................................40

5-5-2 System Write (SW): ISO Mode only...................................................................41

5-5-3 System Lock (SL): ISO Mode only......................................................................42

5-5-4 Read (RD)-SNR Read: I.CODE1 Mode only ......................................................43

5-5-5 EAS Setting (ES): I.CODE1 Mode only .............................................................44

5-5-6 QuietBit Setting (QB): I.CODE1 Mode only......................................................44

5-5-7 Lock Setting (LK): ISO Mode .............................................................................45

5-5-8 Lock Setting Read (LR): ISO Mode only............................................................46

5-5-9 Lock Setting (LK): I.CODE1 Mode.....................................................................47

5-5-10 EAS Check (EA) ..................................................................................................48

5-6 Reader/Writer Control Commands.......................................................................... 49

5-6-1 Stop (ST)..............................................................................................................49

5-6-2 Reset (XZ) ............................................................................................................49

5-6-3 ACK (AK).............................................................................................................49

5-6-4 NACK (NK)..........................................................................................................49

5-6-5 I/O Control Command (CC)................................................................................50

5-6-6 Test (TS)...............................................................................................................50

5-6-7 Version (VS).........................................................................................................51

5-7 Setting Command.................................................................................................... 52

5-7-1 Reader/Writer AFI Enable/Disable Changeover (AE): ISO Mode only............52

5-7-2 Reader/Writer AFI Value setting (AF): ISO Mode only ....................................52

5-7-3 Reader/Writer Family Code Setting (FC): I.CODE1 Mode...............................53

5-7-4 Reader/Writer Application ID Setting (AI): I.CODE1 Mode ............................53

5-7-5 UID/SNR Addition Setting (SN).........................................................................54

5-7-6 Node Number Setting (NN)................................................................................55

5-7-7 Communications Port Setting (CP)....................................................................56

5-7-8 Communications Type Setting (CT)...................................................................58

5-7-9 Tag Communications Mode Setting (CM)..........................................................58

5-7-10 Antenna Changeover (AC)..................................................................................59

5-7-11 Terminal Resistance Setting (TM).....................................................................59

5-7-12 Offline Mode Setting (FL)...................................................................................60

5-7-13 Set Value Initialization (IS)................................................................................61

5-7-14 Set Value Writing (EW).......................................................................................61

5-7-15 Chip Operating Mode Switch (TY).....................................................................62

5-7-16 Duplicate Communication Protecting Function Setting (MX) [Ver1.20 and higher] 63

5-7-17 I/O Automatic Changeover Setting (CA) [Ver1.20 and higher]........................64

5-8 Other Commands..................................................................................................... 65

5-8-1 Command Undefined Response..........................................................................65

5-9 Command Connection: I.CODE1 Mode only........................................................... 66

SECTION 6

Startup and Full Operation.............................................6-1

6-1 Error Types and Diagnostic Functions.....................................................................2

6-2 Errors and Remedies................................................................................................. 3

6-3 Maintenance and Inspection..................................................................................... 4

6-4 Troubleshooting ......................................................................................................... 5

TABLE OF CONTENS

xii

6-4-1 Check Flowchart................................................................................................... 5

6-4-2 Check Items for Each Exit Code.........................................................................10

SECTION 7

Reference Data................................................................ 7-1

7-1 Turn Around Time and Communication Time ..........................................................2

7-1-1 Communication time in I.CODE1 mode.............................................................. 2

7-1-2 ISO mode - Communication time of I.CODE SLI chip....................................... 4

7-1-3 Turn Around Time (TAT) Calculation Method.................................................... 5

7-2 Calculating the speed of the Tag ...............................................................................6

SECTION 8

Appendix.......................................................................... 8-1

Appendix 1 Accessories.......................................................................................................2

Appendix 2 JIS8 Code Table (ASCII Code Table)..............................................................3

1-1

SECTION 1

Features and System Configuration

1-1 Features................................................................................................................ 1-2

1-2 System Configuration .......................................................................................... 1-3

1-2-1 Example of 1-to-1 System Configuration...........................................................1-3

1-2-2 Example of 1-to-N System Configuration..........................................................1-4

1-1 Features 1-2

1-2

The V720-series Electromagnetic Inductive RFID System is ideal for the construction of highly

functional, long-distance wireless ID systems for material control and logistics.

V720S-BC5D4A (hereinafter called “Reader/Writer”) is the device to communicate with Tag

(manufactured by OMRON) of the V720-series that use two kinds of I-CODE chips manufactured by

Philips Semiconductor (Product name: SL1 ICS30 01, Common name: I.CODE1; and Product name:

SL2 ICS20, Common name: I.CODE2). The chip SL2 ICS 20 is fully conforming to ISO/EC15693.

The Reader/Writer can be connected to personal computers (PCs) and Programmable Logic Controllers

(PLCs) to process large amounts of data flexibly with simple commands.

RUN

COMM

NORM

ERROR

+24V

GND

Reset

IN1

IN2

IN3

INCOM

OUT1

OUT2

OUT3

OUT4

OUTCOM

COM1

EIA-485

COM2

EIA-232

COM1

EIA-232/485

Host Device for setup such

as PC or PLC.

RUN

COMM

NORM

ERROR

RUN

COMM

NORM

ERROR

+24V

GND

Reset

IN1

IN2

IN3

INCOM

OUT1

OUT2

OUT3

OUT4

OUTCOM

COM1

EIA-485

COM2

EIA-232

COM1

EIA-232/485

Host Device for setup such

as PC or PLC.

■Highly Functional RFID System

In addition to 1-to-1 communication between a Tag and an

antenna, the RFID System operates in either multiple

simultaneous access mode, selective access mode, or FIFO

(first-in, first-out) read/write mode. In multiple simultaneous

access mode, if there is more than one Tag in the communications

area, the RFID System reads and writes data from and to all the

Tags at one time. In selective access mode, the user can specify the

Tags from and to which data is read and written. In FIFO

read/write mode, the RFID System reads and writes data to one

Tag after another as they come into the communications area.

■Support of off-line EAS Mode

The Reader/Writer can operate in EAS mode (see 3-7 in Section 3)

as a standalone device, with no need to connect with the host.

■I/O function

By issuing commands from the host, the user can operate three

input points and four output points.

■Protection Construction

The protection construction IP60 has been achieved in the

Reader/Writer.

1-2 System Configuration 1-2

1-3

1-2-1 Example of 1-to-1 System Configuration

The V720S-BC5D4A has a built-in serial interface conforming to RS-232C

and RS-485, thus making it possible to communicate with personal

computers and PLCs. All the ordinary communication processes take

place via commands from the host.

RUN

COM

NORM

ERRO

Gate Antenna

V720-HS72

○

Rx_R Rx_C Tx/Rx_R

Tx/Rx_C

Rx_ANT

Tx/Rx_ANT

OMRON

V720-K70

RF SW BOX

Long-Range Reader/Writer

V720S-BC5D4A

Long-Range Antenna

V720-HS04

Personal computer ＰＬＣ

Desktop

computer

Laptop

computer

RS-232C

Host

device

RUN

COM

NORM

ERRO

RUN

COM

NORM

ERRO

ONON

Gate Antenna

V720-HS72

○

Rx_R Rx_C Tx/Rx_R

Tx/Rx_C

Rx_ANT

Tx/Rx_ANT

OMRON

V720-K70

RF SW BOX

○

Rx_R Rx_C Tx/Rx_R

Tx/Rx_C

Rx_ANT

Tx/Rx_ANT

OMRON

V720-K70

RF SW BOX

○

Rx_R Rx_C Tx/Rx_R

Tx/Rx_C

Rx_ANT

Tx/Rx_ANT

○

Rx_R Rx_C Tx/Rx_R

Tx/Rx_C

Rx_ANT

Tx/Rx_ANT

OMRON

V720-K70

RF SW BOX

Long-Range Reader/Writer

V720S-BC5D4A

Long-Range Antenna

V720-HS04

Personal computer ＰＬＣ

Desktop

computer

Laptop

computer

RS-232C

Host

device

1-2 System Configuration 1-2

1-4

1-2-2 Example of 1-to-N System Configuration

The unit has a built-in RS-485 interface that enables multi-drop

connection of up to 31 Reader/Writer units per host such as a mainframe

or PLC.

The cable for RS-485 can be extended to a total maximum length of 300

meters.

RUN

COM

NOR

ERR

Personal computer ＰＬＣ

Desktop

computer

Laptop

computer

V720-HS04

V720S-BC5D4A

RUN

COM

NOR

ERR

V720-HS04

V720S-BC5D4A

RUN

COM

NOR

ERR

V720-HS04

V720S-BC5D4A

RS-485 RS-485 RS-485

Host device

Container

Tag

RUN

COM

NOR

ERR

Personal computer ＰＬＣ

Desktop

computer

Laptop

computer

V720-HS04

V720S-BC5D4A

RUN

COM

NOR

ERR

V720-HS04

V720S-BC5D4A

RUN

COM

NOR

ERR

V720-HS04

V720S-BC5D4A

RS-485 RS-485 RS-485

Host device

Container

Tag

Note:

In the configuration, where multiple Reader/Writers are connected via an RS-485 interface, the commands in a

Communication Mode by which responses are returned at the Tag’s entry into the communication area, such as

those in the Auto or Repeat Modes, cannot be executed simultaneously. The responses from the Reader/Writer will

collide, preventing the host from receiving them normally. Such commands must be executed from the Polling

Command, or by the time-shared processing performed by the host.

：The models shown in the diagram are for example purposes only

2-1

SECTION 2

Specifications and Performance

2-1 Reader/Writer (V720S-BC5D4A) ............................................................................ 2-2

2-1-1 Nomenclature .......................................................................................................... 2-2

2-1-2 Names of Connector Terminals............................................................................... 2-3

2-2 Specifications........................................................................................................... 2-4

2-2-1 General Specifications............................................................................................. 2-4

2-2-2 Performance Specifications..................................................................................... 2-4

2-2-3 Reader/Writer Communications Specifications..................................................... 2-5

2-2-4 I/O Specifications..................................................................................................... 2-6

2-2-5 Host Communications Specifications..................................................................... 2-7

2-2-6 Dimensions............................................................................................................... 2-8

2-3 Cable (sold separately)............................................................................................ 2-9

2-3-1 General Specifications............................................................................................. 2-9

2-3-2 Dimensions............................................................................................................... 2-9

2-4 Memory Map of Tag ...............................................................................................2-11

2-4-1 I.CODE SLI Chip................................................................................................ 2-11

2-4-2 I.CODE1 Chip..................................................................................................... 2-14

2-1 Reader/Writer (V720S-BC5D4A) 2-1

2-2

2-1-1 Nomenclature

o. Name Function/description

1 Power connector Connects 24 VDC.

2 Input/Output connector

This connector can connect the following signals:

z External RESET signal input (1 point)

z User input readable via command (3 points)

z User output operable via command (4 points)

* For the application of specialized antennas, some outputs are reserved for

exclusive use. For the connection in such cases, refer to the respective

Antenna Manual.

Host communication connector Connects a PLC, PC, or the like to transmit commands to and receives

responses from the Reader/Writer.

COM1 This is a host port used for ordinary communication. The interface conforms to

RS-232C and RS-485, either of which is used selectively as appropriate.

COM2

This port conforms to RS-232C and is solely used for setup. The RS-232C

interface of this port operates independent of the RS-232C interface of COM1.

The RS-485 pin is provided for extension when multi-dropped connection is

used.

Transmitting/receiving

antenna connector (TX/RX

ANT)

Connects an antenna (the V720-HS04 or the like).

5 Receiving antenna connector

(RX ANT)

A receive-only antennal can be connected to this connector. This connector is

provided for special applications, e.g., connection with a gate antenna. Leave

this connector unconnected in normal use.

Indicators The indicators shows the state of operation, as shown below:

RUN Green Turns on when the Reader/Writer is operating normally.

COMM Green Turns on when the Reader/Writer is in communications with the Tag.

NORM Green Turns on when communication has completed normally.

ERROR Red zTurns on when a communication error has occurred.

zTurns on when a system error has occurred.

IN1 - IN3 Green Turns on when the input signal is on.

OUT1 - OUT4 Green Turns on when the output signal is on.

Note

●Do not connect antennas other than those recommended by OMRON.

●When connecting a Receive-only Antenna, enable the Receive-only Antenna Mode with the Antenna Changeover

Command (AC).

(4) Connector for

send/receive antenna

(1) Power supply

connector

(6) LED Display

(3) Connectors for host (s)(2) I/O connector

(5) Connector for

receiving

antenna

(4) Connector for

send/receive antenna

(1) Power supply

connector

(6) LED Display

(3) Connectors for host (s)(2) I/O connector

(5) Connector for

receiving

antenna

2-1 Reader/Writer(V720S-BC5D4A) 2-1

2-3

2-1-2 Names of Connector Terminals

Each connector shows pin numbers ,which are viewed from the outside of

the Reader/Writer.

1. Power connector

Shape of

connector

number Name Description

1 GND Connects 0V.

2 + 24 VDC Connects the + side of 24 VDC.

1 2

3 GR Connecting to a ground of 100 Ω or less

2. Input/Output connector

Signals have been insulated from one another. The input and output

signals are connected in a pair to INCOM and OUTCOM, respectively.

Shape of

connector

number Name Description

1 RST RESET signal input

2 IN1 External input signal 1

3 IN2 External input signal 2

4 IN3 External input signal 3

5 INCOM

Common terminal for common use by external input

signals

6 OUT1 External output signal 1

7 OUT2 External output signal 2

8 OUT3 External output signal 3

9 OUT4 External output signal 4

10 OUTCOM

Common terminal for common use by external

output signals

3. Host communication connector

COM1 and COM2 are set commonly, as shown below.

Shape of

connector

number Name Description

1 RD Receive data (RS-2332C)

2 SD Transmit data (RS-2332C)

3 SG Grounding for signals (RS-232C)

4 + + (RS-485)

5 - - (RS-485)

3 2 1

7 6 5 4

10 9 8

4 7

1 2 3

4 5

2-2 Specifications 2-2

2-4

2-2-1 General Specifications

Item Specifications

Supply voltage 24VDC ±10%

Power consumption 27 W or less

Ambient operating

temperature -10℃ to 50℃ (with no icing)

Ambient operating humidity 35% to 85% RH (with no condensation)

Ambient storage temperature -25℃ to 65℃ (with no icing)

Insulation resistance

20 MΩ min. (by a 100 VDC mega) between both

I/O terminals and both power supply terminals,

between both COM terminals, and between both

ANT terminals

Dielectric strength

Leakage current of 10 mA max. at 1000 VAC

(50/60 Hz) for 1 minute in any of the above

combinations

Vibration resistance

No abnormal condition after applying 10 sweeps

of a vibration of 10 to 150 Hz and 0.2mm double

amplitude in X, Y, and Z directions for eight

minutes

Shock resistance

No abnormal condition after giving an impact of

150 m/s2 three times each in X, Y, and Z

directions, i.e., 18 times in total

Grounding Connecting to a ground of 100 Ω or less

Dimensions 247 x 84 x 128 mm (W×H×D)

Protective construction IP60 (IEC60529 Standard)

Number of terminals for

antenna connection

Transmitting/receiving antenna: 1

Receive-only antennal: 1

Material Aluminum die casting

Mounting method Fastening with M6 screws

Standby time＊１ 15 min

Weight Approx. 1.6 kg

：(*1) The time that elapses after turning power ON to getting stable for

communication.

2-2-2 Performance Specifications

Item Specifications

Self-diagnostics CPU Error, System Error, Host communication

Error, Tag Communication Error.

Initialization process at power-on

During the initialization process after power-on, four LED indicators: RUN, COMM, NORM, and ERROR light up.

No commands are accepted during the initialization process (approximately 2.5 seconds).

2-2 Specifications 2-2

2-5

2-2-3 Reader/Writer Communications Specifications

1. Transmission specifications

Item Specifications

Central carrier frequency 13.56 MHz ± 7 kHz

Antenna output V720S-BC5D4: 4.0 W or less

Output impedance: 50Ω

Modulation method ASK

Degree of modulation 10% to 20%

Coding method Fast mode: RZ/1 out of 4

Standard mode: 1 out of 256

Baud rate Fast mode: 26.5 kbps

Standard mode: 1.65 kbps

2. Receipt specifications

Item Specifications

Central carrier frequency 13.56 MHz ± 7 kHz

Sub-carrier 424 kHz

Modulation method ASK modulation on sub-carrier

Coding method Manchester encoding

Baud rate 26.5 kbps

Note

The Standard Mode and Fast Mode are specified by the Tag Communications Mode Setting Command (CM). It

should be noted that the factory default setting is the Fast Mode.

2-2 Specifications 2-2

2-6

2-2-4 I/O Specifications

Input specifications (RST, IN1, IN2, and IN3) Output specifications (OUT1, OUT2, OUT3, and OUT4))

Item Specifications Item Specifications

Input voltage 24VDC ± 10%

(including ripples)

Max. opening and

closing capacity

24VDC ± 10%, 50mA

(including ripples)

Input impedance 2.2 kΩ

Input current 10mA TYP (24 VDC)

ON voltage 19 V min.

OFF voltage 5 V max.

Input response time 70 ms max.

Wiring with I/O equipment (Ex.)

NPN transistor output

Open collector type

(e.g., 3-wire type sensor)

Internal

circuit

2.2kΩ

Internal

circuit

2.2kΩ

Internal

circuit

2.2kΩ

Internal

circuit

2.2kΩ

Internal

circuit

Internal

circuit

Internal

circuit

Internal

circuit

Internal circuit

sensor

Reader/Writer input part

INCOM

IN1

IN2

IN3

Output

DC24V +

Power supply

RST

Reader/Writer output part

Mechanical switching

type

(e.g., push button SW)

OUT1

OUT2

OUT3

OUT4

OUTCOM

Relay

DC24V +

Power supply

2-2 Specifications 2-2

2-7

2-2-5 Host Communications Specifications

The RS-232C interfaces for COM1 and COM2 have separate communication ports, and thus it is

possible for these interfaces to have different communication settings. COM1 can be communicated via

RS-232C or RS485 interfaces. RS-232C for COM2 is primarily used for Reader/Writer setup, whereas

RS-485 pin at COM2 is used for multi-drop connection to other Reader/Writer devices.

COM1 connector

Item Description

Conforming standard RS-232C or RS-485

Communications

method

EIA/TIA-232-E half duplex or

EIA/TIA-485 half duplex

Baud rate 9600 bps, 19200 bps, 38400 bps, 115200 bps

Sync Start-stop synchronization (stop bit: 1 or 2)

Transmission code ASCII7 or JIS8 unit symbols

Max. number of

connections 31 (for connection via RS-485 Interfaces)

Error control Vertical parity (select from even, odd, or none)

For BCC, use or non-use of horizontal parity can be selected.

Line length 4) 15 m (when RS-232C is selected)

300 m in total (when RS-485 is selected)

COM2 connector

Item Description

Initial value

(after resetting power

supply)

Conforming

standard RS-232C -

Communications

method EIA/TIA-232-E half duplex -

Baud rate 9600 bps, 19200 bps, 38400 bps, 115200 bps 9600 bps

Sync Start-stop synchronization (stop bit: 1 or 2) Stop bit 2

Transmission

code ASCII7 or JIS8 unit symbols ASCII 7

Error control

Vertical parity (select from even, odd, or none)

For BCC, use or non-use of horizontal parity can be

selected.

• even

• Use for BCC

Line length 4) smaller than or equal to 15 m -

Communication Settings

1) Either RS-232C or RS-485 interfaces must be selected for COM1.

2) The Communication Settings for COM1/COM2 are set using Communications Port Setting Command (CP).

3) The COM2 Communication Settings are reset to the initial values at power reset.

(The settings are maintained when reset with Reset Command) (XZ).

4) The line length may be shorter depending on the transmission rate applied, be sure to confirm the length in

advance.

2-2 Specifications 2-2

2-8

2-2-6 Dimensions

2-3 Cable (sold separately) 2-3

2-9

2-3-1 General Specifications

Model

Item

V720-A 41

Antenna cable

V720-A 51

Power cable

V720-A 62

RS-232C cable

Cable type Coaxial cable - -

Number of conductors 2 (shield) 3 6

Insulation resistance 10 MΩ min. (at 250

VDC) between

conductor and shield

5 MΩ min. (at 250 VDC)

between conductor and

shield

10 MΩ min. (at 250

VDC) between

conductor and shield

Dielectric strength Leakage current of 1mA

max. at 300VAC

Leakage current of 1mA

max. at 300VAC

Leakage current of 1mA

max. at 300VAC

Cladding material PVC PVC PVC

2-3-2 Dimensions

■Antenna cable: V720-A41

Model

Item V720-A41 3.35M V720-A41 10.33M

Length 3350 +20-30 (mm) 10330+20-30 (mm)

Connection label

Connector (Reader/Writer side)

Ф5.5(mm)

Connector (Antenna side)

Antenna Cable Wiring

● Be sure to use V720-A41 3.35M or V720-A41 10.33M for the antenna cable. Using other cables may affect

communication performance.

● Do not change the cable length. Doing so may affect communication performance.

2-3 Cable (sold separately) 2-3

2-10

■Power cable: V720-A51

Item Model V720-A51

Length (L1) 3000+10-20(mm)

■Cable for RS-232C: V720-A62(For DOS/V PCs)

Item Model V720-A62 3M V720-A62 15M

Length (L1) 3000+50-0 (mm) 15000+50-0 (mm)

Connect label

Connector (Reader/Writer) Connector (Host side)

Ф6.6(mm)

Ф22

32.2

：The D-sub connector is an inch screw thread (M2.54) type.

D-sub connector Reader/Writer-side connector

2 pin RD 1 pin RD

3 pin SD 2 pin SD

5 pin SG 3 pin SG

Housing Shield

：Connect the shield wire to the connector cover on the PC side.

Installation/Operation Precautions

The cable must be laid in a particular manner so that no mechanical stress is applied to the cable.

The cable should not be repeatedly bent or pulled in an axial direction.

Red(+24VDC)

Black(0V)

White(GR)

Connection label

Connector (Reader/Writer side)

Ф7.8(mm)

Ф22(mm)

2-4 Memory Map of Tag 2-4

2-11

2-4-1 I.CODE SLI Chip (Philips Semiconductor IC, product name: SL2 ICS20)

This section describes a Tag incorporating a Philips Semiconductor IC

chip SL2 ICS20 Label IC (hereinafter called “I.CODE SLI chip”), which is

accessed by the system.

This chip is in conformity with international standards or ISO/IEC15693.

The user memory area of I.CODE2 chip consists of 28 pages (00h through

1Bh page) or 112 bytes.

This Reader/Writer is organized with one page (4 bytes) as the minimum

access unit of its memory block, and can be accessed up to the maximum

address space defined in ISO/IEC15693. 1) shows an example of a

Memory Map of an IC (hereinafter called “ISO/IEC chip”) in accordance

with ISO/IEC15693.

1) Maximum address space of ISO/IEC15693 chip organized with 4 bytes/page

Page Block Byte0 Byte1 Byte2 Byte3

00h 0

01h 1

02h 2

03h

04h

05h

06h

07h

08h

09h

0Ah

0Fh 15

10h 16

11h 17

1Bh 27

1F 31

F0h 240

F1h 241

FFh 255

Accessible Tags

●This product incorporates the firmware, which can access the 4-byte/page chip that conforms to ISO/IEC 15693.

However, the operation is guaranteed for OMRON Tags that use the Philips Semiconductor IC, SL2ICS20

(commonly called I.CODE SLI) only. The Tags by other manufactures, or those with other ISO/IEC15693 Chips

should be thoroughly tested by each user.

User memory area of

I･CODE2

Page 00h through 1Bh

(28 page = 112 Byte)

2-4 Memory Map of Tag 2-4

2-12

2) System area of I.CODE2 chip

This section describes a system area of I.CODE SLI chip. The system

area of I-CODE SLI chip is allocated in the other area rather than user

memory area.

Execute a specific command to access to the system area.

The processes in the system area are done by specific commands instead

of page number allocations.

Byte0 Byte1 Byte2 Byte3

UID

EAS/AFI/DSFID

Write-protected

(1) UID

UID is a Tag-specific code and has been written into the memory during

the chip production process.

The IC is shipped with this page write-access inhibited; there is no way of

making this page rewritable by the user.

(2) EAS

EAS mode: Inhibition/permission of EAS function

(e=0: EAS mode is disable; e=1: EAS mode is enable)

MSB LSB

Byte１ × × × × × × × ｅ

The pages marked with “X” in the table above are reserved for future use.

(3) AFI

AFI is special area for enabling the user to identify a Tag that is suitable

for a specific user application.

MSB LSB

Byte２ AFI higher-order 4bits AFI lower-order 4bits

■Definitions by ISO/IEC15693

AFI higher-order

4 bits

AFI lower-order

4 bits Applications Example

0 0 All applications None specified applications

X 0 X applications Select extensively

X Y

Y sub classification of

X application

0 Y

Limited applications

to Y sub classification

1 0,Y Transportation

Mass transportation, bus,

airplane

2 0,Y Finance Banks

3 0,Y Recognition Access control

4 0,Y Telecommunication Public telephone, CSM

5 0,Y Medical care

6 0,Y Multimedia Internet

7 0,Y Game

8 0,Y Data storage Portable file

9 0,Y

Physical distribution

management

A 0,Y Package delivery

B 0,Y Postal mail

C 0,Y Air hand baggage

D 0,Y Hold

E 0,Y Hold

F 0,Y Hold

*Note: X=1 through F Y=1 through F

2-4 Memory Map of Tag 2-4

2-13

(4) DSFID

DSFID indicates how data are organized in a memory.

MSB LSB

Byte3 DSFID

(5) Write-access conditions

The pages are write-inhibited permanently if they are so indicated in the

memory map. The factory settings are as follow. If the bit of a particular

page is 1, that page is write-protected.

MSB LSB

Byte0 0 0 0 0 0 0 0 0

Page

Byte1 0 0 0 0 0 0 0 0

Page

Byte2 0 0 0 0 0 0 0 0

Page

Byte3 0 0 0 0 0 0 0 0

Page

2-4 Memory Map of Tag 2-4

2-14

2-4-2 I.CODE1Chip (Philips Semiconductor IC, product name: SL1 ICS30 01, SL ICS31 01)

These specifications describe a Tag incorporating an IC chip I- CODE1

Label IC (product name: SL1 ICS30 01) from Philips, which is accessed

by the system.

This chip consists of a 64-byte memory. The upper five blocks (Blocks 0

to 4) of the memory are used as a system area having functions that do

not relate to user memory. OMRON offers special commands for

accessing this area in order to ensure the great ease of these functions by

the user.

Refer to 5-5 "System commands" for details. OMRON defines the

blocks below Block 5 as the user memory area. Block 5 is page 00, and the

subsequent blocks are allocated as shown below.

The memory is organized with four bytes as one page (4 bytes = 32

bits).

One page is the minimum unit that can be read from and written to the

memory.

The memory allocation described in these specifications is in

accordance with OMRON's memory allocation scheme.

1)Memory map of I.CODE1Chip

OMRON PHILIPS

(Page) byte 3 byte 2 byte 1 byte 0 (Block)

FB SNR (Tag-specific code) 0

FC SNR (Tag-specific code) 1

FD Write-protect 2

FE QUIET/EAS 3

FF Family code /application ID or user area 4

00 User area 5

01 6

02 7

03 8

04 9

05 10

06 11

07 12

08 13

09 14

0A 15

Page FF (Block 4)

Page FF (Block 4) can be used as user memory when Tag-discriminating access by Family Code (FC) or

Application ID (AI) is not performed. In this case, specify FF for the page to use it as user memory. The user

memory contains 12 pages.

User memory

12 page

(48 Byte)

User memory

11 page

(44 B

te)

2-4 Memory Map of Tag 2-4

2-15

2) System area of I.CODE2 chip

１）SNR (pages FB and FC)

SNR is a Tag-specific code and has been written into the memory

during the chip production process.

The IC is shipped with this page write-access inhibited (refer to page

FD); there is no way of making this page rewritable by the user.

２）Write-access conditions (page FD)

The pages are write-inhibited permanently if they are so indicated in

the memory map. The factory settings are as follow. If the two bits of a

particular page are 0,0, that page is write-protected.

Page FD MSB LSB

Byte 0 1 1 1 1 0 0 0 0

Page FE Page FD Page FC Page FB

Byte 1 1 1 1 1 1 1 1 1

Page 02 Page 01 Page 00 Page FF

Byte 2 1 1 1 1 1 1 1 1

Page 06 Page 05 Page 04 Page 03

Byte 3 1 1 1 1 1 1 1 1

Page 0A Page 09 Page 08 Page 07

３）QUIET/EAS (page FE)

QUIET mode :All the functions of a tag are suspended completely. Use

Reset Quiet Bit to resume these functions.

(q=0: QUIET mode is disabled; q=1: QUIET mode is enabled)

EAS mode : Inhibition/permission of EAS function

(e=0: EAS mode is disabled; e=1: EAS mode is enabled)

Page FE MSB LSB

Byte 0 × × × × q q e e

Byte 1 × × × × × × × ×

Byte 2 × × × × × × × ×

Byte 3 × × × × × × × ×

*The pages marked with "×" in the table above are reserved for future

use.

４）Family code/application ID (page FF)

Family code and application ID are special areas for enabling the user to

identify an IC that is suitable to a specific user application.

Block FF MSB LSB

Byte 0 Family code

Byte 1 Application ID

Byte 2 User area

Byte 3 User area

3-1

SECTION 3

Functions

3-1 Operating Mode.................................................................................................. 3-2

3-1-1 Chip Operating Mode..........................................................................................3-2

3-1-2 Online Mode／Offline Mode...............................................................................3-2

3-2 Communication Modes.......................................................................................3-3

3-2-1 Single Access .......................................................................................................3-3

3-2-2 FIFO Access.........................................................................................................3-3

3-2-3 Multiple Access....................................................................................................3-4

3-2-4 Selective Access...................................................................................................3-4

3-2-5 Fast Read Access: I.CODE1 Mode only .............................................................3-5

3-3 Memory Check Function: I.CODE1 Mode Only................................................ 3-6

3-3-1 Usage...................................................................................................................3-6

3-4 Lock Function.....................................................................................................3-7

3-5 Discriminating Access to Tag Function.............................................................3-8

3-6 External I/O Function........................................................................................ 3-9

3-6-1 External Input......................................................................................................3-9

3-6-2 External Output ...................................................................................................3-9

3-7 EAS Function..................................................................................................... 3-10

3-8 Duplicate Communication Protecting Function [Ver1.20 or higher]................ 3-11

3-1 Operating Mode 3-1

3-2

3-1-1 Chip Operating Mode

This Reader/Writer has two Chip-Operating Modes for different types of

Tags (and its IC Chips.) You have to set either of the Chip Operating

Modes in accordance with the Tag you choose. The functions or command

types/formats vary, depending on the Chip Operating Mode. The factory

default is ISO Mode (I.CODE 1 Mode for Ver1.10 and lower).

The mode is set by the Chip Operating Mode Switch Command (TY).

Operating Mode Operation

ISO Moed Processes the Tags with ISO/IEC15693 Standard

Chips (I.CODE SLI). I.CODE1-Mode specific

functions or commands are disabled.

I.CODE１ Mode Processes the Tags with I.CODE1 Chips.

ISO-Mode specific functions or commands are

disabled.

3-1-2 Online Mode /Offline Mode

The Reader/Writer operates in either Online Mode, in which commands

are given by the host, or in Offline Mode, in which the EAS function (refer

to SECTION 3-7) performs the configuration, when the host is

disconnected and the communication test between the antenna, the

Reader/Writer and the Tags.

The factory default is set to Offline mode. To change the mode to the

Online Mode, connect the host and execute the Stop Command (ST). To

always start the Reader/Writer in the Online Mode, the default mode is

disabled using the Offline Mode Setting Command (FL).

When the Reader/Writer is turned on in Online Mode, it remains in a

stand-by state, until commands from the host are received.

In the Offline Mode, the Reader/Writer starts detecting the EAS-enabled

Tags (the EAS function mounted on the Tags is not disabled) from the

moment it is turned on in this mode the COMM LED remains flashing. At

the entrance of an EAS-enabled Tag into the antenna communication

area, the external output turns ON for the specified time. The OUT1 LED

light indicates normal communication between the Reader/Writer and

the Tags .

To check the communication status in the Offline Mode, the EAS on the

Tags must be enabled in advance.

Note:

●If the type of Tags used and the chip operating mode setting do not match, the Reader/Writer will not

respond to the Tags. The No Tag Error （code: 72） results.

●Specifying the commands or functions unavailable in the specified Chip Operation Mode will result in

a Format Error (code: 14).

●The communication test in Offline Mode is performed with the EAS on the Tags enabled. The

communication by the EAS function takes longer compared to Read/Write operations performed by

other functions. The communication distance in the Online Mode should be checked using the actual

commands.

3-2 Communication Modes 3-2

3-3

This Reader/Writer has five communication modes to be selected by each

command corresponding to the number and/or state of Tags in the

communication area.

Each mode is activated by specifying the communication in the command

data.

3-2-1 Single Access Single Access is used to read data from or write data on the only Tag that

exists in the Antenna Communication Area. The execution timing can be

selected from Trigger, which executes immediately, Auto, which waits for

the Tag to enter the communication area and executes, or Repeat, which

repeats the execution for the Tag in the communication area.

Be sure to have only one Tag in the communication area. Multiple Tags in

the Antenna Communication Area prevents the antenna from

communicating normally.

：In the I.CODE1 Mode, the Tag is processed only once at the entry

into the communication area. It can be reprocessed once it is

outside the area again.

3-2-2 FIFO Access FIFO Access is used to read data from or write data on the Tags

sequentially in the same order they entered the antenna communication

area. (FIFO First In First Out).

The execution timing can be selected from Trigger, which executes

immediately, Auto, which waits for the Tags to enter the communication

area and executes, or Repeat, which continues to wait for the Tags to

enter the communication area.

Since every Tag finished with communications is set to access prohibit,

communications will be possible if only one Tag newly arrives in the

communication area of the Antenna where more than one Tag exists.

An error results, however, if two or more Tags arrive in the

communications area simultaneously. Once an access-prohibited Tag

leaves the communications area, access to the Tag is enabled again.

3-2 Communication Modes 3-2

3-4

3-2-3 Multiple Access Multiple Access is used to read data from or write data on the Multiple

Tags in the Antenna Communication area simultaneously.

Communications with Multiple Tags in the communications area is

available. (This function is also called 1:N Access or Multiple Tag

Simultaneous Access). The execution timing can be selected from Trigger,

which executes immediately, or Repeat, which continues to wait for the

Tags to enter the communication area.

In I.CODE1 Mode, specify the appropriate tag-number code in command

data according to the number of Tags that exist in the communication

area (refer to SECTION 5-2-5).

The Duplicate Communication Protecting Function is useful for unstable

Tags in the Antenna Communication Area (refer to SECTION 3-8 for

details).

3-2-4 Selective Access

Selective Access is used to read or write data on specified Tags among the

multiple Tags in the communication area.

In ISO Mode, communication with specific Tags is achieved by first

reading the Tag UIDs (unique codes) in Multiple Access Mode and then by

specifying them. It is recommended that the UID/SNR addition option of

the Command Processing Procedure Setting should be used. It is

especially convenient since data readouts and UID acquisitions are

performed by a single command.

In I.CODE1 Mode, the Tag Detection Command that assigns numbers to

the Tags in the communication area in Multi Access Mode is performed

first, and then the Tag Designation Command that specifies the assigned

numbers is performed to launch the communication with the specific

Tags.

3-2 Communication Modes 3-2

3-5

3-2-5 Fast Read Access: I.CODE1 Mode Only

The Fast Read Access speeds up the data readout in I.CODE1 Mode. The

execution timing can be selected from Trigger, which executes

immediately, Auto, which waits for the Tag to enter the communication

area and executes, or Repeat, which repeats the execution for the Tag in

the communication area.

The function operates the same way as in Single Access mode when the

Tag number code is set to 0; in other cases it is the same as in Multiple

Access Mode.

[When the Tag number code is set to 0 (Single Access Mode)]

By selecting the Trigger or Auto execution timing, the function executes

the same operation as that in normal single access mode but in a shorter

period of time.

When the Repeat execution timing is selected, the function continuously

returns data while the Tags are present in the communication area, this

is useful in confirming the communication area.

[When the Tag number code is set to those other than 0 (Multiple Access

Mode)]

The only execution timing available is Repeat, since the function employs

a simple version of the communication sequence, some Tag data may be

unreadable under the condition where the responses from the Tags collide

frequently. In addition, the function processes and responds to the same

Tags repeatedly while they are present in the communication area.

This function should be used when there is a low number of Tags in the

communication area. When there are a greater number of Tags, the

Multiple Access Mode should be used. The Duplicate Communication

Protecting Function is useful to avoid multiple responses returned to the

same Tag. (Refer to SECTION 3-8).

Note:

●For the I.CODE1 Communication Modes used under the conditions, where Multiple Tags exit in the Antenna

Communication Area (Multiple Access, Selective Access, or Fast Read Modes), the Tag Number Code must be

specified. The maximum number of Tags allowed in the communications area is set previously. (Refer to

SECTION 5-2-5 for details).

3-3 Memory Check Function I.CODE1 Mode Only 3-3

3-6

By adding a check code to the data in the Tag, you can detect data errors

due to the Tag memory (EEPROM) being overwritten, service life, and

unforeseen factors.

The check code uses the CRC code of the generating polynomial X16 + X12

+ X5 + 1.

A memory check is performed using the Memory Check Command (MC),

which writes the check code, and the Memory Calculation Command

(MK), which verifies the check code. In the check block defined using the

header page and the number of pages, the target calculation area is the

area except for the last page of the block, and the last page is the check

code area. The check code uses two bytes in the check code area.

When a check code write command is sent, the CRC code for the data in

the target calculation area is calculated, and written to the check code

area. When the data verification command is sent, the CRC code for the

data in the target calculation area is calculated, and compared with the

data in the check code area. If these match, the number 75 is returned in

the response code to show that the data is normal. If they do not match,

the number 76 is returned to show that there is a data error.

Example: Memory check is performed when check block header page is 00

and the number of check blocks is 0B.

・

3-3-1 Usage After writing the data, calculate and write the check code using the

Memory Check Command (MC), and before reading the data, verify the

check code using the Memory Calculation Command (MK). You can detect

data corruption in advance within the Tags that are not being accessed.

Write data

Write stage

Calculate check code

Verify check code

Read stage

Read data

： This Command is for I.CODE1 Mode Only. The command is not available in ISO mode:

Check code area

Check code

Calculation area

3-4 Lock Function 3-4

3-7

The Lock function protects data from being erased due to unintentional

overwriting on the fixed data in the Tags.

■ Lock setting in ISO mode For the lock setting in ISO mode, you can write-protect any given areas by

the page of Tag memory.

If you execute Write command on a write-protect page, a write processing

error (code:79) will occur. You can make the lock setting by executing the

Lock command (LK) that enables access to the lock setting area.

For the details, see 5-4-7 “Lock Setting: ISO Mode.”

■ Lock setting in I.CODE1 mode

There is a lock setting area in the system area of I.CODE1 chip, and you

can write-protect any given areas by page.

If you execute Write command on the write-protect page, the write

processing error (code:71) will occur.

The lock setting consists of 12 bits of data in total, giving one bit to each

page. Lock setting can be made by using the Lock command (LK).

For the details, see 5-5-9 “Lock Setting: I.CODE1 Mode.”

●Lock setting area of I.CODE1 chip: “FDh page”

Lock Setting Area

1 byte 1 byte

b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0

Page 10

Page 09

Page 08

Page 07

Page 06

Page 05

Page 04

Page 03

Page 02

Page 01

Page 00

Family

code,

application

QU IET

EAS

Write

Protect

SNR

Note:

●The write protection cannot be canceled by the V720-series lock function. Data can never be re-written into

write-protected pages; be careful in setting write protection.

●Be extremely careful when setting write protection in the system area.

●Tag-specific codes (UID on I.CODE SLI/SNR on I.CODE1) are write-protected when manufactured.

3-5 Discriminating Access to Tag Function 3-5

3-8

The ID codes set in the Tags are utilized in identifying the target chips in

the antenna’s application fields. Responses are returned only when the ID

code in the command from the antenna and the ID code on the Tag are

matched.

The factory default of the Reader/Writer ID codes are all set to 00h, which

means communications are available regardless of ID codes on the Tags.

■I.CODE1 mode

The I.CODE1 chip has two kinds of one-byte ID codes called the Family

Code and Application ID. The Tag ID code can be set/modified by the

Write Command (WT) with the Family Code/Application ID area (FF

page) specified.

The ID codes for the Reader/Writer can be set/modified by the

Reader/Writer Family Code Setting (FC)/Reader/Writer Application ID

Setting (AI) Command.

In I.CODE1 mode

Reader/Writer set value Tag set value

No. Family code Application ID

No Family code Application ID

(1) 00h 00h A 55h AAh

(2) 55h 00h B 55h 11h

(3) 55h AAh C 00h 00h

Reader/writer setting (1)

This setting enables communication with Tag A, B, and C, as both of

the family code and application ID are set to “00h.”

Reader/writer setting (2)

This setting enables communications with Tag A and B as their

family codes match. Communication with Tag C is not possible. This

identification code has nothing to do with identifying Tags as the

application ID is “00h.”

Reader/writer setting (3)

The communication with Tag “A” is possible as the family code and

application ID match. The communication with Tag B and C are not

possible.

■ISO Mode

Both the I.CODE SLI and ISO/IEC Chips have a one-byte ID code called

AFI (Address Family Identifier). To use this function, the AFI’s must be

set for the Reader/Writer and Tags, and the function must be enabled on

the Reader/Writer as well. The Tag ID codes are set/modified using the

System Write (SW) Command. The ID codes for the Reader/Writer are set

by the Reader/Writer AFI Enable/Disable Changeover (AE) Command or

the Reader/Writer AFI Value Setting (AF) Command.

In ISO mode

No. Reader/Writer AFI set value

No. Tag AFI set value

(1) 00h A 5Ah

(2) 0Ah B 0Ah

(3) 5Ah C 00h

Reader/writer setting (1)

This setting enables communication with Tag A, B, and C as AFI is

set to “00h.”

Reader/writer setting (2)

This setting enables communication with Tag A and B of which the

AFI’s 4 least significant bits “Ah” match. As the 4 most significant

bits are “0h,” the part of this identification code has nothing to do

with identifying a Tag.

Reader/writer setting (3)

The communication with Tag “A” is possible as AFI matches.

3-6 External I/O Function 3-6

3-9

The I/O connector has three external input ports and four external output

ports to which such devices as sensors or actuators are connected to build

a more efficient system.

The external output may be dedicated to the antenna control, depending

on the Reader/Writer settings.

3-6-1 External Input [Online Mode]

The status can be obtained by the I/O Control Command (CC). Sequenced

operations such as those for starting and terminating the communication

with Tags by external triggers are available.

[Offline Mode]

Not available. The I/O Control Command (CC) is rejected. To perform the

function, the mode must be switched to the Online Mode by the Stop

Command (ST).

3-6-2 External Output

[Online Mode]

The output status can be modified or read-out by the I/O Control

Command (CC.) Read-out data can be evaluated by the host and output

as a control signal for Lamps or sounds.

When the I/O Automatic Changeover Setting is enabled, the external

outputs 3 (OUT3) and 4 (OUT4) are dedicated to the antenna control and

thus unmodifiable. However, the output status can be read-out.

[Offline Mode]

The external output is dedicated to the control from the Reader/Writer in

this mode. Modification/Reading out of the output status by the I/O

Control Command (CC) is unavailable.

The external output 1 (OUT1) is turned ON for a specified period of time

(modifiable) when Tags with the uncanceled EAS is detected. The

external outputs 3 (OUT3) and 4 (OUT4) are dedicated to antenna control

when the I/O Automatic Changeover setting is enabled.

3-7 EAS Function 3-7

3-10

The Reader/Writer supports the EAS (Electronic Article Surveillance)

system applied for anti-theft and other devices. The Reader/Writer

identifies the unique data string returned by the EAS-bit enabled Tags

and detects the existence of the Tags in the communication area. Multiple

EAS-bit enabled Tags that exist simultaneously can also be detected. The

Reader/Writer stops detecting the Tags by disabling the EAS bit on the

Tags. This is useful in preventing unauthorized removal of properties or

giving caution.

The function operates in either Online Mode, where the function is

executed by the commands issued by the connected host, or Offline Mode

where the function is executed by the Reader/Writer alone.

[Offline Mode]

In the Offline Mode, the EAS-bit enabled (non-disabled) Tags are

continuously detected. When the EAS-bit enabled Tags enter the

Antenna Communication Area and their EAS-response concordance rate

exceeds the specified value (=EAS threshold), the external output 1

(OUT1) will turn ON for the specified time. The operation state is visibly

identified by the OUT1 LED light. The EAS threshold and external

output time are specified by the Offline Mode Setting (FL) Command.

●EAS threshold

The Tags return 256-bit fixed data. The concordance rate at which the

Tag is recognized as one with non-disabled EAS (EAS-bit disable

processing is not performed) is specified by a percentage. The smaller the

concordance rate, the more lax the criteria becomes. The initial threshold

is 75%.

●The ON-time of the external output 1 (OUT1)

The ON-time is specified according to the output time of the lamp or

buzzer. The initial output time is 500ms.

[Online Mode]

The EAS Check (EA) Command is executed from the host. (Refer to

SECTION 5-5-10). The EAS-response concordance rate is returned, which

is compared to the threshold in the host and evaluated for the existence of

the EAS-enabled Tags.

■EAS Setting for the Tag

The EAS on the Tag is enabled by a specific command that enables

EAS-bit. For the ISO/IEC chip (I.CODE SLI chip), it is done by the

System Write (SW) Command and for I.CODE1 chip, it is done by the

EAS Setting (ES) Command.

3-8 Duplicate Communication Protecting Function 3-8

3-11

The Duplicate Communication Protecting Function prevents the command that

processes multiple Tags serially from performing multiple Read/Write processing

for each Tag. This function controls the command so that it performs the

processing only once per Tag and returns a single response, even in situations

where a Tag is recognized more than once as shown below. The processing load is

reduced because the response receiving or duplication check by the host is

unnecessary. The communication performance speed is also improved since

unnecessary processing is eliminated in the following:

1. The situation where the Tag enters the Antenna Communication Area several

times due to its vibration, irregular operation, or stop on the boundary, or because

the Tag is in the antenna’s side lobe area.

2. The situation where the Tag is stopped in the boundary zone or enters the

Antenna Communication Area several times because of the moved antenna.

3. The situation where the Tag passes an antenna with a discontinuous

communication area such as the gate antenna.

The enabled function is activated when the commands using the following

communication modes are executed:

・FIFO Repeat Mode (FR)

・Multiple Trigger Mode (MT)

・Multiple Repeat Mode (MR, UR[I.CODE1 Only]*)

When the function is enabled, the unique number (UID/SNR) given to the

processed Tag is recorded in the table of the processed Tags after the command has

been executed. When a new Tag is detected and its UID/SNR is obtained, the

system refers to the table and processes the Tag only when the UID/SNR is not

found in the table. After the Tag has been processed normally, the system records

the UID/SNR in the table. The table is initialized at the start of command.

* As to UR, the page on which the processing is started must be FB, and the pages

must be 2 and more.

The function is set by the Duplicate Communication Protecting Function Setting

(MX) Command (disabled by factory default.) To enable the function, specify the

maximum number of UID/SNRs recorded in the table of the processed Tags. The

number of tables can be selected from 1, 4, 8, 16, 64, 128, or 256. Usually, the

closest number above the maximum number of Tags that can co-exist in the

communication area of the antenna being used is specified.

Example) When the maximum number of the co-existing Tags are 6: The number

of tables = 8

1: Tag０

2: Tag１

3: Tag２

4: Tag３

5: (Vacant)

6: (Vacant)

7: (Vacant)

8: (Vacant)

The table of the processed Tags:

In this case, Tag 0 is not processed for re-entry in the communication area. When

the Tag 4 enters the area it is processed and recorded in row 5: of the table.

4-1

SECTION 4

From Start-up to Operation

4-1 Operation of Reader/Writer .................................................................................4-2

4-1-1 Offline Mode.....................................................................................................4-2

4-1-2 Online Mode.....................................................................................................4-3

4-2 Trial Operation..................................................................................................... 4-4

4-3 Reader/Writer Setting.......................................................................................... 4-5

4-3-1 Host Communications Setting (COM Port Setting) ......................................4-5

4-3-2 Chip Operating Mode Setting.........................................................................4-6

4-3-3 Command Processing Procedure Setting.......................................................4-7

4-3-4 Antenna and Tag Communications Setting...................................................4-8

4-3-5 Offline Mode Setting........................................................................................4-9

4-3-6 Initialization of settings..................................................................................4-9

4-3-7 Fixing of Settings.............................................................................................4-9

4-4 Installation Environment ....................................................................................4-10

4-4-1 Installation.......................................................................................................4-10

4-5 Mounting Method................................................................................................. 4-11

4-5-1 Mounting Dimensional Drawing ....................................................................4-11

4-6 Wiring Method......................................................................................................4-12

4-6-1 Power Supply and Grounding Wires ..............................................................4-12

4-6-2 Host Communications Cabling.......................................................................4-13

4-6-2-1 RS-232C Interface Cabling..........................................................................4-13

4-6-2-2 RS-485 Interface Cabling............................................................................4-15

4-6-3 Assembly of Connector ....................................................................................4-18

4-6-3-1 Assembly of Host Communications Connector and I/O Connector ..........4-18

4-1 Operation of Reader/Writer 4-1

4-2

The V720-series RFID system has two operation modes: Offline Mode and Online Mode. The functions

and control methods by the host vary, depending on the Operation Mode. One of the two modes must be

selected at system setup.

4-1-1 Offline Mode

In the Offline Mode, the EAS-enabled Tags (the EAS function mounted on the Tags is not

disabled) are always detected (1). When the EAS-enabled Tags enter the antenna

communication area, the output results (OUT1) turns ON for the specified time (2). The control

from the host is unnecessary. The PCs used for setup are connected as needed when the

operating conditions must be specified. Some outputs are exclusively used for antenna control,

depending on the settings.

●Detecting Tags

In the state where the EAS-enabled Tags (the EAS function mounted on the Tags is not disabled), are

being detected, the COMM LED flashes in this state.

●Detection of the EAS-enabled Tags

In the state where the EAS-enabled Tags are present in the Antenna Communication Area. OUT1

turns ON for the specified time. OUT1 stays ON while the Tags are present in the area.

■LED/Output state in each operating status LED state Output

Item RUN COMM NORM ERROR OUT1

Detecting Tags (EAS) ○ ● ● OFF

Detection of the EAS-enabled Tags ○ ○ ● ON

○:ON, ●:OFF, :Flashing

If an error occurs to the value specified in the EEPROM at power-ON, the status enters the specified-value

error state. When this occurs, the factory default value is employed.

Note:

●The factory default is Offline Mode.

●To specify Offline Mode operations (Chip Operation Mode, EAS threshold, OUT1 output time, receiving antenna

settings, antenna control settings, I/O automatic changeover, etc.), the mode must be switched to Online Mode.

●To switch the Offline Mode to Online Mode, connect the host and execute the Stop Command (ST).

●To switch the operation mode at power-ON, disable the mode by the Offline Mode Setting Command (FL).

Reader/Writer Antenna Tag

During

setup with

Setup command (1)

Communication

Radio communication

between antenna and tag

(2) Results output

Antenna control output

Response

4-1 Operation of Reader/Writer 4-1

4-3

4-1-2 Online Mode

Communication with Tags (2) is performed according to the command (1) from the connected

host. The result is returned to the host as a response (3). The I/O can be read or controlled

using commands. The input can be used as a command execution trigger, and the output can be

used as a result-based control signal for peripherals. Some outputs are exclusively used for

antenna control, depending on the settings.

●Command Standby State

The Command Standby State is where the Reader/Writer is not processing but can accept any

command other than AK or NK, which are used for ACK/NACK control. When the Reader/Writer

accepts a command, it enters the command processing state.

●Command Processing State

When a command is accepted, other commands are ignored until the accepted command has been

processed. However, the Stop (ST) and Reset (XZ) Commands are always accepted. When a command

that performs continuous processing is executed, the processing state continues until completed or

stopped.

The COMM LED is lit (flashed) while communication with the Tags is in progress.

The Reader/Writer enters a special command processing state in the following situations, although it is

not actually communicating with the Tags. The COMM LED is not lit in these cases.

・After the commands have been executed in FIFO trigger or FIFO auto mode

FIFO continuation state where the antenna oscillates continuously: Only the FIFO access

commands are accepted.

・After the Tag Detection Command has been executed (I.CODE1 Mode only).）

Selective state where the simplified numbers of Tags are stored, only the Tag specification

commands are accepted.

●Normal/abnormal completion of command processes

The NORM LED is turned on when the command from the host has been completed normally, and

ERROR LED is turned on if the command has been completed abnormally, for a short period of time at

the returning of the response.

■LED/Output state in each operating status LED state Output

Operation state RUN COMM NORM ERROR OUT1

Command standby ○ ● ● ● (command)*1

Processing with Tags ○ ○ ● ● −

Normal completion of command processing ○ ●／○*2 ○ ● −

Abnormal completion of command processing ○ ●／○*2 ● ○ −

○: ON, ●:OFF, : Flashing , −: Unchanged

*1 Specified by I/O Control Command (CC.)

*2 Stays lit (flashed) when the communication with Tags is continued.

Reader/writer Antenna Tag

（1) Command

(2)

Communication

Radio communication

between antenna and tag.

Multipurpose

input

(3) Response

Host device (PC)

Multipurpose output

(antenna control output)

4-2 Trial Operation 4-2

4-4

■Checkpoints Check the following points before starting Trial Operation

No． Checkpoint Description Section-Item

１ Are the power supply

and I/O lines connected Wired properly?

Are the terminal screws properly tightened? SECTION 4-6

２ Antenna connection Is the Antenna connected properly? -

３ Connection to the host Are the RS-232C and RS485 connectors

connected properly? SECTION 4-6

４ Antenna and Tag layout Are the Antenna and Tag located properly? Refer to the Instruction Manual

for your antenna.

■ Procedure for Trial Operation

●Offline test Offline Mode is set by the Offline Mode Setting Command (FL). The default mode is

set for Offline Mode.

By setting the Test Mode, the communications between the Antenna and Tag can be

tested without connecting the host. You can exit the Offline Mode by connecting to

the host and sending a Stop Command (ST)

●Communication

test between the

Reader/Writer and

the host

By using Test Commands(TS), the communications between the Reader/Writer and

host can be tested. This test allows the checking of the cable connection and the

processing operation of communications before the trial operation of the whole

system. It is recommended that RS-232C be connected to COM2 where the

communication condition is fixed.

・Prepare a simple communications program on the host and transmit Test

Commands.

・If the communications line is normal, the Reader/Writer returns the data received.

●Trial

Operation of the

System

Check the operation on the real system using the setting commands under the

actual operating conditions defined by the system design. When using COM1, the

RS-232C cable connection must be modified.

:Conduct the test of the final installation positions of both the antenna and Tag after the lapse of standby

time (15 minutes). Standby time means the time that elapses after turning the power on to getting the

product ready for stable communications

Power ON

･Check the voltage and power source terminal connections.

･Check that the Reader/Writer RUN LED is lit.

Offline Test Check the communication between the antenna and Tags with the Host

disconnected.

Online Test using the

Host

Check the communication between the host and Reader/Writer using the test

command.

Trial Operation of the

System Check the total system operation using the commands.

Complete

4-3 Reader/Writer Setting 4-3

4-5

The Reader/Writer has been designed for the user to make all the settings

by issuing commands from the host. The user can use either the COM1 or

COM2 port to make settings. However, we recommend use of the COM2

port because its communications settings have been fixed at factory to

survive a power reset.

In order to fix the information set for the Reader/Writer to survive a

power reset, it is necessary for the user to execute the setting write

command (EW) (refer to 10) in 5-７-14 of Section 5). (This does not apply

to the communications settings for the COM2 port).

4-3-1 Host Communications Setting (COM Port Setting)

Make settings for host communications by using the communications port

setting command (CP)

Setting name

(command name) Port Default set

value Setting

range Description

COM1 38400 bps

Baud rate setting *1

(CP command) COM2 9600 bps

9600 bps

19200 bps

38400 bps

115200 bps

This command sets the baud rate for use in

communications with the host.

COM1 7bits

Data length setting *1

(CP command) COM2 7 bits

7 bits

8 bits This command sets the data length for use in

communications with the host.

COM1 Even

Parity bit setting *1

(CP command) COM2 Even

None

Odd

Even

This command sets the parity bit for use in

communications with the host.

COM1 2bits

Stop bit setting *1

(CP command) COM2 2 bits

1bit,

2 bits This command sets the stop bit for use in

communications with the host.

COM1 Enabled

BCC bit setting *1

(CP command) COM2 Enabled

Disabled

Enabled

This command sets whether the BCC for

command frames and response frames for

communications with the host will be enabled

or disabled. Using the BCC is referred to as

"BCC enabled."

COM1 No

ACK/NACK setting *1

(CP command) COM2 No

Yes

This command sets whether or not ACK/NACK

control is performed between the host and the

Reader/Writer. If this control is not performed,

it is referred to as "no ACK/NACK control."

COM1 0.5 sec.

Timeout setting *1

(CP command) COM2 0.5 sec.

0.5 sec.

5 sec.

This command sets the timeout period for

ACK/NACK control. This setting will be

meaningless unless this command

(ACK/NACK control) is set to ON.

：(*1) The communications settings for the COM2 port can also be

changed but will return to the Default set values on resetting the

power of the Reader/Writer.

4-3 Reader/Writer Setting 4-3

4-6

1) Communications type setting for COM1 port

Set whether COM1 will be used as RS-232C or RS-485

by using the communications type setting command (CT)

Setting name

(command name) Default set value Setting range

Communications

type setting *1

(CT command) RS-232C RS-232C

RS-485

2) Node No. setting If more than one Reader/Writer is connected to a single host, each

Reader/Writer needs an ID number so that the host can discriminate one

Reader/Writer from another. Such an ID number is called node number.

Each Reader/Writer must be assigned a unique node number. Each

command or response includes the node number of the Reader/Writer.

Communications will not be possible if the node number is wrong.

The setting can be saved by executing the setting write command.

Use the node number setting command (NM) to set a node number.

Setting name

(command name) Default set value Setting range

Node No. setting

(NM command) 00 00∼31

：Communications through COM2 are possible regardless of the node

number setting.

3) Terminal resistance setting This setting is necessary when COM1 is used as RS-485.

If more than one Reader/Writer is connected to a single host, terminal

resistance must be turned on for both the host and the Reader/Writer

connected to either end of the host in order to ensure stable operation.

The setting can be saved by executing the setting write command.

Use the terminal resistance setting command (TM) to set the terminal

resistance.

Setting name

(command name) Default set value Setting range

Terminal resistance

setting

(TM command) OFF ON/OFF

： For more information, refer to 4-6-2-2 RS-485 Interface Cabling.

4-3-2 Chip Operating Mode Setting

This Reader/Writer consists of 2 types of operating modes (hereinafter

called: Operating Mode) in accordance with a type of the Tag (an

incorporated IC chip). Both operating modes must be set in accordance

with the Tag you choose. Execute the Operating Mode Switch Setting

Command (TY)

Setting name

(command name) Default set value Setting

range Remarks

ISO

Mode

Conformed to the

ISO/IEC15693 standard

(I.CODE SLI Chip)

Operating Mode

Switch Setting

Command (TY)）

ISO Mode [1.20 - ]*

I.CODE1 Mode

[ - 1.10] I.CODE1

Mode I.CODE1 Chip

supported

4-3 Reader/Writer Setting 4-3

4-7

4-3-3 Command Processing Procedure Setting

1)UID/SNR Addition Setting For the Read command response in I.CODE1 Mode or the Read/Write

command response in ISO Mode, whether to add the UID/SNR (a serial

number which is a unique ID given to a Tag) must be selected. When

enabled, this command makes association of data contained in a Tag to

the serial number of that Tag considerably easier.

Make this setting by using the UID/SNR Addition Command (SN)

Setting name

(command name) Default set value Setting range

UID/ SNR addition

setting(SN command)）Disable (do not add) Enabled, Disabled

:Note Using Selective Access in ISO Mode when communicating with

specific Tags among the multiple Tags in the communication area is extremely

useful, because data reading and UID acquisition can be processed by a single

command.

2)Discriminating Access to Tag Setting

The discriminating access to the Tags is set using the AFI (ISO Mode) on

the Tags or the Family Code/Application ID (I.CODE1 Mode.) Refer to

SECTION 3-5 for the details of the function.

The settings are done using the specific setting command of each

operating-mode.

Operatin

g mode Setting name

(command name) Default set

value Setting range

Reader/Writer AFI

Enable/Disable

Changeover (AE

Command)

Disabled Enabled,

Disabled

ISO

Reader/Writer AFI Value

Setting (AF Command) 00 00∼FFh

Reader/Writer Family

Code Setting (FC

Command) 00 00∼FFh

I.CODE1 Reader/Writer

Application ID setting

(AI Command) 00 00∼FFh

3)Duplicate Communication Protecting Function

In executing the commands with the options that specify the serial

processing of multiple Tags (FR, MT, MR, and UR [I.CODE1 Mode]), the

function controls the condition so that the Tags with the same UID/SNR

are processed only once. This function is enabled by specifying the

maximum number for the table of the processed Tags. Refer to SECTION

3-8 for the details of the function. This function is specified by the

Duplicate Communication Protecting Function Setting Command (MX.)

Setting name

(command name) Default set value Setting range

Mask Setting (MX

Command) Disabled Enabled (The number of

tables: 1, 4, 8, 16, 32, 64,

128, 256), Disabled

4-3 Reader/Writer Setting 4-3

4-8

4-3-4 Antena and Tag Communications Setting

Set how communications should take place between the Reader/Writer

and a Tag.

1) Reader/Writer-Tag communications speed setting

Set the speed of communications between the Reader/Writer and a Tag

(baud rate from the Reader/Writer to a Tag). The baud rate from a Tag to

the Reader/Writer is fixed (26.5kbps).

This setting can be made by using the Tag Communications mode Setting

Command (CM).

Setting name

(command name) Default set value Setting range

Standard mode

Communications speed

setting(CM command) Fast mode

Fast mode

:The Fast mode, the factory default, is highly recommended

because it provides fast transmission speed for normal use. Its

communication distance, area, and other performance conditions

are same as those in Standard Mode.

2) Receiving antenna setting This is enabled when using the receiving antenna. The antenna is used

for some specific configurations such as those for the gate antennas. Set

the function according to the respective antenna operation guide. The

function must be disabled for the configurations where the antenna is not

used.

This can be done by using the Receiving Antenna Changeover Command

(AC). Setting name

(command name) Default set value Setting

range

Receiving antenna setting

(AC command) Disable (the receiving antenna will

not operate) Enabled,

Disabled

3) I/O Automatic Changeover setting

When the I/O Automatic Changeover Function is enabled, the antenna is

controlled by the I/O Automatic Changeover (OUT3 and OUT4) for

Multiple Repeat (MR) reading, Fast Read Repeat (UR) (I.CODE1 Mode

only), and EAS Check Command (EA) This function should only be

enabled for antennas requiring the I/O automatic changeover. The

function must be disabled for the configurations where the antenna is not

used.

The function is set by the I/O Automatic Changeover Setting Command

(CA) Setting name

(command name) Default set value Setting

range

I/O Automatic

Changeover Setting

Command (CA.)

Disabled（Not Automatic

Changeover setting） Enabled,

Disabled

: The Operation Manual describes what type of antennas

require the receiving antenna settings or I/O automatic

changeover settings. Follow the respective instructions in

setting these functions.

4-3 Reader/Writer Setting 4-3

4-9

4-3-5 Offline Mode Setting

Set whether the Reader/Writer will start in offline mode or online mode.

This setting can be made by using the offline mode setting command (FL)

Setting name

(command name) Default set value Setting

range

Offline Mode Setting

(FL command) Enable (offline mode) Enabled,

Disabled

EAS threshold 75%(4Bh)

25%(19h) 0-100％

(00h∼64h)

OUT1 output time 500 ms (05 h) 100ms-22.5 s

(01h∼FFh)

4-3-6 Initialization of settings

If necessary, you can return all the settings to their default set values.

Use the initialize settings command (IS) to return your settings to their

default set values

Setting name

(command name)

Initialize settings

(IS command)

4-3-7 Fixing of Settings

By fixing the settings that you have made using various setting

commands, you can write them into the EEPROM (nonvolatile memory)

so that they will survive a power reset of the Reader/Writer.

Use the EEPROM write command (EW) to fix your setting

Setting name

(command name)

EEPROM write

(EW command)

Precautions on setting modifications

●The execution of the setting commands only modifies the S-RAM (volatile memory) on the Reader/Writer. The

modifications are not reflected immediately; they are reflected only after the Reset Command (XZ) has been

executed.

●To apply the modified settings at the next startup, fix the settings and reset the power supply. If the settings are

not fixed, the modifications will be reset to the original status after the power supply reset. This does not apply to

the communication settings for COM2.

●If Reset Command (XZ) is executed without fixing the settings, the settings are reset to original status after the

power supply reset.

●The default mode is Offline mode. To change the settings, the mode must be switched to Online mode. Connect the

host and execute Stop Command (ST.)

4-4 Installation Environment 4-4

4-10

The V720S-BC5D4 Reader/Writer is a highly reliable control device

withstanding tough environments. In order to ensure the full, reliable

performance of the RFID system, however, observe the following.

4-4-1 Installation Do not install the Controller under the following conditions.

• The ambient temperature is not within a range between -10℃ and

50 ℃ or there are radical temperature changes resulting in

condensation.

• The humidity is not within a range between 35% and 85%.

• There is corrosive gas, flammable gas, dust, salt, or metal powder.

• The Reader/Writer is affected by direct vibration or shock.

• The Reader/Writer is exposed to direct sunlight.

• Oil, or chemical is sprayed onto the Controller.

• Do not install the Reader/Writer close to heaters, transformers, or

resistors that radiate excessive heat.

• If power lines or high-tension lines with large currents are located

close to the Reader/Writer, be sure to test the Reader/Writer

carefully and make sure that wires connected to the Reader/Writer

are not affected by the noise of power lines or high-tension lines.

Note

●Be sure to abide by the above before installing the Reader/Writer and carefully test the Reader/Writer.

●Be sure to wire antenna cables separately from other cables. For the antenna cable, be sure to use V720-A41

3.35M or V720-A41 10.33M that is specially designed for this product. Using any other cable may affect adversely

the communications performance, waterproof performance, etc.

● For wire power and I/O cables as well, wire them separately wherever possible in order to avoid malfunctions.

Caution

Ensure that a solid (Class D) grounding is established for the “GR” on the Reader/Writer power connector.

4-5 Mounting Method 4-5

4-11

The Reader/Writer must be mounted using a mounting plate. When

mounting, be sure to secure it onto the mounting plate with M6 screws,

spring washers and flat washers.

Do not apply organic solvent, e.g., screw lock solvent, to the screws to

secure the Reader/Writer. If you do, the Reader/Writer body and the

mounting plate may be damaged.

4-5-1 Mounting Dimensional Drawing

235.5±0.2

4-M6 or 4-φ6.5

102±0.2

4-6 Wiring Method 4-6

4-12

4-6-1 Power Supply and Grounding Wires

● Power cable Power side Reader/Writer side

Connector plug

Connected to Name Pin No．

24 VDC + 24 VDC 2

GR FG 3

0V GND 1

● Recommended Compact DC Power Supply (OMRON)

Model Output capacitance Input voltage

S82K-03024 24VDC at 1.3A 100/200V

Note

● Use 24 VDC to supply power to the Reader/Writer. When you use the recommended power supply, S82K-03024,

and a cable with a thickness of AWG16, the cable can be extended to 7 meters at maximum. If a longer power wire

is desirable, use a power supply with remote sensing function.

● The maximum power consumption of the Reader/Writer is 25 W. An inrush current of approximately 30 A at 24

VDC, however, flows when the Reader/Writer is turned ON. Take this into consideration when preparing the

power supply.

● Provide a power wire with a thickness of AWG16 in order to prevent the dropping of voltage. It is recommended

that twisted-pair wire be used for the power line. The thickness of AWG16 is the maximum wire diameter that

can be used with the power connector of the Reader/Writer.

● Use Class D grounding (previous Class 3 grounding) for the Reader/Writer for improved noise

resistance.

● Use the ferrite core enclosed to the Reader/ Writer for the 100VAC side of the recommended compact

DC power supply S82K-03024.

WARNING

● Be sure to connect to a power supply with a maximum power supply capacity of 24V 4.2A (100 W) or less.

In case a short-circuit failure should occur within the Reader/Writer, a burnout in the power cable may result.

Attach the ferrite core (accessory) for the cable to supply 100VAC.

DC power supply S82K-03024）

AC side DC side

How to attach ferrite core:

Open the ferrite core. Put the cable

inside and roll one time as shown in

the figure. Close the core in the

direction of the arrow and make

sure it locked. Set the core near the

DC power supply side.

4-6 Wiring Method 4-6

4-13

4-6-2 Host Communications Cabling

4-6-2-1 RS-232C Interface Cabling

V720-HS04

RS-232C cable

V720-A62

RUN

COMM

NORM

ERROR

AC100V

Power supply

S82K-03024

Power supply cable

V720-A51

Antenna cable

V720-A41

V720-HS04

RS-232C cable

V720-A62

RUN

COMM

NORM

ERROR

RUN

COMM

NORM

ERROR

AC100V

Power supply

S82K-03024

Power supply cable

V720-A51

Antenna cable

V720-A41

compu

＋

−

5 Shield wire

Reder/Write

(

COM1, COM2

)

Pin layout when cable connector on

Reader/Writer is viewed from engaging face

2 3

Caution

● The shield wire must always be grounded on the host side.

● Leave the pin for RS-485 unconnected.

● Cables must not be longer than 15 meters.

4-6 Wiring Method 4-6

4-14

1) Connection to a DOS/V Host with 9-pin Port

(Pin layout when cable connector is viewed from engaging face)

：Connect the shield wire to the connector cover on the PC side.

2) Connection to Host through NEC 98 or Compatible Computer, 25-pin Port

(Pin layout when cable connector is viewed from engaging face)

3) Connection to OMRON C200H PLC

(Pin layout when cable connector is viewed from engaging face)

リーダライタ

COM1、COM2 接続機器 98互換パソコン

ケーブルに付いたコネクタ

（シールド線）

25ピン、オス

3SG

2SD

1RD

4＋

5−

GR 7

SD 2

RD 3

RS 4

CS 5

113

14 25

123

Reader/Write

Connectin

Device

Connector of cable

COM1

COM2

NEC98 Compatible PC

25-

male

Shield wire

2 3

リーダライタ

C O M 1 、CO M 2 接続機器形 C200H-ASC02

ケーブルに付いたコネクタ

（シールド線）

9 ピン、オス

3 S G

2 S D

1 R D

4 ＋

5 −

GR 9

SD 2

RD 3

RS 4

CS 5

1 5

6 9

Reader/Writer Connecting Device

Connector of cable

COM1

COM2

C200H ASC02

male

Shield wire

1 5

リーダライタ接続機器 DOS/Vパソコン

ケーブルに付いたコネクタ

（シールド線）

9ピン、メス

3SG

2SD

1RD

4＋

5−

GR 5

SD 3

RD 2

RS 7

CS 8

123

Shield wire

Reader/Write

Connectin

Device

Connector of cable

COM1

COM2

DOS/V PC

female

4-6 Wiring Method 4-6

4-15

4-6-2-2 RS-485 Interface Cabling

Note

On the host side, send the following commands after confirming that the Reader/Writer responds normally.

Do not begin sending commands until the host is completely ready for transmission. Switch the host to receive

mode within 5 ms after completion of transmission of commands. If you fail to do this, the host may not be able to

communicate with the Reader/Writer.

上位機器

5ms

形V720-BC5D1

コマンドフレームコマンドフレーム

レスポンスフレーム

Host Command frame

720S-BC5D4A

Command frame

Response frame

V720-HS04

Setup

・Node NO. 00

・Terminating

resistor OFF

RS-485 connection

cable

RS-485

AC100V

V720-HS04

AC100V

V720-HS04

AC100V

DC24V

power supply DC24V

power supply

RS-485 connection cable

RS232C/485

converter

Antenna cable

V720-A41 Setup

・Node NO. 01

・Terminating

resistor OFF

Setup

・Node NO. 31

・Terminating

resistor ON

V720-HS04

Setup

・Node NO. 00

・Terminating

resistor OFF

RS-485 connection

cable

RS-485

AC100V

V720-HS04

AC100V

V720-HS04

AC100V

DC24V

power supply DC24V

power supply

RS-485 connection cable

RS232C/485

converter

Antenna cable

V720-A41 Setup

・Node NO. 01

・Terminating

resistor OFF

Setup

・Node NO. 31

・Terminating

resistor ON

4-6 Wiring Method 4-6

4-16

1) Example of wiring for 1-to-1 connection

Note

Be sure to turn on the terminal resistance on both the host and Reader/Writer sides.

2) Example of wiring for 1-to-N connection

Terminal resistance setting

When you connect more than one Reader/Writer, turn on the terminal resistance for the Reader/Writer that is

located farthest from the host and the terminal resistance for the host. The terminal resistance for all the other

Reader/Writers must be off.

＋

−

上位機器

COM1 V720-BC5D1

COM2

終端抵抗 2 2 0 Ω

あり終端抵抗220 Ω

あり

−

COM1

C0M2

COM1

COM2

Second

Reader/Writer

First Reader/Writer

Nth Reader/Writer

(max. 31)

Terminal

resistance 220Ω

V720S-BC5D4A

Terminal

Resistance 220

Terminal

resistance

220

V720S-BC5D4

V720S-BC5D4A

Terminal

resistance

220

Host

V720S-BC5D4A

Host

Terminal resistance

220Ω is on

Terminal resistance

220Ω is on

4-6 Wiring Method 4-6

4-17

■ Example of wiring between host and Reader/Writer

Host side Reader/Writer side

Connector plug

(accessory)

Connected to Name Pin number

RD １

SD ２

SG ３

+ + ４

- - ５

■ Example of cabling between Reader/Writers

Reader/Writer side (COM1) Reader/Writer side (COM2)

Connector plug (accessory) Connector plug (accessory)

Name Pin number Name Pin number

1 RD RD 1

2 SD SD 2

3 SG SG 3

4 + + 4

5 - - 5

Note

● Leave the pin for RS-232 unconnected.

● Be sure to use a twisted-pair wire for the signal line.

● Be sure to use a wire with a thickness of AWG20 for the signal line.

● When you use a shielded cable, be sure to ground on the host side.

● Make sure that the total cable length for 1-to-1 and 1-to-N connection is not longer than 300 m.

Note

When you connect more than one Reader/Writer, give special attention to communications timing

between Reader/Writers. To ensure proper timing, you will need to perform both theoretical calculation

of timing and verification of communications on real machines.

1) The Reader/Writers cannot operate simultaneously except through polling-related commands.

This means that, even when you connect more than one Reader/Writer, only one Reader/Writer

can communicate with the host at a time.

Multiple Reader/Writers can access the host only in a time-phased manner.

2) When you use an Auto command, the Reader/Writer will not return a response but continue to

wait if there are no Tags in the communications area. In this state, if you send a command to

another Reader/Writer, no command will be accepted until a response is returned. To avoid this,

you must abort the Auto command using the STOP command before sending any command.

3) Polling-related commands do not support any commands but Auto commands. These commands

are not available in Multiple Access Mode (which permits access to multiple Tags) to avoid

processing complexities.

2 3

Pin layout when cable connector on

Reader/Writer is viewed from engagingface

+ -

Port

Terminal No.

Polarity.

COM1 COM2

5 5

* Short circuits have been established within RS-485

between Pin 4 of COM1 and Pin 4 of COM 2 and

between Pin 5 of COM2 and Pin 5 of COM1.

4-6 Wiring Method 4-6

4-18

4-6-3 Assembly of Connector

4-6-3-1 Assembly of Host Communications Connector and I/O Connector

1) Disassemble the connector as follows:

(1) Loosen the set screw and remove the barrel from the end bell (by

turning it counterclockwise).

(2) Loosen the clamp screw, remove the clamp saddle from the end

bell.

2) Draw the cable through the disassembled parts in the order shown

below.

・ Make sure that the parts are in the correct order and orientation.

3) Strip a part of the sheath and insulator of each cable to be used

according to the measurements specified in the table below.

• Cable terminal treatment measurement table

Usage Connector name

Mesure-

ment A

(mm)

Mesure-

ment B

(mm)

Conductor

cross-sectio

nal area

(mm2)

Iron tip

temperatur

e(%)

Host communications/IO NJC-165 - PF, PM, AｄF 16 280

Power supply NJC-2010 - PF, PM, AｄF 18 3.2 0.5 350

4) Pre-solder the conductors complete with terminal treatment.

：

• Be careful not to pre-solder the cable cladding.

• When finished, the pre-soldered part should be smaller in diameter

than the contact hole and have no uneven portion on the entire surface.

Clamp nut Clam

saddle

End bell Coupling nut Barrel

Setscrew

Clamp nut Clam

saddle

End bell Coupling nut

Setscrew

Sheath Conductor

Wire

4-6 Wiring Method 4-6

4-19

5) Soldering

Soldering iron to use Conductor cross-sectional area (mm2)

30W 0.5

6) Reassemble the connector as follows.

(1) Put the coupling nut with directing its thread to the connecting

side over the barrel.

(2) Screw the end bell and torque it to the specified values.

(3) Tighten the setscrew to the specified torque value.

(4) Tighten the clump nut to the specified torques value and attach

the clamp saddle to the end bell.

• Tightening torque for screws Unit:N•m

End bell 1.0 - 1.5

Clamp nut 0.4 - 0.6

Set Screw 0.2 - 0.3

Connector models

Model name of connector plug for host communications: NJC-165-PM from Nanaboshi Electric Mfg. Co., Ltd.

Model name of I/O connector plug: NJC-2010-PM from Nanaboshi Electric Mfg. Co., Ltd.

Before use, be sure to check for the proper torques of the cable of your choice. OMRON does not offer any guarantee

for customer-made cables. Please inquire to the manufacturer for details of these connectors.

(1) Insert the pre-soldered wire into the solder pot of the contact.

(2) Heat the contact and the conductors with a soldering iron.

(3) Pour solder to fill the opening between the contact and the

conductors.

Clamp nut

Clamp saddle

End bellCoupling nut Barrel

Setscrew

Solde

Wire Contact

Iron tip

Conductor

5-1

SECTION 5

Control from Host

5-1 Control by Commands .............................................................................................5-3

5-1-1 Control by Commands ..........................................................................................5-3

5-1-2 Command-Response Flow ....................................................................................5-3

5-1-3 ACK/NACK Control..............................................................................................5-4

5-2 Control Procedures for Each Communication Mode ..............................................5-5

5-2-1 Single Access .........................................................................................................5-5

5-2-1-1 Single Trigger Mode ...................................................................................5-5

5-2-1-2 Single Auto Mode........................................................................................5-5

5-2-1-3 Single Repeat Mode: ISO Mode .................................................................5-6

5-2-1-4 Polling Auto Read .......................................................................................5-7

5-2-2 FIFO Access ..........................................................................................................5-8

5-2-2-1 FIFO Trigger Mode.....................................................................................5-8

5-2-2-2 FIFO Auto Mode .........................................................................................5-9

5-2-2-3 FIFO Repeat Mode ...................................................................................5-10

5-2-3 Multiple Access ...................................................................................................5-11

5-2-3-1 Multiple Trigger Mode .............................................................................5-11

5-2-3-2 Multiple Repeat Mode ..............................................................................5-13

5-2-4 Selective Access...................................................................................................5-14

5-2-4-1 ISO Mode...................................................................................................5-14

5-2-4-2 I.CODE1 Mode..........................................................................................5-16

5-2-5 Specifying a Tag Code: I.CODE1 Mode .............................................................5-18

5-3 Command-Response Format .................................................................................5-19

5-3-1 Command Frame Structure ...............................................................................5-19

5-3-2 Response Frame Structure.................................................................................5-19

5-3-3 Command Code List ...........................................................................................5-20

5-3-4 Communication Mode List .................................................................................5-21

5-3-5 Command-by-Command Communication Mode List .......................................5-23

5-3-6 Specifying a Data Code.......................................................................................5-24

5-3-7 Response Code List.............................................................................................5-25

5-3-7-1 ISO Mode...................................................................................................5-25

5-3-7-2 I.CODE1 Mode..........................................................................................5-26

5-3-8 Example BCC Calculation..................................................................................5-27

5-4 Communication Commands ..................................................................................5-28

5-4-1 Read (RD) ............................................................................................................5-28

5-4-2 Write (WT)...........................................................................................................5-29

5-4-3 Read (RD)-Tag Detection: I.CODE1 Mode only................................................5-31

5-4-4 Read (RD)-UID Select/Specified Tag .................................................................5-32

5-4-5 Write (WT)-UID Select/Specified Tag................................................................5-33

5-4-6 Read (RD)-Fast Read Access: I.CODE1 Mode only ..........................................5-34

5-4-7 Polling Single Auto Read (PR) ...........................................................................5-35

5-4-8 Polling Single Auto Write (PW) .........................................................................5-36

5-4-9 Polling Check (PC)..............................................................................................5-37

5-4-10 Polling End (PE)..................................................................................................5-38

5-4-11 Memory Check (MC): I.CODE1 Mode only .......................................................5-39

5-4-12 Memory Calculation (MK): I.CODE1 Mode only ..............................................5-39

5-5 System Command..................................................................................................5-40

5-5-1 System Read (SR): ISO Mode only.....................................................................5-40

5-5-2 System Write (SW): ISO Mode only...................................................................5-41

5-2

5-5-3 System Lock (SL): ISO Mode only..................................................................... 5-42

5-5-4 Read (RD)-SNR Read: I.CODE1 Mode only...................................................... 5-43

5-5-5 EAS Setting (ES): I.CODE1 Mode only ............................................................ 5-44

5-5-6 QuietBit Setting (QB): I.CODE1 Mode only..................................................... 5-44

5-5-7 Lock Setting (LK): ISO Mode............................................................................. 5-45

5-5-8 Lock Setting Read (LR): ISO Mode only ........................................................... 5-46

5-5-9 Lock Setting (LK): I.CODE1 Mode.................................................................... 5-47

5-5-10 EAS Check (EA).................................................................................................. 5-48

5-6 Reader/Writer Control Commands....................................................................... 5-49

5-6-1 Stop (ST) ............................................................................................................. 5-49

5-6-2 Reset (XZ)............................................................................................................ 5-49

5-6-3 ACK (AK) ............................................................................................................ 5-49

5-6-4 NACK (NK)......................................................................................................... 5-49

5-6-5 I/O Control Command (CC) ............................................................................... 5-50

5-6-6 Test (TS).............................................................................................................. 5-50

5-6-7 Version (VS)........................................................................................................ 5-51

5-7 Setting Command ................................................................................................. 5-52

5-7-1 Reader/Writer AFI Enable/Disable Changeover (AE): ISO Mode only........... 5-52

5-7-2 Reader/Writer AFI Value setting (AF): ISO Mode only................................... 5-52

5-7-3 Reader/Writer Family Code Setting (FC): I.CODE1 Mode.............................. 5-53

5-7-4 Reader/Writer Application ID Setting (AI): I.CODE1 Mode ........................... 5-53

5-7-5 UID/SNR Addition Setting (SN)........................................................................ 5-54

5-7-6 Node Number Setting (NN) ............................................................................... 5-55

5-7-7 Communications Port Setting (CP)................................................................... 5-56

5-7-8 Communications Type Setting (CT).................................................................. 5-58

5-7-9 Tag Communications Mode Setting (CM)......................................................... 5-58

5-7-10 Antenna Changeover (AC) ................................................................................. 5-59

5-7-11 Terminal Resistance Setting (TM) .................................................................... 5-59

5-7-12 Offline Mode Setting (FL) .................................................................................. 5-60

5-7-13 Set Value Initialization (IS)............................................................................... 5-61

5-7-14 Set Value Writing (EW) ..................................................................................... 5-61

5-7-15 Chip Operating Mode Switch (TY) .................................................................... 5-62

5-7-16 Duplicate Communication Protecting Function Setting (MX) [Ver1.20 and higher] .. 5-63

5-7-17 I/O Automatic Changeover Setting (CA) [Ver1.20 and higher]....................... 5-64

5-8 Other Commands .................................................................................................. 5-65

5-8-1 Command Undefined Response......................................................................... 5-65

5-9 Command Connection: I.CODE1 Mode only.............................................................. 5-67

5-1 Control by Commands 5-1

5-3

5-1-1 Control by Commands

The Reader/Writer operation is controlled by the commands from the connected host. The result of the

command execution is returned as a response.

In Online Mode, all the operations, such as Tag-data Reading/Writing, Tag-function setting, operating

condition setting, or Reader/Writer function control, are controlled by the commands.

In Offline Mode, the Reader/Writer functions controlled by the commands are restricted to those

controlled by Stop and Reset commands. The operating conditions for Offline Mode are set in Online Mode.

5-1-2 Command-Response Flow

In Online Mode, the host sends an instruction command and the Reader/Writer returns the result as a

response. The command-response flows vary, depending on the types of commands and specified

communications, as shown below.

1-to-1 Response

One response is returned per command for Single Trigger (ST), Single Auto (SA), FIFO Trigger (FT), FIFO

Auto (FA), UID Select (SL), or Tag Designation is specified for the command that performs the

communication with the Tag, or when a command that does not perform the communication with the Tag

is specified.

Host

Reader/Writer

Command

Response

Multiple Response

Multiple Responses are returned per command for Single Repeat (SR), FIFO Repeat (FR), Multiple

Trigger (MT), Multiple Repeat (MR), or Tag Detection (LT) is specified for the command that performs the

communication with the Tag.

Host

Reader/Writer Response

Command

Response Response Response

No response

When the Reader/Writer receives the Reset Command(XZ), it is reset without returning a response and

waits for the next command.

Host

Reader/Writer

Command

Reset

Reader/Writer Antenna Tag

Host device (PC)

Command

(

direction

)

(1)

Communication with ta

General input General output

Response

(

result

)

(2) Operation

condition setup

(3) Function control

（functions such as process

stop or output setup)

5-1 Control by Commands 5-1

5-4

5-1-3 ACK/NACK Control

When using ACK/NACK control, if the host does not receive a normal response, the Reader/Writer will

resend the response by either (1) when the host sends a NACK command to the Reader/Writer or (2) when

there is no response within a set period of time. Consequently, a response can be received without

communicating with a Tag again. The host checks that responses have been received normally using the

ACK/NACK commands, so response data can be communicated dependably.

■Using ACK/NACK Control

If the host receives a normal response, it sends an ACK command to the Reader/Writer. The

Reader/Writer judges that the host has received a normal response, and enters a command-waiting state.

If, after the Reader/Writer has sent the response, an ACK is not received normally within the time set

using the time out setting, or a NACK is received, the Retry Flag is set and the last response is sent again.

The maximum number of response retries that can be made is nine.

Host Receives a Normal Response and Sends ACK Command

Host

Reader/Writer Response

Command ACK

Host Cannot Receive a Normal Response and Sends a NACK Command

Error occurs

Host

Reader/Writer Response

Command NACK ACK

Retry

Response

Host Did Not Send an ACK/NACK Command within the Timeout Period

Host

Reader/Writer Response

Command ACK

Retry

Response

Timeout

5-2 Control Procedures for Each Communication 5-2

5-5

The operating sequences including the communication with the Tag or timing for returning the response

vary, depending on the communication mode. The communication mode is set by specifying the

communication mode in the command data. The access and mode specified as the communication settings

must be those specifiable for each Tag status in the specified antenna’s communication area or the

connection topology with the host. This section describes these access and mode settings.

5-2-1 Single Access

In single access, a single Tag can exist in the communications area. The presence of two or more Tags in

the communications area causes a communications error.

5-2-1-1 Single Trigger mode

Single Trigger mode is used when a single Tag is present in a resting condition in the antenna

communication area. If the Tag does not exist in the antenna communication area, No Tag

Error is returned.

Trigger command

(Host) (Reader/Writer) (Tag)

Yet to enter

Communications Tag

Tag

(Stationary)

Send a response

Command end

(1) Sends a commands if a Tag is in the R/

ntenna’s communication range.

(2) The Reader/Writer communicates

according to the command.

(3) On completion of communications, the

Reader/Writer returns a response to the

host.

5-2-1-2 Single Auto Mode

The Reader/Writer waits until the Tag has entered the antenna communication area and

executes the command it received from the host. When the Reader/Writer receives Auto

Command, it enters the busy state until the communication with the Tag has been completed,

during which it does not accept any commands other than Stop Command (ST) and Reset

Command (XZ).

Auto command

(Host) (Reader/Writer) (Tag)

Waits for a Tag to enter Yet to enter

Busy

Command end

Communications process Tag

Passes

Send a response

(1) The Reader/Writer receives

a command.

(2) It waits for a Tag to enter the

R/W Antenna’s communication

area.

(3) When a Tag enters the area,

it communicates with the Tag.

(4) On completion of communications,

it returns a response to the host.

Busy

Waits for a Tag to enter Yet to enter

5-2 Control Procedures for Each Communication 5-2

5-6

5-2-1-3 Single Repeat Mode: ISO Mode

The Reader/Writer waits for a Tag to enter the R/W Antenna’s communications area. Every

time a Tag enters the communications area, the Reader/Writer communicates with the Tag and

returns a response. It is not until communications are stopped by the Stop(ST) or Reset(XZ)

command that the Reader/Writer accepts the next command.

Operation in I.CODE1 mode

● Do not operate the function in I.CODE1 mode. If a function equivalent to ISO mode, i.e., a function that

always returns a response, is required for the area confirmation and other purposes, a single command (Tag

code = 0) by Fast Read Access should be used.

(If the function is executed in I.CODE1 mode, the Reader/Writer will perform the process only once at the Tag’s

entry to the communication area and return a response. Multiple Tags in the communication area may result in a

response with abnormal read data).

(Tag)(Reader/Writer)

Receives a response (Tag 1)

(Host)

Waits for a Tag to approach

(4) The Reader/Writer continues

communicating with the Tag while the

Tagisinthecommunicationarea,and

(1) The Reader/Writer receives a command.

Single Trigger Command

Tag detection

Response

Tag detection n

Response

Waits for a Tag to approach

(3) When a Tag approaches the Reader/Writer, it

with the Tag and returns a response.

(2) The Reader/Writer launches the

communication with a Tag, and waits for a

Tt h

Tag 1

Tag detection Tag 2

Receives a response (Tag 2)

Response

Waits for a Tag to approach

(5) After the Tag in the communication

area has been cleared, the Reader/Writer

(6) When the next Tag approaches the

communication area, the Reader/Writer

(7) The Reader/Writer repeats the

performance until the operation is

(1)The Reader/ Writer receives a command

(2)The Reader/Writer launchesthe

communication with a Tag, and waits for

a Tag to approach.

(3) When a Tag approaches the Reader/Writer,

it with the Tag and returns a response.

(4)The Reader/Writer continues communicating

with the Tag while the Tag is in the communication

area, and returns a response.

(5) After the Tag in the communication

area has been cleared, the Reader/Writer

waits for the next Tag to approach.

(6) When the next Tag approaches the

communication area, the Reader/Writer

once again communicates with the Tag

and returns a response.

(7) The Reader/Writer repeats the performance

until the operation is terminated by the Stop

Command (ST).

5-2 Control Procedures for Each Communication 5-2

5-7

5-2-1-4 Polling Auto Read

If an Auto command is used when a single host controls more than one Reader/Writer, the

communications path between the host and one of the Reader/Writers to which the command is

sent becomes busy, disabling the host to control other Reader/Writers. On the other hand,

when a Polling Auto command is sent instead, the Reader/Writer returns a response according

to the request from the host. The communications line with the host will not remain busy,

allowing the host to send a command to other Reader/Writers. When Polling Auto command is

executing, the only commands accepted and executed are Polling Check (PC), Polling End (PE),

Reset Command (XZ), and Stop Command (ST). An example of Polling Auto Command

executed for two Reader/Writer devices are shown below.

(1) The host sends the Polling Auto

Command to the Node 1

Reader/Writer.

(2) Immediately after command reception,

Node 1 returns a response indicating

the acceptance of the command.

(3) The host sends the Polling Auto

Command to Node 2.

(4) Immediately after command reception,

Node 2 returns a response indicating

acceptance of the command.

(5) The host inquires after the progress of

the communications processing or

stops the Polling Auto processing

using the Polling sub command. When

the communications processing is not

yet complete, the Reader/Writer

returns a response indicating

unfinished processing in reply to the

inquiry of the Polling sub command.

(6) The Node 1 communicates with a Tag

entering the communications area.

(7) Node 1 returns a response indicating

the results of communications with the

Tag in reply to the Polling

subcommand.

(Tag) (Reader/Writer) (Host)

Response

Polling Auto

Command

Node 1

Response Yet to enter

Node 2

Response

Polling

subcommand

pass

Node 1

Yet to enter.

Passing in front of Node

1’s antenna

Referring to Node 1

Response Yet to enter

Node 2

Yet to enter

Referring to Node 2

Response Ta

(

)

Response

Communications

processing by Node 1 is

complete.

Referring to Node 1

Polling Auto

Command

Polling

subcommand

Polling

subcommand

5-2 Control Procedures for Each Communication 5-2

5-8

5-2-2 FIFO Access

In FIFO (first-in, first-out) access, communications with Tags entering the communications area one after

another are carried out in sequence. Once communications with Tags are completed, access to them is

prohibited. Consequently, even if Tags with which communications are already completed exist in the

communications area, a newly entering Tag can be accessed. Simultaneous entering of two or more Tags

causes a communications error. Once an access-prohibited Tag leaves the communications area, access to

the Tag is enabled again.

5-2-2-1 FIFO Trigger Mode

FIFO Trigger Mode is used for communications when the Tag is present in a resting condition

in the antenna communication area. The Reader/Writer prohibits access to the Tag after the

communication has been completed, and keeps the antenna oscillated to maintain the FIFO

access. Under such conditions, the Reader/Writer can issue another FIFO command and

communicate with the next Tag that enteres the communication area, where the previous Tag

with which the communication has been completed is still present. (The commands other than

FIFO Access are rejected).

When there are no accessible Tags in the antenna communication area, the No Tag Error is

returned.To exit the FIFO state, execute Stop Command (ST).

Trigger command

(Host) (Reader/Writer) (Tag)

Yet to enter

Communications Tag

Tag

(Stationary)

Send a response

Command end

(1) Sends a commands if a Tag is in the R/

ntenna’s communication range.

(2) The Reader/Writer communicates

according to the command.

(3) On completion of communications, the

Reader/Writer returns a response to the

host.

Note:

Before entering Trigger mode, make sure the Tag is in a resting condition in the antenna communication area.

FIFO 継続状態

(Host) (Reader/Writer)

FIFO access is maintained.

(3). After the communication has been

completed, the Reader/Writer returns a

response to the host. FIFO access is

maintained.

5-2 Control Procedures for Each Communication 5-2

5-9

5-2-2-2 FIFO Auto Mode

The Reader/Writer waits until the Tag has entered the antenna communication area and

executes the command it received from the host. The Reader/Writer prohibits access to the Tag

after the communication has been completed, and keeps the antenna oscillated to maintain the

FIFO access. Under such conditions, the Reader/Writer can issue another FIFO command and

communicate with the next Tag that entered the communication area where the previous Tag

with which the communication has been completed is still present. (The commands other than

FIFO Access are rejected).

When the Reader/Writer receives Auto Command, it enters the busy state until the

communication with the Tag has been completed, during which it does not accept any

commands other than Stop Command (ST) and Reset Command (XZ). To exit the FIFO state,

execute Stop Command (ST).

オートコマンド

タグ接近待ち

交信処理

レスポンス

（上位機器）（リーダライタ）（タグ）

未接近

タグ

ビジー状態

コマンド終了

未接近

通過

①リーダライタがコマンドを受信します。

②R/W アンテナの交信領域内にタグが入る

のを待ちます。

③タグが R/W アンテナの交信領域内に入る

とリーダライタはタグと交信を行います。

④交信が終了した後、リーダライタは上位機

器にレスポンスを返します。

Note:

Note, that in Auto mode, the communication path between the Reader/Writer and the host are busy until the Tag

is close to the area; the host cannot send the next command under such conditions.

FIFO 継続状態

FIFO access is maintained.

(1)The Reader/Writer receives a

command.

(2)The Reader/Writer waits for a Tag

to enter the Reader/Writer antenna

communication area.

(3)When the Tag enters the

Reader/Writer antenna communication

area, the Reader/Writer communicates

with the Tag.

(4)After the communication has been

completed, the Reader/Writer returns a

response to the host. FIFO access is

maintained.

(Host) (Reader/Writer) (Tag)

Waits for a Tag to approach

Busy

Communication process

Response Passes

Yet to

approach

Yet to

approach

Auto Command

Command ends.

Tag

5-2 Control Procedures for Each Communication 5-2

5-10

5-2-2-3 FIFO Repeat Mode

The Reader/Writer waits until the Tag has entered the antenna communication area and starts

communicating. It communicates with the Tags serially as they enter the antenna

communication area, and returns the responses. When the communication has been completed,

the Reader/Writer makes the Tag inaccessible, so that it can communicate with the next Tag

that entered the area although the Tags with which the Reader/Writer has completed the

communication are still present in the same area.

This state continues until the communication has been terminated by Stop Command (ST), or

Reset Command (XZ), and other commands are rejected.

タグ接近待ち

交信処理

レスポンス

タグ接近待ち

レスポンス受信

リピートコマンド

ビジー状態

未接近

（上位機器）（リーダライタ）（タグ）

①R/W アンテナの交信領域内にタグが入る

のを待ちます。

②タグが R/W アンテナの交信領域内に入る

とリーダライタはタグと交信を行います。

③交信が終了するとレスポンスを返信しま

す。

その後、再度 R/W アンテナの交信領域内

にタグが入るのを待ちます。

④再度タグが R/W アンテナの交信領域内に

入ると交信を行います。

交信処理タグ（1）

タグ（2）

ビジー状態

レスポンス

未接近

通過

未接近

通過

未接近

レスポンス受信

When the Tag is on the boundary of the communication area or enters the communication area

more than once because of swing, the Tag may be processed more than once, or some Tags may

not be processed.

In this case, enable the Duplicate Communication Protecting Function (Table number = 1). The

function will prevent the Reader/Writer from communicating with the Tags already

communicated with, and allows proper and sequential Tag processing.［Software Ver 1.20 and

higher only］

Note

To send another command from Repeat Mode, be sure to use either the stop command or reset command, and

make sure that the Reader/Writer has finished processing commands and is in command waiting status before

sending the new command.

Waits for a Tag to approach

Communication process

Response

Receives a response

Waits for a Tag to approach

Repeat Command

Busy

Receives a response

Busy

Waits for a Tag to approach

Communication process

Response

(Host) (Reader/Writer) (Tag)

(1) Waits for a Tag to enter the

Reader/Writer antenna

communication area.

(2)When a Tag enters the Reader/Writer

antenna communication area, the

Reader/Writer communicates with the Tag.

(3)When the communication has been completed,

the Reader/Writer returns a response.

Then it waits for the next Tag to enter the

Reader/Writer antenna communication area.

(4) When the next Tag enters the

Reader/Writer antenna

communication area, the

Reader/Writer communicates with

the Tag.

(

)

(

)

Passes

Yet to

approach

Yet to

approach

Yet to

approach

Yet to

approach

5-2 Control Procedures for Each Communication 5-2

5-11

5-2-3 Multiple Access

In Multiple Access, the Reader/Writer can communicate with all of the multiple Tags present

in the antenna communication area. In I.CODE1 Mode, the Tag code corresponding to the

number of Tags present in the communication area must be specified. For the Tag number

specifications, refer to SECTION 5-2-5.

When the Tag is on the boundary of the communication area or enters the communication area

more than once because of swing, the normal operation may be interrupted because the Tags

are processed more than once. In this case, it is recommended that UID/SNR addition setting

be enabled to evaluate the Tags on the host side. In addition, one processing per Tag is

available by enabling the Duplicate Communication Protecting Function. For Duplicate

Communication Protecting Function,, refer to SECTION 3-8.

5-2-3-1 Multiple Trigger Mode

Read Command (RD)

Write Command (WT) with UID/SNR addition setting enabled (Excluding I.CODE1 Mode).

At the reception of the command, the Reader/Writer communicates with all the Tags in the

communication area and returns communication results with each Tag, as responses. After

communicating with all the Tags, it returns Detection End Response (Response Code: 72). When no Tag is

present in the communication area, it returns to Detection End Response (Response Code: 72).

In I.CODE1 Mode, when the Reader/Writer could not communicate with all of the detected tags or when it

detected non-processable Tags during the processing sequence, it returns a warning code (Code: 0□) as

Response Code. (Refer to SECTION 5-3-7-2).

（タグ）（リーダライタ）

レスポンス受信

（上位機器）

タグ接近待ち

④タグがＲ／Ｗアンテナの交信領域内にあるとコント

ローラはタグと交信を行います。

①リーダライタがコマンドを受信します。

マルチリードコマンド

（UID 付加設定）

レスポンス(UID1）

タグ(UID1)

タグ検出

レスポンス(UID2)

タグ(UID2)

タグ検出

レスポンス(UID3)

タグ(UID3)

終了レスポンス７２ ⑤信領域内の全てのタグとの交信が終了した時点

で、終了レスポンスを返します。

③ レスポンスに UID を付加してレスポンスを返します。

② リーダライタはタグとの交信処理を行います。

(Host) (Reader/Writer) (Tag)

Waits for a Ta

to a

roach

Receives a res

onse

Receives a res

onse

Receives a res

onse

Receives a res

onse

(

UID1

)

(

UID2

)

(

UID3

)

Response (UID1)

Response (UID2)

Response (UID3)

Detection

Detection End Response 72. (5)After communicating with all the Tags

in the communication area, the

Reader/Writer returns Detection End

Response.

(3)Adds UID to the response and

returns the response.

(2)The Reader/Writer communicates

with the Tag.

(1)The Reader/Writer receives a

command.

(4)When a Tag is present in the

Reader/Writer antenna communication

area, the Reader/Writer communicates

with the Ta

Multi-Read Command

（UID addition setting）

5-2 Control Procedures for Each Communication 5-2

5-12

In Write Command (WT) with UID/SNR addition setting disabled (in I.CODE1 Mode, the command with

UID/SNR addition setting eabled is also covered),

the Reader/Writer communicates with all the Tags in the communication area on receiving the command,

and returns the results of the communications with each tag as a response. At the completion of

communicating with all the Tags, it returns Detection End Response (Response Code: 00) once.

The number of Tags with which the communication has been normally completed is added to Detection

End Response. When no Tag is present in the communication area, it returns Detection End Response

(Response Code: 72).

マルチ・トリガ・コマンド（WT）

（上位機器）（リーダライタ）（タグ）

交信処理タグ（0）

交信処理タグ（1）

全てのタグの書き込みが終了

レスポンス

In ISO Mode, if the communication with the detected Tag failed, the Reader/Writer returns an error

response immediately and moves on to process another Tag. At the completion of communicating with all

the detected Tags, it returns the Detection End Response and terminates the command processing.

In I.CODE1 Mode, the Response Code is set to 00 only after the communications with all the detected Tags

have been completed successfully. When the number of Tags detected exceeds the number specified by the

Tag code in command data, the Response Code is replaced with a warning code (Code: 0□), (Refer to

SECTION 5-3-7).

If data writing process in even one Tag has failed, the Reader/Writer returns to Write Process Error

(Response code: 71), and terminates the command processing.

Note:

In processing Multi-Trigger Command, some Tags may not be processed due to their conditions (including the

distances between the antenna and Tag, or those between the Tag and another Tag). The operating system must

be configured to check the number of processed Tags based on the number of returned responses or normally

processed Tags, and match them against the actual number of the Tags.

(Host) (Reader/Writer) (Tag)

Multi-Trigger Command (WT)

Communication process

ll the Tags have been written

Response

Tag(0)

Tag(1)

5-2 Control Procedures for Each Communication 5-2

5-13

5-2-3-2 Multiple Repeat Mode

Read Command (RD)

Write Command (WT) with UID/SNR addition setting enabled (Excluding I.CODE1 Mode).

The Reader/Writer continues to return a response every time it has communicated with a Tag in the

communication area. This operation continues until the Stop Command (ST) or Reset Command (XZ) has

been executed. Other commands are rejected in this state.

Write Command (WT) with UID/SNR addition setting disabled (In I.CODE1 Mode, the command with

UID/SNR addition setting enabled is also covered).

In this case, do not execute the commands in Multiple Repeat Mode. Basically, the operation in Multiple

Trigger Mode is performed repeatedly.

However, the operation may become highly complicated, depending on the Tag status.

（タグ）（リーダライタ）

レスポンス受信

（上位機器）

タグ接近待ち

④タグがＲ／Ｗアンテナの交信領域内にあるとコント

ローラはタグと交信を行います。

①リーダライタがコマンドを受信します。

マルチリードコマンド

（UID 付加設定）

レスポンス(UID1）

タグ(UID1)

タグ検出

レスポンス(UID2)

タグ(UID2)

タグ検出

レスポンス(UID3)

タグ(UID3)

⑤ストップコマンド(ST)でコマンド動作を停止するま

で、タグ検出を継続します。

③ レスポンスに UID を付加してレスポンスを返します。

② リーダライタはタグとの交信処理を行います。

タグ検出

(Host) (Reader/Writer) (Tag)

Multi-Read Command

（UID addition setting）

Waits for a Ta

to a

roach

Receives a res

onse

Receives a res

onse

Receives a res

onse

Response (UID1)

Response (UID2)

Response (UID3)

Tag Detection

(

UID3

)

(

UID2

)

Tag (UID1)

(1)The Reader/Writer receives a

command.

(2)The Reader/Writer communicates

with the Tag.

(3)Adds UID to the response and

returns the response.

(4)The Reader/Writer communicates with

a Tag when the Tag is in the Reader/Writer

antenna communication area.

5. The Reader/Writer keeps on detecting

the Tags until the command has been

terminated by Stop Command (ST).

5-2 Control Procedures for Each Communication 5-2

5-14

5-2-4 Selective Access

Selective Access is a function to communicate with the specified Tags among multiple Tags in

the antenna communication area. The processes vary depending on the Reader/Writer’s mode.

5-2-4-1 ISO Mode

First, the Reader/Writer reads out the UID of the Tag in the communication area using Read

Command (in multiple processing modes). The UID is readable when UID/SNR addition

setting option is enabled in advance using the respective command (SN). When the UID is

already identified, the execution of Read Command can be skipped. Then, the Reader/Writer

communicates with the specified Tag based on the obtained UID.

(1) The Reader/Writer reads the UID of the Tag using Read Command.

It reads out UID data of the Tag by executing a Multiple Trigger Mode command with its

UID/SNR addition setting enabled.

(2) The Reader/Writer communicates with the specified Tag (No. 2 in the figure below) by

specifying the UID obtained in 1 using UID Select Read/Write command.

The ReaderWriter communicates with the Tag specified by the UID. For UID Select

Command, specify SL for the communication, and specify the UID of the communication

target Tag in the UID area in hex number, 123.

Note:

Some Tags detected by UID read (Tag detection) may not be communicated with Selective Access mode using UID

Select (Tag designation) command, depending on the Tag conditions (the distances between the antenna and tag,

or those between the Tag and another Tag). This is especially true when the Tag exists in the boundary area of

the communication area. The operating system must be configured to check the number of detected Tags against

the number of Tags the Reader/Writer communicated with (or the number of the actual Tags).

5-2 Control Procedures for Each Communication 5-2

5-15

■Selective Access Operation: In ISO Mode

■Exceptions

(1) When the Tag with the UID specified by UID Select Command does not exist in the communication area,

the Reader/Writer returns No Tag error (Response Code:72) to the host.

(Tag) (Reader/Writer)

Receives a response

(Host)

Waits for a Tag

(7) The controller performs the

communication processing with the

(6) Controller receives UID Additional

Command of the Tag to communicate

with.

(4) When a Tag is in the communications

area of the Reader/Writer Antenna, the

Reader/Writer communicates with the

(1) The Reader/Write receives a command.

Multi-Read Command

(UID Additional Setting)

A response (UID1)

Tag (UID1)

Tag detection

A response (UID2)

Tag (UID2)

Tag detection

A response (UID3)

Tag (UID3)

End Response “72”

Communications process

Specifies Tag (UID2)

Response of the Tag (UID2)

Tag (UDI2)

(5) Returns an end response when the

controller completes to communicate

with all Tags in the communications area.

(3) The Reader/Writer returns a response with

UID.

(2) The Reader/Writer communicates with the

Tag.

The Reader/Writer communicates with the

Tag when it is in the Reader/Writer antenna

communication area.

After the Reader/Writer has communicated

with all the Tags in the communication area,

it returns the Detection End Response.

The Reader/Writer receives UID Select

Command with the UID of the

communication target Tag added.

The communication with the Tag with the

specified UID is processed.

5-2 Control Procedures for Each Communication 5-2

5-16

5-2-4-2 I.CODE1Moed

After allocating the Temporary numbers to the Tags in the communication area using Tag

Detection Command, the Reader/Writer communicates with the Tags based on the allocated

numbers. The Tag code must be specified as command data according to the numbers of the

Tags present in the communication area. For Tag number specifications, refer to SECTION 5-

2-5.

1. Numbers are allocated to the Tags by Tag Detection Command.

Tag Detection Command, the state enters the Select State, where the mapping of the

Tags in the antenna communication area and their Temporary numbers are stored. In

Select State, all the commands are rejected except the Tag Designation Command. The

Select State is valid until Stop Command (ST) has been executed.

2. After allocating the numbers to the Tags, the Reader/Writer communicates with the

specified Tag (No.2 in the figure below) using Tag Designation Command.

The ReaderWriter communicates with the Tag specified by the Temporary number. It can

communicate with the Tags repeatedly in the Select State.

Tag Detection Command/Tag Designation Command

For Tag Detection Command, specify LT as the communication method of the command. For Tag Designation

Command, specify 00 to 7F as the communication method of the command. (To specify the Tag with Temporary

number 1, specify 01).

5-2 Control Procedures for Each Communication 5-2

5-17

■Selective Access Operation: In I.CODE1 Mode

■Exception（In I.CODE1 Mode）

1) When the Tags with the temporary numbers selected by the Tag Selection Command are not present,

the Reader/Writer returns a communications error (Response Code:72) to the host.

2) When the Tag Selection Command selects temporary numbers other than those stored by the

Reader/Writer by the Tag Detection Command, the Reader/Writer returns a format error (Response

Code:14) to the host.

3) The Reader/Writer cannot communicate with the tag which a Temporary number is assigned by the host,

once the Tag goes out of communication area while the Reader/Writer selecting the tag to be read,

even if the Tag exists in the communication area, Then the Reader/Writer sends back to "No Tag error

command (Response Code72)"to the host.

Tag Detection Command (RD)

(Host) (Reader/Writer) (Tag)

Communications process Tag (0)

Holds a response

Receives a response

Communications process Tag (1)

Detection End Response “72”

Specifies a Tag (2)

Communications process Tag (2)

Response from Tag (2)

Stop command

emoves

e s

ore

emporary

numbers

Holds a response

A response which is held

Returns (with Temporary No.)

Receives a response

(1) Reader/Writer receives a command

(2) The Reader/Writer communicates with the Tag;

it Adds a temporary number to the response and

stores it within the Reader/Writer.

(3) On completion of communications with all of the Tags

existing in the R/W communications area.

It Returns in sequence the responses containing

temporary numbers

(4) On completion of responding to all of the Tags, it

returns the Detection End Response (72).

(5) The Reader/Writer

receives a Tag Selection

Command containing the

temporary number

corres

ondin

to the Ta

(6) The Reader/Writer

communications with the

with the s

ecified

(7) On receiving the Stop Command, the

Reader/Writer removes the stored temporary

numbers.

5-3 Command-Response Format 5-3

5-18

5-2-5 Specifying a Tag Code: I.CODE1 Mode

The timeslot setting is the setting in the command frame when communicating with multiple Tags

simultaneously using Multi-system commands. This setting must be set according to the number of Tags

with which to communicate simultaneously. Refer to the table below for the relationship between the

number of Tags and this setting.

Specifying a Tag

Code

Max. No. of Tags with which simultaneous

communication is possible

1 ∼2

2 ∼4

3 ∼8

4 ∼16

5 ∼32

6 ∼64

7 ∼128

Example: If the number of Tags is seven, select Tag Number setting 3.

Note:

● For the Multi Trigger(MT) and the Multi Read(MR), if more Tags than have been set using the timeslot setting

enter the communications range, a "70" error (warning) may occur. (e.g., When the timeslot setting is "2" and

there are five Tags in the communications area.)

●For the Special Read (refer to 5-2-1-6) command, the anti-collision process is not performed. Therefore, read

data will be returned even If there are more Tags than the timeslot setting in the communications area.If a

collision occurs, such data will not be returned.

● The higher the timeslot setting is, the longer the communications time is required. Consequently, setting a

higher timeslot setting than required for the number of Tags in use unnecessarily lengthens communications

time, so select a suitable setting.

5-3 Command-Response Format 5-3

5-19

5-3-1 Command Frame Structure

The Reader/Writer continuously receives signals from STX through ETX, and executes the command

when the correct node number is received (*1). If, after receiving an STX signal, another STX signal is

received before an ETX signal is received, the second STX signal is given command priority.

Node No. Command Code Option BCC

STX "" "" ETX

1 2 2 1 1

Name Description

STX Indicates the beginning of a communication frame (text). Expressed by

ASCII code 02h.

Node No. Indicates the Reader/Writer to communicate with by its node No. This

number can be set within the range between 00 and 31 decimal.(*1)

Command Code

Indicates the command that the Reader/Writer executes. For the

command codes that are available, refer to Command Code List in 5-3-

Option Makes specified optional settings or specifies read/write data. For

details, refer to the format of the appropriate command.

ETX Indicates the end of a communication frame (text) Expressed by ASCII

code 03h.

BCC

Stands for Block Check Character (hereinafter referred to as "BCC").

The result of the horizontal parity calculation from immediately after

STX through ETX is expressed using one character. You can enable or

disable the BCC command using the communications port setting

command.For BCC calculation method, refer to 5-3-8 Example BCC

Calculation.

：COM2 is a port for setup and can communicate without depending on a node No.

5-3-2 Response Frame Structure

Node No. Retry Flag Command Code Response code Text data BCC

STX "" "" "" "" ETX

1 2 1 2 2 1 1

Name Description

Node No. Indicates the node No. that has been assigned to the Reader/Writer.

Retry Flag

This flag will be set to "0" when ACK/NACK control has been disabled.

In ACK/NACK control, a response will be re-transmitted with the

retry flag set to "1" if, after returning a response, ACK has not been

received within a pre-determined period of time or if NACK has been

received.

Command code Indicates the code of the command that the Reader/Writer executed.

Response Code Indicates the result of command execution.

Refer to 5-3-7 Response Code List for different response codes.

Text data Sent in response to specific commands. For the content, refer to the

frame structure of each command.

：The contents of STX, ETX, and BCC are the same as those in command frames.

5-3 Command-Response Format 5-3

5-20

5-3-3 Command Code List

The command type is set by specifying the following command types as a command code: There are four

major types of commands.

(1) Communications command

This command communicates with a Tag.

(2) System command

This command accesses to the system area of a Tag.

(3) Reader/Writer control command

This command controls the Reader/Writer, e.g. stopping a command in process, and/or resetting.

(4) Setting command

This command sets the system of the Reader/Writer.

Command

type

Comma

nd code Command name Description Remarks

RD Read Reads data from the Tag memory. This is also used

for some system areas.

WT Write Writes data to the Tag memory. This is also used for

some system areas.

PR Polling Read Executes a Single Auto Read through Polling processing.

PW Polling Write Executes a Single Auto Write through Polling processing.

PC Polling Check Inquires the Reader/Writer under Polling processing.

PE Polling Cancel Cancels Polling processing.

MC Memory Check Compares check codes in Tag memory. I.CODE1 Mode

Only

Communi

cations

Command

MK Memory Calculation

Calculates check codes in Tag memory. I.CODE1 Mode

Only

SR System Read Reads system information of a Tag. ISO Mode Only

SW System Write Sets AFI, DSFID and EAS of a Tag. ISO Mode Only

SL System Lock Locks AFI, DSFID and EAS of a Tag. ISO Mode Only

ES EAS Setting Enables or disables the EAS command. I.CODE1 Mode

Only

QB QuietBit Setting Sets QuietBit I.CODE1 Mode

Only

LK Lock Locks the Tag memory by page.

ＬＲ Lock Setting Read Reads lock setting data of the Tag. ISO Mode only. ISO Mode Only

System

Command

EA EAS Check Checks EAS.

ST Stop Stops the communications with a Tag.

XZ Reset Resets the Reader/Writer after receiving a command.

AK ACK

In a case where the system under ACK/NACK control

cannot receive a response properly, send this command to

the Reader/Writer.

NK NACK

In a case where the system under ACK/NACK control

cannot receive a response properly, send this command to

the Reader/Writer.

CC I/O Control Changes and reads user input and output.

TS Test Sends the data received from the host back to the host.

Reader/

Writer

Control

Command

VS Version Reads the software version of the Reader/Writer.

AE AFI Enable/diable

Changeover

Sets whether AFI is used or not when communicating with a

Tag. ISO Mode Only

AF AFI Reading Sets AFI in the Reader/Writer. ISO Mode Only

FC Family Code Setting Sets a Family Code in the Reader/Writer. I.CODE1 Mode

Only

AI Application ID

Setting

Sets an Application ID in the Reader/Writer. I.CODE1 Mode

Only

SN UID (SNR)

Additional Setting

Sets whethr or not UID (SNR) will be added to a read

response.

NN Node No. Sets the node number in the Reader/Writer.

CP Communications

Port Setting

Sets the baud rate, data length, parity bit, stop bit,

ACAK/NAK control, timeout period, BCC addition, etc, in

the Reader/Writer.

CT Communications

Type Setting

Sets the communications type in the Reader/Writer.

Setting

Command

Tag

Communications

Mode

Set the Tag communications mode in the Reader/Writer.

5-3 Command-Response Format 5-3

5-21

AC Antenna

Changeover

Sets the antenna changeover in the Reader/Writer.

TM Terminal Resistance Sets the terminal resistance for RS485 in the Reader/Writer.

FL Offline Mode Setting Sets which mode the Reader/Writer will start online or

offline.

IS Initialization of

Setting

Reset the Reader/Writer to the factory settings.

EW Set Value Writing Stores the Reader/Writer set value on the EEPROM

TY Chip Operating Mode

Switch

Switches I.CODE1/I.CODE SLI modes

Duplicate

Communication

Protecting Setting

Enables/Disables Duplicate Communication

Protecting Function sets the number of the tables.

CA I/O Automatic

Changeover setting

Enables/Disables I/O Automatic Changeover setting.

* In Offline Mode, the only commands accepted are Stop Command (ST) or Reset Command(XZ).

5-3-4 Communication Method List

The communication mode is set by specifying the following communication code as the

command-data option. The available communication modes vary, depending on the commands

or operation modes.

Name Code Description

Single Trigger ST Immediately after receiving a command, the Reader/Writer

communicates with a Tag and returns a response.

If the Tag is missing, an error (Code:72) is returned.

During communications, only one Tag should exist in the

communications area.

Single Auto SA After receiving a command, the Reader/Writer waits for a Tag to

enter the communications area. Next, the Reader/Writer

communicates with the entering Tag and returns a response. During

communications, only one Tag exists in the communications area.

Single Repeat

(ISO mode)

SR After receiving a command, the Reader/Writer waits for a Tag to

enter the communications area. Next, the Reader/Writer

communicates with the entering Tag and returns a response. After

sending the response, the Reader/Writer enters a Tag waiting state

again and repeats this process until receiving the Stop(ST) or Reset

Command(XZ).

During communications, only one Tag should exist in the

communications area.

This method is for ISO mode only. Do not specify this method in

I.CODE1 mode.

Multi-trigger MT Immediately after receiving a command, the Reader/Writer

communicates with all of the Tags existing in the communications

area and returns responses corresponding to each Tag.

If the Tag is missing, an error (Code:72) is returned.

Multi-repeat MR The Reader/Writer waits for Tags to enter the communications area.

It communicates with all of the Tags existing in the communications

area and returns responses corresponding to each Tag. After

completing communications, the Reader/Writer disables the operation

of the Tag. After sending the response, the Reader/Writer enters a

Tag waiting state again and repeats this process until receiving the

Stop(ST) or Reset Command(XZ).

FIFO Trigger FT Immediately after receiving a command, the Reader/Writer

communicates with a Tag and returns a response.

After completing communications, the Reader/Writer disables the

operation of the Tag. After sending the response, the Reader/Writer

will continue to operate until it receives a FIFO command, Stop(ST)

command, or Reset command(XZ).

During communications, only one Tag in the Communications area is

operable.

FIFO Auto FA After receiving a command, the Reader/Writer waits for a Tag to

enter the communications area. Next, the Reader/Writer

5-3 Command-Response Format 5-3

5-22

communicates with the entering Tag and returns a response. After

sending the response, the Reader/Writer will continue to operate until

it receives a FIFO command, Stop command (ST), or Reset

command(XZ).

After sending the response, the Reader/Writer enters a command

waiting state. During communications, only one Tag in the

Communications area is operable.

FIFO Repeat FR The Reader/Writer waits for a Tag to enter the communications area

and communicates with the entering Tag. After completing

communications, the Reader/Writer disables the operation of the Tag.

After sending the response, the Reader/Writer enters a Tag waiting

state again and repeats this process until receiving the Stop (ST) or

Reset Command(XZ). During communications, only one Tag in the

Communications area is operable.

UID Select

(ISO Mode)

SL Communicates with the Tags specified by UID among the Tags in the

SL communication area. If the specified Tag does not exits, the No

Tag Error (Code: 72) is returned.

Tag Detection, Tag

Designation

(I.CODE1 Mode)

LT,  Communicates with multiple Tags in the communication area

specified by the allocation of the Temporary number (Tag Detection)

and by the Temporary number (Tag Designation). Selective access is

performed by specifying the two communication settings as a unit.

Fast Read Access

(I.CODE1 mode)

UT, UA,

Fast data reading performed by the I.CODE1-specific sequence. Both

Single and Multi Accesses are available by setting the corresponding

Tag codes.

5-3 Command-Response Format 5-3

5-23

5-3-5 Command-by-Command Communication Method List

The communication modes specifiable as a communications method vary, depending on the

command. Communications method options are not provided for some commands, their

communication methods are determined by specifying the command types.

Single FIFO Multiple Selective

Communica-

tions

Method

Command

Tri-

gger Auto Repeat Tri-

gger Repeat

Tag

Detec

tion

Tag

Selection

Fast

Read

(I.CO

DE1

mode)

Note 9 9 − 9 9 9 9 9 − 9 −

Polling Read *1 − （9） − − − − − − − − −

Polling Write *1 − （9） − − − − − − − − −

Memory Check *2 （9）− − − − − − − − − −

Memory Calculation

*2 （9）− − − − − − − − − −

System Read＊2 （9）− − − − − − − − − −

System Write 9 − − − − − − − − 9＊3 −

System Lock 9 − − − − − − − − 9＊3 −

EAS Setting＊2 （9）− − − − − − − − − −

QuitBit Setting＊2 （9）− − − − − − − − − −

Lock Setting＊2 （9）− − − − − − − − − −

Lock Setting Read＊

2 （9）− − − − − − − − − −

EAS Check *4 − − − − − − − （9） − − −

9 : :Able to select communications method

− : :Not able to select communications method

*1 The communication is fixed to Single Auto. The communication method cannot be specified by users.

*2 The communication is fixed to Single Trigger. The communication method cannot be specified by users.

*3 Specifies the communication method by system designation in command data. Selective/UID Select can

be specified for EAS only. Settings for other system data is fixed to Single Trigger.

*4 The communication is fixed to Multiple Repeat. The communication method cannot be specified by

users.

5-3 Command-Response Format 5-3

5-24

5-3-6 Specifying a Data Code

In the Command code area of the command data, whether the Reader/Writer reads or writes data as

ASCII code (or JIS8 code) or HEX code numeric data is specified.

Name Code Description

ASCII Code A A character of data occupies 1 byte (1 address) on a Tag as an

ASCII code or a JIS 8 code.

Control codes 02 (STX) and 03 (ETX) cannot be used.

HEX code H A character is handled as hexadecimal data. Therefore, only

characters from 0 to F are accepted. Two characters of data

occupy 1 byte (1 address) on a Tag.

• Example of ASCII Representation

When writing "V720" to four bytes of memory of page 00 using ASCII data, the data will occupy the

Tag's memory as follows:

byte 0 byte 1 byte 2 byte 3

page 00h 5 6 3 7 3 2 3 0

V 7 2 0

• Example of Hexadecimal Representation

When writing "12345678" to four bytes of memory of page 01h using hexadecimal data, the data will

occupy the Tag's memory as follows:

byte 0 byte 1 byte 2 byte 3

page 00h 1 2 3 4 5 6 7 8

5-3 Command-Response Format 5-3

5-25

5-3-7 Response Code List

5-3-7-1 ISO Mode

Type Response

Code Name Description

“00” Normal completion The received command ends normally with no error.

“72” Multi-processing end Communications end response when a multi-trigger function is used.

“74” Polling command

received ･Polling command has been received normally.

･Polling Check is received before the completion of communications with a Tag.

“75” Polling processing

canceled

Polling processing is canceled before the completion of communications with a

Tag.

Normal

completion

“76” Polling processing

canceled

Polling processing is canceled after the start of communications with a Tag.

“10” Parity error A parity error occurs in one of the characters of the received command.

“11” Framing error A framing error occurs in one of the characters of the received command.

“12” Overrun error An overrun error occurs in one of the characters of the received command.

“13” BCC error The received command has an incorrect BCC.

“14” Format error ･The command format is incorrect.

･A stop command is received in command-waiting status.

･An I.CODE1-mode specific command/function is executed.

Host

communica

tions error

“18” Frame length error ・ETX is not received in 289 characters or less after STX is received.

“70” Communications

error ･An error occurs during the communications with a Tag, and communications

cannot end normally.

“71” Write process error ･Failed to write correct data onto a Tag. (Verification error)

･An error occurred in the data writing process between a Tag,

preventing the process from being completed normally.

“72” No Tag error ･No Tag is present in front of Antenna when a Trigger command is executed.

･There are multiple Tags within the communications area when using Single

Access mode.

“79” Command error ・ Refer to the correlation table of ISO/IEC Error Codes.

“7A” Address error ・Unavailable pages. (ISO/IEC standard error code 10)

*Results in 79 error on I.CODE SLIs because the Tag is not supported.

Communica

tions error

“7E” Lock error [ver1.20

and higher]

･Writing onto a locked page. (ISO/IEC standard error code 12) *Results

in 79 error on I.CODE SLIs because the Tag is not supported.

“7C” Communication

circuit error

・An error occurred in the Reader/Writer communication circuit.

System

error

“93” Memory error ・The EEPROM for the operating condition setting cannot be re-written

normally.

■ Correlation table of ISO/IEC Error Codes

When a Tag incorporating ISO/IEC chip (including I.CODE SLI chip) returns an error response, the

Reader/Writer responses a Response Code shown in the table below.

ISO code Description Response code of module

01 An unadopted command. No request command can be

recognized. 79

02 An unrecognizable command. ex. format error. 79

03 An unadopted arbitrary command 79

0F An unaccountable error or unadopted error code. 79

10 A specific block cannot be use. (There is none) 7A

11 A specific block cannot be relocked since the block has

been already locked. 00

12 A specific block cannot be rewritten since it is locked. 71/7E

13 A specific block has not completed writing correctly. 71

14 A specific block has not completed locking correctly. 71

Others RFU 79

5-3 Command-Response Format 5-3

5-26

5-3-7-2 I.CODE1 Mode

Type Response

Code Name Description

“00” Normal completion The received command ends normally with no error.

Multi-processing end Communications end response when a multi-trigger function is used.

“72”

Selective detection completion Communications end response when a selective access/detection

function is used.

“74” Polling command received ･Polling command has been received normally.

･Polling Check is received before the completion of communications

with a Tag.

Polling processing canceled Polling processing is canceled before the completion of

communications with a Tag.

“75”

Data normal Results of the memory calculation command (MK) check code

verification are normal.

Polling processing canceled Polling processing is canceled after the start of communications with

a Tag.

Normal

completion

“76”

Data error Results of the memory calculation command (MK) check code

verification show an error.

“10” Parity error A parity error occurs in one of the characters of the received

command.

“11” Framing error A framing error occurs in one of the characters of the received

command.

“12” Overrun error An overrun error occurs in one of the characters of the received

command.

“13” BCC error The received command has an incorrect BCC.

“14” Format error ･The command format is incorrect.

･A stop command is received in command-waiting status.

In Selective Access mode;

1) A temporary number not saved using the Tag detection

command is specified.

2) A tag detection command normal end is retried after it has

been sent.

･The specified, Temporary number is not saved by Tag

Detection Command.

･An ISO-mode specific command/function is executed.

Host

communications

error

“18” Frame length error ・ETX is not received in 289 characters or less after STX is received.

“70” Communications error ･An error occurs during the communications with a Tag, and

communications cannot end normally.

“71” Write process error ･Tag is in an area that can be read, but not written to.

･You are trying to write to a locked page (i.e., write-protected).

･The correct data cannot be written to the Tag.

･Verify read results in an error.

Communication

s error

“72” No Tag error ･No Tag is present in front of Antenna when a Trigger command is

executed.

･There are multiple Tags within the communications area when

using Single Access mode.

“7C” Communication circuit error ・An error occurred in the Reader/Writer communication

circuit.

System error

“93” Memory error ・The EEPROM for the operating condition setting cannot be

re-written normally.

“01” Specified No. of Tags exceeded ・More Tags than have been specified in the Tag No. setting have

entered the communications area.

“02” Specified No. of retries exceeded ・Tag detection has been retried the specified number of times to

find all the Tags in the communications area, but some Tags have

not been detected.

“03” No. of Tags exceeded

No. of retries exceeded

・Two of the warning, “01” and “02,” have occurred.

“04” Communications error ・An error occurs during communicating with Tags, resulting in

successful communications with only some of the Tags.

“05” Specified No. of Tags exceeded

Communications error ・Two of the warnings, “01” and “04,” have occurred.

“06” No. of Tags exceeded

Communications error ・Two of the warnings, “02” and “04,” have occurred.

Warning

“07” No. of Tags exceeded

No. of retries exceeded

Communications error

・All the three warnings, “01,” “02,” and “04,” have occurred.

：The warning code is issued for Multiple Trigger(MT) and Multiple Repeat(MR) Modes only.

5-3 Command-Response Format 5-3

5-27

5-3-8 Example BCC Calculation

BCC is the result of the horizontal parity calculation of the data right after STX up to ETX inclusive.

Refer to JIS5001 Transmission Path Character Configuration and Using Horizontal Parity for details.

Node No.

Command

code Text

BCC

STX 0 0 R D S T A 0 0 0 0 1 ETX 62

Command

data

ASCII code data

0 0011 0000

EOR

0 0011 0000

EOR

R 0101 0010

EOR

D 0100 0100

EOR

S 0101 0011

EOR

T 0101 0100

EOR

A 0100 0001

EOR

0 0011 0000

EOR

0 0011 0000

EOR

0 0011 0000

EOR

0 0011 0000

EOR

1 0011 0001

EOR

ETX 0000 0011

Calculation

results

0110 0010

Precautions on the communication-control software programming:

The BCC is a character representing the result of the horizontal parity check performed for data and ETX. The

BCC could be any code from 00h to FFh. (From 00h to 7Fh for 7-bit data). The communication control program

that runs on the host must be designed assuming the case where BCC is not defined as STX/ETX control

character or other characters.

* Some characters may not be available, depending on the program development environment or coding

method. Check the restrictions of the development environment of your choice.

5-4 Communication Commands 5-4

5-28

5-4-1 Read (RD)

This command reads data from a Tag in the communications area.This is also used to read

some system areas in I.CODE1.

STX

Node No..

Command

Code

“RD”

Communic

ations

method

Data

type

Tag

type

First read

page

No. of

read pages

ETX BCC

1 2 2 2 1 1 2 2 1 1

Communications

method

Specifies a communications method

ST: Single Trigger FA: FIFO Auto

SA: Single Auto FR: FIFO Repeat

SR: Single Repeat MT: Multi Trigger

FT: FIFO Trigger MR: Multi Repeat

*Refer to SECTION 5-3-4 Communication Mode List for details.

Data type Specifies whether the read data is represented in ASCII or HEX.

A : ASCII code

H : HEX code

*Refer to SECTION 5-3-6 Specifying a Data Code for details.

In ISO mode Specifies the Tag type.

A: I.CODE SLI chip

Tag

typ

* In I.CODE1

mode (Tag No.

setting)

Set the number of Tags which communicate simultaneously.

0 : when executing single or FIFO communications

“1 to 7” : when executing multi-communications

*Refer to SECTION 5-2-5 Specifying a Tag Code for details.

First read page Specifies the first page in hexadecimal to read from the Tags.

Specification range: 00 to FFh (in ISO mode: 00 to 1Bh for I.CODE

SLI chip)

Specification range: FB to 0Ah (in I.CODE1 mode)

*Refer to SECTION 2-4 Memory Map of Tag for details.

No. of read pages Specifies the number of pages in hexadecimal to read from the Tags.

Specification range: 01 to FFh (in ISO mode: 01 to 1Ch for I.CODE

SLI)

Specification range: 01 to 10h (in I.CODE1 mode)

*The setting number of each Tag type is valid only when it is within the range of each

operating mode in Reader/Writer.

(1) Read data: there are responses according to the number of Tags in its communications

area when multi- communications method is executed.

STX Node No.

Retry

Flag

Command

Code

“RD”

Response

Code

“00”

UID(SNR) Read data ETX BCC

1 2 1 2 2 16 As specified 1 1

(2) Completion of communications (Multi/Trigger only): When the communications with

all tags in communications area is completed.

STX Node No

Retry

Flag

Command

Code

“RD”

Response

Code

“72”

ETX BCC

1 2 1 2 2 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

UID (SNR) Indicates UID (SNR) having been read from a Tag.

When UID (SNR) (Tag-specific code) additional setting is valid, read

data will be preceded by UID. UID(SNR)

Read Data Indicates the data having been read from a Tag. The number of

characters of data is as follows.

ASCII code: No. of read pages x 4

HEX code: No. of read pages x 8

5-4 Communication Commands 5-4

5-29

5-4-2 Write (WT)

Writes data to the Tag in the communication area. Also used to write data to some system

areas in I.CODE1.

There is no need to perform the verify read process, since this command performs it as part of

its execution.

STX

Node No.

Command code

“WT”

Communi

cations

method

Data

type

Tag

type

First write

page

No. of

write

pages

Write

data

ETX BCC

1 2 2 2 1 1 2 2 As specified 1 1

Communications

method

Specifies the communications method with a Tag.

ST: Single Trigger FR: FIFO Repeat

SA: Single Auto MT: Multi Trigger

FT: FIFO Trigger MR: Multi Repeat

FA: FIFO Auto

*Refer to SECTION 5-3-4 Communication Mode List for details.

Data type Specifies whether the read data is represented in ASCII or HEX.

A: ASCII code

H: HEX code

**Refer to SECTION 5-3-6 Specifying a Data Code for details.

In ISO mode Specifies the Tag type.

A: I.CODE SLI chip

Tag

typ

* In I.CODE1

mode

(Tag No.

setting)

Set the value with accordance with the number of Tags

communicating simultaneously.

0 : when performing Single or FIFO communications method

“1 to 7” : when performing multi communications method

*Refer to SECTION 5-2-5 Specifying a Tag Code for details.

First write page Specifies the first page in hexadecimal to write to the Tags.

Specification range: 00 to FFh (in ISO mode: 00 to 1Bh for I.CODE

SLI chip)

Specification range: FD to 0Ah (in I.CODE1 mode: the range of the

writable user area is FF page to 0A page)

*Refer to SECTION 2-4 Memory Map of Tag for details.

No. of write pages Specifies the number of pages to which data is written to Tags in

hexadecimal.

Specification range: 01 to FFh (in ISO mode: 01 to 1Ch for I.CODE

SLI)

Specification range: 01 to 0Eh (in I.CODE1 mode)

Write data Indicates data to be written to the Tag. The number of characters of

the data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

* Setting values of each Tag type is valid in the operating mode setting range in

Reader/Writer.

I.CODE1 System Area

From Page FD to Page FF is a system area for write-protect and QUIET/EAS settings. Depending on the

content of write data, a Tag may become write-protected or inaccessible, so be sure to understand these

pages fully before use.

It is strongly recommended that data be re-written using a command dedicated to system area re-writing

rather than Write Command (Refer to SECTION 5-5). Re-writing data when the Tag is in an unstable

communication area may destroy data in the system area, interrupting the communication with the Tag.

Be sure to re-write data while the Tag is in a stable communication area.

5-4 Communication Commands 5-4

5-30

(1)In ISO mode

1) The completion of write (In a case where UID (SNR) additional setting is invalid)

STX Node No.

Retry

flag

Command

code

“WT”

Response

code

“00”

No. of

written

pages

ETX BCC

1 2 1 2 2 2 1 1

As specified

2)The completion of write (In a case where UID (SNR) additional setting is valid)

There are responses according to the number of Tags in communications area when multi-

communications method is preferred.

STX Node No.

Retry

flag

Command

code

“WT”

Response

code

“00”

UID(SNR) ETX BCC

1 2 1 2 2 16 1 1

3)The completion of communications (In a case where multi-trigger and UID (SNR) additional

setting is invalid.)

STX Node No.

Retry

flag

Command

code

“WT”

Response

code

“72”

ETX BCC

1 2 1 2 2 1 1

(2)In I.CODE1 mode

1)The completion of write

STX Node No.

Retry

flag

Command

code

“WT”

Response

code

“00”

Write

data

ETX BCC

1 2 1 2 2 2 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

No. of write pages Returns the number of pages which data is written normally.

Does not return a response except that it completes normally.

Does not add during Single and FIFO communications.

UID(SNR) Indicates UID (SNR) having read from written Tags.

UID (SNR) (Tag-specified code) additional setting is added when it is

valid.

5-4 Communication Commands 5-4

5-31

5-4-3 Read (RD)-Tag Detection: I.CODE1 Mode only

This command assigns temporary Tag numbers to each of multiple Tags that are present in the

communications area. This command is available only when the system is in I.CODE1 mode.

In ISO mode, you must enable UID (SNR) additional setting, execute 5-3-1 Read Command

(RD), and get UID since the system uses UID (SNR) data as a temporary number.

STX

Node No.

Command

code

“RD”

Communi

cations

method

Data

type

Tag

number

setting

First

read

page

No. of read

page

ETX BCC

1 2 2 2 1 1 2 2 1 1

Communications

method

Specifies a communications method with a Tag.

LT: Tag Detection

* For details, refer to 5-3-4Communications Methods.

Data type Specifies whether the read data is represented in ASCII or HEX.

A : ASCII code

H : HEX code

* For details, refer to 5-3-6 Data Type

Tag No. setting Set the value with accordance with the number of Tags communicating

simultaneously.

Specification range:1 to 7

* For details refer to 5-2-5 Tag No. setting.

First read page Specifies the first page in hexadecimal to read from the Tags.

Specification range: FB to 0Ah (when Block 4 for a Philips product is

used as the user memory,, refer to 2-4 of Section 2 Memory Map of Tag)

No. of read pages Specifies the number of pages from which data is read in hexadecimal.

Specification range: 01 to 10h

(1) There will be as many responses as the number of Tags that are present in the communications area.

STX Node No.

Retry

flag

Command code

“RD” Response

code

“00”

Temporar

y No.

Read data ETX BCC

1 2 1 2 2 2 As specified 1 1

(2) Tag detection end response

STX Node No.

Retry

flag

Command

code

“RD”

Response

code

“72”

ETX BCC

1 2 1 2 2 1 1

Response code 01: Normal completion

72: The completion of Tag detection

For other response codes, refer to 5-3-7 Response code List.

Read data Indicates the data having been read from a Tag. The number of characters of the

data is as fellows.

ASCII code : No. of read pages x 4

HEX code : No. of read pages x 8

UID (SNR) Indicates UID (SNR) having been read from a Tag.

When UID (SNR) (Tag-specific code) additional setting is valid, read data will be

preceded by UID. UID(SNR)

Temporary No. The Temporary Number 00 to 7F are returned under normal conditions.

：This command works in I.CODE1 mode only. ISO mode is not available.

5-4 Communication Commands 5-4

5-32

5-4-4 Read (RD)-UID Select/Specified Tag

In ISO mode, this command reads data from the Tag in communications area by specifying UID (SNR).

In I.CODE1 mode, this command reads data from the Tag which is specified by the Temporary

Number.

STX

Node No.

Command code

“RD”

Communic

ations

method

Data

type

Tag

type

First read

page

No. of read

pages

ETX BCCUID(SNR)

1 2 2 2 1 1 2 2 16 1 1

In ISO

mode

Specifies the communications method with a Tag.

SL: UID (SNR) select

* For details, refer to 5-3-4 Communications Methods

Commun

ications

method

In I.CODE

mode

Specifies the temporary No. in hexadecimal to read from the Tags.

□□: Temporary No. (The value of □□ should be within the range of

00h to 7Fh)

* For details, refer to 5-3-4 Communications Methods.

Data type Specifies whether the read data is represented in ASCII or HEX.

A: ASCII code

H: HEX code

For details, refer to 5-3-6 Data type.

In ISO

mode

Specify the Tag type.

A: I.CODE SLI chip

Tag

type

* In I.CODE1

mode “0” fixed.

First read page Specifies the first page in hexadecimal to read from the Tags.

Specification range: 00 to FFh (In ISO Mode: I.CODE SLI chip

should be from 00 to 1Bh)

Specification range: FB to 0Ah (In I.CODE1 Mode)

* For details, refer to 2-4 Memory Map of Tag.

No. of read pages Specifies the number of the pages in hexadecimal to read from the

Tags.

Specification range: 01 to FFh (In ISO Mode: I.CODE SLI chip

should be 01 to 1Ch)

Specification range: 01 to 10h (In I.CODE1 Mode)

In ISO

Mode Specifies UID (SNR) in hexadecimal to read from the Tags.

UID

(SNR)

In I.CODE1

mode Not added.

* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.

STX Node No..

Retry

flag

Command

code

“RD”

Response

code

“00”

Temporary

No.

UID(SNR) Read data ETX BCC

1 2 1 2 2 2 16 As specified 1 1

Response code 00: normal completion

For other response codes, refer to 5-3-7 Response code List.

Temporary number

(I.CODE1 Mode

only)

Returns the Temporary numbers from 00 to 7F in the normal state.

UID/SNR

(ISO Mode only)*

UID/SNR is added at the top of read data when UID/SNR addition setting is

enabled.

Read data Indicates data having read from the Tag. The number of characters of

the data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

* UID/SNR is not added in I.CODE1 Mode regardless of the UID/SNR addition setting status.

5-4 Communication Commands 5-4

5-33

5-4-5 Write (WT)-UID Select/Specified Tag

This command writes data to the Tag of either UID (SNR) (in ISO mode) or Temporary Number (in

I.CODE1 mode).

STX

Node

No..

Command code

“WT”

Communi

cations

method

Data

type

Tag

type

First

write page

First

write page

UID(SNR) Write

data

ETX BCC

1 2 2 2 1 1 2 2 16 As specified 1 1

In ISO mode

Specifies the communications method with a Tag.

SL: UID (SNR) select

* Refer to SECTION 5-3-4 Communication Mode List for details.

Communic

ations

method

In I.CODE1

mode

Specifies the temporary No. in hexadecimal to write to the Tags.

□□: Temporary No. (The value of □□ should be within the range of

00h to 7Fh)

* Refer to SECTION 5-3-4 Communication Mode List for details.

Data type Specifies whether the read data is represented in ASCII or HEX.

A: ASCII code

H: HEX code

*Refer to SECTION 5-3-6 Specifying a Data Code for details.

In ISO mode Specify the Tag type.

A: I.CODE SLI chip

Tag

type

* In I.CODE1 mode “0” fixed.

First write page Specifies the first page in hexadecimal to write to the Tags.

Specification range: 00 to FFh In ISO mode: I.CODE SLI chip

should be between 00 to 1Bh)

Specification range: FB to 0Ah (In I.CODE1 mode: The available

user area should be between FF page and 0A page)

*Refer to SECTION 2-4 Memory Map of Tag for details.

No. of read pages Specifies the number of the pages in hexadecimal to write to the Tags.

Specification range: 01 to FFh (In ISO Mode: I.CODE SLI chip

should be from 01 to 1Ch)

Specification range: 01 to 0Eh (In I.CODE1 Mode)

In ISO mode Specifies UID (SNR) in hexadecimal to write to the Tags.

UID

(SNR) In I.CODE1 mode Not added.

Write data Indicates data to write to the Tag. The number of characters of the

data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.

STX Node No..

Retry

flag

Command code

“WT”

Response code

“00”

Temporary

No.

ETX BCC

1 2 1 2 2 2 16 1 1

Response code 00:normal completion

For other response codes, refer to 5-3-7 Response code List.

Temporary number

(I.CODE1 Mode

only)

Returns the Temporary numbers from 00 to 7F in the normal state.

UID/SNR

(ISO Mode only)*

UID/SNR is added at the top of read data when UID/SNR addition setting is

enabled.

* UID/SNR is not added in I.CODE1 mode regardless of the UID/SNR addition setting status.

I.CODE1 SYSTEM AREA

From Page FD to Page FF is a system area for write-protect and QUIET/EAS settings. Depending on the

content of write data, a Tag may become write-protected or inaccessible, so be sure to understand these

pages fully before use.It is strongly recommended that you use a system command to write in these pages

(refer to 5-5) rather than using the write command.

5-4 Communication Commands 5-4

5-34

5-4-6 Read (RD)-Fast Read Access: I.CODE1 Mode only

When there is only a single Tag in the communications area, this command enables to read data from the

Tag faster than a usual Read.

STX

Node No..

Command

code

“RD”

Communi

cations

method

Data

type

Setting

Tag

No.

First

read

page

No. of

read pages

ETX BCC

1 2 2 2 1 1 2 2 1 1

Communications

method

Specifies the communications method with a Tag.

UT: Special Read Trigger

UA: Special Read Auto

UR: Special Read Repeat

* Refer to SECTION 5-3-4 Communication Mode List for details.

Data type Specifies whether the read data is represented in ASCII or HEX.

A : ASCII code

H : HEX code

* Refer to SECTION 5-3-6 Specifying a Data Code for details.

Tag No. setting Set the number of Tags which communicate simultaneously.

* Refer to SECTION 5-2-5 Specifying a Tag Code: I.CODE1 for details.

Specification range: 0 to 7

First read page Specifies the first page in hexadecimal to read from the Tags.

Specification range: FB to 0A (when Block 4 for a Philips product is

used as the user memory, refer to 2-4 of Section 2 Memory Map of Tag)

No. of read pages Specifies the number of pages from which data is read in hexadecimal.

Specification range: 01 to 10

STX Node No..

Retry

flag

Command

code

“RD”

Response

code

“00”

Read data

ETX BCC

1 2 1 2 2

As specified 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Read data Indicates data having read from the Tag. The number of characters of

the data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

：In Fast Read Access, multiple Tags can be read in the same way as in Multiple Repeat mode by

setting the Tag code other than 0 and specifying UR as the communication method. However, data is

repeatedly read while the Tag is in the communication area. (Refer to SECTION 3-2-5).

When UT or UA is specified as the communication method, the anti-collision processing (the operation to

prevent the collision of the response returned by the Tag), it is not performed even if a number other than

0 is specified as the Tag code. Therefore, if a collision (of the response) takes place, its Tag data cannot be

read. It is recommended that the command be used in Multiple Access mode (MT/MR). The command is

available in I.CODE1 Mode only; it is not available in ISO Mode.

5-4 Communication Commands 5-4

5-35

5-4-7 Polling Single Auto Read (PR)

Immediately after receiving the Polling Single Auto Read Command, the Reader/Writer returns a

response indicating the acceptance of the command, and waits for a Tag to enter the communications area

of the Antenna. Then it reads the data of the entering Tag. The host can inquire of the Reader/Writer

about the results of communications processing using the Polling Check (PC) command.

STX

Node No..

Command code

“PR”

Data

type

Tag

type

First read

page

No. of

read

pages

ETX BCC

1 2 2 1 1 2 2 1 1

Data type Specifies whether the read data is represented in ASCII or HEX.

A : ASCII code

H : HEX code

* Refer to SECTION 5-3-6 Specifying a Data Code for details.

In ISO mode Specify the Tag type.

A: I.CODE SLI chip

Tag

type

* In I.CODE1

mode Not added.

First read page Specifies the first page in hexadecimal to read data from the Tags.

Specification range: 00 to FFh (In ISO mode: I.CODE SLI chip

should be from 00 to 1Bh)

Specification range: FB to 0Ah (In I.CODE1 mode)

* Refer to SECTION 2-4 Memory Map of Tag for details.

No. of read pages Specifies the number of the pages in hexadecimal to read data from

the Tags.

Specification range: 01 to FFh (In ISO mode: I.CODE SLI chip

should be from 01 to 1Ch)

Specification range: 01 to 10h (In I.CODE1 mode)

* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.

STX Node No..

Retry

flag

Command code

“PR”

Response

code

“74”

ETX BCC

1 2 1 2 2 1 1

Response code 74: Command acceptance

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

5-4 Communication Commands 5-4

5-36

5-4-8 Polling Single Auto Write (PW)

Immediately after receiving the Polling Single Auto Write Command, the Reader/Writer returns a

response indicating the acceptance of the command and waits for a Tag to enter the communications area

of the Antenna. Then it writes data to the entering Tag. The host can inquire of the Reader/Writer about

the results of communications processing using the Polling Check (PC) command.

There is no need to perform the verify read process, since this command performs it as part of its

execution.

STX

Node No..

Command

code

“PW”

Data

type

Tag

type

First write

page

No. of

write

pages

Write data ETX BCC

1 2 2 1 1 2 2 As specified 1 1

Data type Specifies whether the write data is represented in ASCII or HEX.

A : ASCII code

H : HEX code

* Refer to SECTION 5-3-6 Specifying a Data Code for details.

In ISO mode Specify the Tag type.

A: I.CODE SLI chip

Tag

type

* In I.CODE1

mode Not added.

First write page Specifies the first page in hexadecimal to write data to the Tags.

Specification range: 00 to FFh (In ISO mode: I.CODE SLI chip

should be from 00 to 1Bh)

Specification range: FB to 0Ah (In I.CODE1 mode: the range of the

writable user area is FF page to 0A page)

* Refer to SECTION 2-4 Memory Map of Tag for details.

No. of read pages Specifies the number of the pages in hexadecimal to write data to the

Tags.

Specification range: 01 to FFh (In ISO Mode: I.CODE SLI chip

should be from 01 to 1Ch)

Specification range: 01 to 0Eh (In I.CODE1 Mode)

Write data Indicates data to write to the Tag. The number of characters of the

data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.

STX Node No.. Retry

flag

Command

code

“PW”

Response

code

“74”

ETX BCC

1 2 1 2 2 1 1

Response code 74: Command acceptance

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

I.CODE1 SYSTEM AREA

The pages from FD to FF on the I.CODE1 Chip are system areas for setting write access conditions,

QUIET/EAS, family code/application ID. Users must understand thoroughly how the function works

because the Tag may be locked or access may be disabled depending on data written to the area. It is

strongly recommended that data be re-written using a command dedicated to system area writing rather

than Write Command (Refer to SECTION 5-5).

5-4 Communication Commands 5-4

5-37

5-4-9 Polling Check (PC)

You can check the results while the Polling Single Auto Read Command and Polling Single Auto Write

Command are being executed. You can use Polling Check after the Polling Single Auto Read Command

and Polling Single Auto Write Command have been sent.

STX

Node No..

Command

code

“PC”

ETX BCC

1 2 2 1 1

(1) Response to Polling Single Auto Read Command (PR)

STX Node No..

Retry

flag

Command

code

“PR”

Response

code

“00”

UID(SNR) Read data

ETX BCC

1 2 1 2 2 16 As specified 1 1

(2) Response to Polling Single Auto Write Command (PW)

STX Node No..

Retry

flag

Command

code

“PW”

Response

code

“00”

UID(SNR) ETX BCC

1 2 1 2 2 16 1 1

(3) Response when a Tag is not detected

A response when Polling Check Command is received before the communications with a Tag is

completed.

STX Node No..

Retry

flag

Command code

“PC”

Response

code

“74”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

74: In a case before the communications with a Tag is completed.

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

UID (SNR) Indicates UID (SNR) data having read from a tag.

UID (SNR) (Tag-specified code) additional setting (refer to 5-6-5 SN

Command) is added when it is valid as follow

• Polling Single Auto Read: UID (SNR) is added before Read data.

• Polling Single Auto Write: When it is in ISO mode, UID (SNR) is

added after the Response code “00.”

Read data Indicates data to read from the Tag. The number of characters of the

data is as follows.

ASCII Code: No. of write pages x 4

HEX code: No. of write pages x 8

5-4 Communication Commands 5-4

5-38

5-4-10 Polling End (PE)

This command aborts the execution of Polling commands. It is used after a Polling command is

sent.

STX

Node No..

Command

code

“PE”

ETX BCC

1 2 2 1 1

(1) Before the completion of communications with a Tag

STX Node No..

Retry

flag

Command

code

“PE”

Response

code

“75”

ETX BCC

1 2 1 2 2 1 1

(2) After the completion of communications with a Tag

STX Node No..

Retry

flag

Command

code

“PE”

Response

code

“76”

ETX BCC

1 2 1 2 2 1 1

Response code 75:Before the completion of communications with a Tag

76:After the completion of communications with a Tag

For other response codes, refer to 5-3-7 Response code List.

5-4 Communication Commands 5-4

5-39

5-4-11 Memory Check (MC): I.CODE1 Mode only

This command uses the generating polynomial, X16 + X12 + X5 + 1 to calculate the range of the check block

designated by a user and to compare the results with the check code attached to the check block.

STX

Node No..

Command code

“MC”

Check

block.

header page

Check block

No. of pages

ETX BCC

1 2 2 2 2 1 1

Check block

Header page

Specifies the header page of check block in hexadecimal.

Specify the top page of the check block in hex number. Specification

range: FF to 09 (When using the Philips block 4 as the user memory,

refer to SECTION 2-4).

Check block

No. of pages

Specifies the number of the pages of check block in hexadecimal.

Specification range: 02 to 0C

STX Node No..

Retry

flag

Command code

“MC”

Response

code

ETX BCC

1 2 1 2 2 1 1

Response code 75: When the check results are correct

76: When the check results are incorrect

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：This command is for I.CODE1 Mode Only. The command is not available in ISO mode.

5-4-12 Memory Calculation (MK): I.CODE1 Mode only

This command uses the generating polynomial, X16 + X12 + X5 + 1 to calculate the range of the

check block designated by a user and writes the check code to the last page of the check block.

STX

Node No..

Command

code

“MK”

Check

block.

header

page

Check

block

No. of

pages

ETX BCC

1 2 2 2 2 1 1

Check block

header page

Specifies the header page of check block in hexadecimal.

Specify the top page of the check block in hex number. Specification

range: FF to 09 (When using the Philips block 4 as the user memory,

refer to Chapter 2, SECTION 2-4 Memory Map of Tag).

Check block

No. of pages

Specifies the number of the pages of check block in hexadecimal.

Specification range: 02 to 0C

STX Node No..

Retry

flag

Command

code

“MK”

Response

code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：This command is for I.CODE1 Mode Only. The command is not available in ISO mode.

5-5 System Command 5-5

5-40

5-5-1 System Read (SR): ISO Mode only

This command read system information in the system area of the Tag.

STX

Node No..

Command

code

“SR”

Tag

type

System

method

“00

”

1 2 2 1 2 1 1

Tag type Specified a Tag type

A: I.CODE SLI chip

System method Specified the kind of system information.

“00” fixed.

STX Node No..

Retry

flag

Command

code

“SR”

Response

code

“00”

Information

flag

UID(SNR)

Information

field

ETX BCC

1 2 1 2 2 2 16 2to10 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Information flag Indicates information in the Information field with a flag.

Bit Information

０ DSFID

１ AFI

２ VICC memory size

３ IC reference information

４to７ For future use

* Information field is stored in order of bit when the bit above is 1.

* For the contents of information flag, refer to 2-4 Memory Map.

UID(SNR) Indicates UID (SNR) data having read from a Tag.

DSFID DSFID of a Tag

AFI AFI of a Tag

VICC

memory size

Defines the memory and block sizes of a Tag.

MSB LSB

15 13 12 8 7 0

Un-

assigned Block size Block length

* Block length: the number of blocks of a Tag（00h to FFh＝1 to 256）

* Block size: the number of bytes per one block（00h to 1Fh＝1 to 32）

Block length: “1B”＝28 blocks

Block size: “03”＝ 4 bytes

Information field

IC reference

information

IC reference Information of Tag

* IC reference Information is a form of data defined by IC manufacturer.

：This command is in ISO Mode Only. The command is not available for I.CODE1 mode.

5-5 System Command 5-5

5-41

5-5-2 System Write (SW): ISO Mode only

This command writes the settings of AFI, DSFID, and EAS to a Tag.

(1) For normal write

STX

Node No..

Command code

“SW”

Tag

type

System

method

data

ETX BCC

1 2 2 1 2 2 1 1

(2) When UID of a Tag is specified

STX

Node No..

Command

code

“SW”

Tag

type

System

method

UID

data

1 2 2 1 2 16 2 1 1

Tag type Specifies the Tag type.

A: I.CODE SLI chip

System method Specifies the kind of system information to write to.

01: AFI

02: DSFID

03: EAS (For normal write)

83: Select EAS (When specifying UID of a Tag)

UID Specifies UID of a Tag in hexadecimal to write to.

AFI Specifies UID of a Tag in hexadecimal to write to.

Specification range: 00 to FFh

DSFID Specifies UID of a Tag in hexadecimal to write to.

Specification range: 00 to FFh

Data

EAS

setting

00: Enables EAS setting

01: Disables EAS setting

STX Node No..

Retry

flag

Command code

“SW”

Response code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：This command is in ISO Mode Only. The command is not available for I.CODE1 mode.

5-5 System Command 5-5

5-42

5-5-3 System Lock (SL): ISO Mode only

This command locks (write-inhibit) to write to system area information of a Tag.

(1) Normal lock

STX

Node No..

Command code

“SL”

Tag

type

System

method

ETX BCC

1 2 2 1 2 1 1

(2) In a case where UID of a Tag is specified

STX

Node No..

Command code

“SL”

Tag

type

System

method

UID

ETX BCC

1 2 2 1 2 16 1 1

Tag type Specifies the Tag type.

A: I.CODE SLI chip

System method Specifies the system information to lock.

01:AFI

02: DSFID

03: EAS (normal lock)

83: Select EAS (In a case where UID of a Tag is specified and locked)

UID Specifies the UID of a Tag to lock in hexadecimal.

STX Node No..

Retry

flag

Command

code

“SL”

Response

code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

(Important) Precautions on the Lock function

Be careful that once system information has been locked, the lock cannot be cleared.

：This command is in ISO mode Only. The command is not available for I.CODE1 mode.

5-5 System Command 5-5

5-43

5-5-4 Read (RD)-SNR Read: I.CODE1 Mode only

This command read SNR (Tag-specified code) which incorporates I.CODE1 chip. Refer to 2-4 of Section 2

Memory Map of Tag.

STX

Node No..

Command code

“RD”

Communications

method

Data

type

Tag

No.

setting

Fixed

value

“∗∗”

Fixed

value

“((”

ETX BC

1 2 2 2 1 1 2 2 1 1

Communications

method

Specifies the communications

method with a Tag.

ST: Single Trigger

SA: Single Auto

SR: Single Repeat

FT: FIFO Trigger

FR: FIFO Repeat

MT: Multi-trigger

MR: Multi-repeat

LT: Selective Access (Tag detection)

□□: Selective Access (Read)

(For □□, the values from 00h to 7Fh

are available.)

UT: Special Read Trigger

UA:: Special Read Auto

UR: Special Read Repeat

Refer to SECTION 5-3-4

Communication Mode List for details.

Data type “H” fixed (HEX code)

For Single/FIFO/Selective Access (Read)

Set the number of Tags “0.”

Tag No. setting

For Multi/Selective Access (Tag detection command)

Reads SNR (unique code of the Tag) on the Tags with an I.CODE1 Chip.

Refer to SECTION 5-2-5, Specifying a Tag Code.

Specification range: 1 to 7

(1) For Single/FIFO/Multi (except for the response of the completion of communications)

STX Node No..

Retry

flag

Command code

“RD”

Response

code

“00”

Serial

No.

ETX BCC

1 2 1 2 2 16 1 1

(2) For Selective Access (except for the response of the completion of Tag detection)

STX Node No..

Retry

flag

Command code

“RD”

Response

code

“00”

Temporary

No.

Serial

No.

ETX BCC

1 2 1 2 2 2 16 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Serial No. Indicates serial number written to a Tag in advance. You cannot rewrite

the number.

：This command is for I.CODE1 Mode Only. The command is not available in ISO mode:

5-5 System Command 5-5

5-44

5-5-5 EAS Setting (ES): I.CODE1 Mode only

This command sets the EASBit of a Tag incorporating I.CODE1 chip. When the EASBit is

disabled, the Reader/Writer will not return a response to the EAS Check Command (EA).

STX

Node No..

Command code

“ES”

Setting ETX BCC

1 2 2 2 1 1

Setting Specification range：00to01

00:EAS enabled

01:EASdisabled

STX Node No..

Retry

flag

Command code

“ES”

Response

code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：The relative commands are set in offline mode (refer to 5-7-12 FL Command). This command is

for I.CODE1 mode Only. The command is not available in ISO mode.

5-5-6 QuietBit Setting (QB): I.CODE1 Mode only

This command sets QuietBit of a Tag incorporating I.CODE1 chip. If you enable this bit, a Tag

ceases to return a response to any command (excluding the EAS Command).

STX

Node No..

Command code

“QB”

Setting ETX BCC

1 2 2 2 1 1

Setting Specification range:00h to 01h

00: Disable QuietBit

01: Enable QuietBit

STX Node No..

Retry

flag

Command

code

“QB”

Response

code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：This command is for I.CODE1 Mode Only. The command is not available in ISO mode.

5-5 System Command 5-5

5-45

5-5-7 Lock Setting (LK): ISO Mode

This command is used to set and check the write-protection of Tags incorporating I.CODE1 chip.

A Tag can be locked (or write-protected) by memory page.

STX

Node No..

Command code

“LK”

Tag

type

First lock page lock

No. of pages

ETX BCC

1 2 2 1 2 2 1 1

Tag type Specifies Tag type.

A: I.CODE SLI chip

First lock page

Specifies the first page to be locked in hexadecimal.

Specification range: 00 to FFh

* For details, refer to 2-4 Memory Map of Tag.

No. of lock pages

Specifies the first lock page t in hexadecimal.

Specification range: 01h to 1Ch

STX Node No.. Retry

flag

Command code

“LK”

Response

code

“00”

ETX BCC

1 2 1 2 2 1 1

Response code 00:normal completion

For other response codes, refer to 5-3-7 Response code List.

(Important) Precautions on the Lock function

Be careful that once a lock is set, the lock cannot be cleared.

：This command is for ISO mode Only. The command is not available in I.CODE1 mode, refer to

5-5-9.

5-5 System Command 5-5

5-46

5-5-8 Lock Setting Read (LR): ISO Mode only

This command reads lock setting information of a Tag incorporating I.CODE SLI chip.

STX

Node No..

Command code

“LR”

Tag

type

First lock page No. of lock

pages

ETX BCC

1 2 2 1 2 2 1 1

Tag type Specifies Tag type.

A: I.CODE SLI chip

First lock page

Specifies the first page, which reads lock information, in hexadecimal.

Specification range: 00 to FFh （I.CODE SLI chip: 00 to 1Bh）

*Refer to SECTION 2-4 Memory Map of Tag for details.

No. of lock pages

Specifies the number of pages, from which reads lock information, in

hexadecimal.

Specification range: 01h to FFh （I.CODE SLI chip: 01 to 1Ch）

STX Node No.. Retry

flag

Command code

“LR”

Respons

code

“00”

Lock Information

ETX BCC

1 2 1 2 2

No. of lock pages

1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Lock information Indicates lock information having read from Tag.

Locked:”01”

Not locked :”00”

The number of characters of the data: “read pages x 2.

： This command is for ISO Mode Only. The command is not available in I.CODE1mode.

5-5 System Command 5-5

5-47

5-5-9 Lock Setting (LK): I.CODE1 Mode

This command is used to set and check the lock (write-protection) of Tags incorporating

I.CODE1 chip. A Tag can be locked (or write-protected) by memory page. To read lock

information set in a Tag, set all lock information in the commands to 0.

STX

Node No..

Command code

“LK”

Lock setting ETX BCC

1 2 2 4 1 1

Lock setting

Set the bit corresponding to the page you want to lock to 1. *See the

table below.

Set all lock settings to 0 to read the lock information in a Tag.

* The lock information for each page is represented by a 1-bit datum.

Lock setting

b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0

Page

E Q

A U

S I

Write

protect

AI: Application ID FC: Family Code

STX Node No.. Retry

flag

Command code

“LK”

Response

code

“00”

Lock setting Information ETX BCC

1 2 1 2 2 4 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Lock setting

Information

Indicates lock information set in a Tag.

Description: This is an example of command and response when locking pages 1, 3, 7, and 8 in a Tag in

which page 10 has already been locked. This example does not include STX, ETX, BCC,

and the node number. The lock setting in the response included information concerning

the pages that have already been locked.

Command: LK3140

Response: LK00B143

：SNR (Tag-specific code) is locked at factory. SNR 2 bit in the lock setting in the response is

always on.

(Important) Precautions on the Lock function

Use utmost care when using the LK Command because once a page has been locked, it cannot be

unlocked. It is strongly recommended that you use a system command to lock a page rather than using

this command.

：This command is for I.CODE1 Mode Only. The command is not available in ISO mode, refer to

5-5-7.

5-5 System Command 5-5

5-48

5-5-10 EAS Check (EA)

This command transmits the EAS command continuously and returns the percentage of data

that matches the EAS response code.

1)In ISO mode

STX

Node No..

Command code

“EA”

Tag

type

ETX BCC

1 2 2 1 1 1

2)In I.CODE1 mode

STX

Node No..

Command code

“EA”

ETX BCC

1 2 2 1 1

Tag type

（ISO mode）

Specifies Tag type.

A: I.CODE SLI chip

* Not added in I.CODE1 mode.

STX Node No..

Retry

flag

Command code

“EA”

Response

code

“00”

Ratio ETX BCC

1 2 1 2 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Ratio Indicates the ratio of data that matches the EAS response code in

hexadecimal.

(00h to 64h[%])

How to use properly

1) In some cases, this command will not indicate 0% even though there are no Tags. Be sure take this

into account when determining the presence or absence of Tags.

2) The EAS Check Command works as a repeat command. After this command is sent once, only a

response will be returned. To discontinue transmission of this command, you need to use the Stop

Command (refer to ST Command in 5-6-1).

5-6 Reader/Writer Control Commands 5-6

5-49

5-6-1 Stop (ST)

Stop (ST) Stop command terminates Auto mode, Repeat mode, EAS check and other command

processings, as well as continued FIFO state after FIFO Access, or Select state after executing

Detection command, returning to the Reader/Writer to a stand-by status to wait for commands.

STX

Node No.

Command

code

"ST"

ETX BCC

1 2 2 1 1

STX Node No.

Retry

flag

Command

code

"ST"

Response

code

"00"

ETX BCC

1 2 1 2 2 1 1

Response code 00: Normal completion

For other response codes, refer to 5-3-7Response Code List.

5-6-2 Reset (XZ)

Reset Command resets the Reader/Writer software. No response is returned for this command.

Other commands are rejected during the software reset process (approximately 2.5 seconds).

STX

Node No.

Command

code

"XZ"

ETX BCC

1 2 2 1 1

5-6-3 ACK(AK)

This command is used during ACK/NACK control to inform the Reader/Writer that the host device

normally received a response from the Reader/Writer. There is no response if this command is used in

ACK/NACK control, but if the Reader/Writer is not waiting to receive ACK/NACK signals, an error will

occur when the command is received. Refer to SECTION 5-1-3 ACK/NACK Control for details.

STX

Node No.

Command

code

"AK"

ETX BCC

1 2 2 1 1

5-6-4 NACK(NK)

This command is used during ACK/NACK control to inform the Reader/Writer that the host device did not

normally receive a response from the Reader/Writer. When the Reader/Writer receives a NACK command,

the previous response is retried provided that the maximum number of retries (9) has not been exceeded.

If the Reader/Writer is not waiting to receive ACK/NACK signals, an error will occur when the

command is received. Refer to SECTION 5-1-3 ACK/NACK Control for details.

STX

Node No.

Command

code

"NK"

ETX BCC

1 2 2 1 1

5-6 Reader/Writer Control Commands 5-6

5-50

5-6-5 I/O Control Command (CC)

This command changes the state of the user output terminals (OUT1 to OUT4) and reads the state of the

user input terminals (IN1 to IN3).

STX

Node No.

Command

code

"CC"

OUT

ETX BCC

1 2 2 1 1 1 1 1 1

OUT1to OUT4

The state of an output is designated in hexadecimal.

Specification range: 0 to 1 (1: ON / 0: OFF)

When * is specified, the Reader/Writer reads the state of a terminal.

STX

Node No.

Retry

flag

Command

code

"CC"

Response

code

"00"

OUT

ETX BCC

1 2 1 2 2 1 1 1 1 1 1 1 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

OUT1 to OUT4 Indicates the state of the output.

1: ON, 0: OFF

IN1 to IN3 Indicates the state of the input.

1: ON, 0: OFF

5-6-6 Test (TS)

This command returns test messages sent from the host with no change made. The test

command is used for testing communications between the host and the Reader/Writer and

other purposes.

STX

Node No.

Command

code

"TS"

Test message ETX BCC

1 2 2 1 1

Test message The number of characters from 0 up to 64 max is available.

STX Node No.

Retry

flag

Command

code

"TS"

Response

code

"00"

Test message ETX BCC

1 2 1 2 2 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Test message Returns the test message received using commands.

5-6 Reader/Writer Control Commands 5-6

5-51

5-6-7 Version (VS)

This command reads the software version for the Reader/Writer.

STX

Node No.

Command

code

"VS"

ETX BCC

1 2 2 1 1

STX Node No.

Retry

flag

Command

code

"VS"

Response

code

"00"

Software version ETX BCC

1 2 1 2 2 4 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

5-7 Setting Command 5-7

5-52

5-7-1 Reader/Writer AFI Enable/Disable Changeover (AE): ISO Mode only

In ISO mode, you must set AFI of the Reader/Writer either enable or disable when communicating with a

Tag. If you set AFI enable, only Tags, which has the same AFI, can be communicated. When you set AFI

disable, the communications are enabled no matter AFI in Reader/Writer is set or not.

STX

Node No..

Command code

“AE”

AFI

Setting

ETX BCC

1 2 2 1 1 1

AFI

enable/disable

Specifies either valid or invalid of AFI setting in Reader/Writer.

0: disabled (factory setting)

1: enabled

For “*”, the Reader/Writer reads and writes current settings.

STX Node No..

Retry

flag

Command code

“AE”

Response

code

“00”

AFI

Setting

ETX BCC

1 2 1 2 2 1 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

AFI valid/invalid Indicates valid/invalid of AFI in hexadecimal.

：・A setting becomes valid after executing Reset Command(XZ). To keep the setting valid next

startup, you need to save with Setting Write Command(EW).

・This command is for ISO Mode Only. The command is not available in I.CODE1 mode.

5-7-2 Reader/Writer AFI Value setting (AF): ISO Mode only

In ISO mode, you must set and read AFI of the Reader/Writer. When you set AFI enable, only Tags, which

has the same AFI, can be communicated. When the setting is “00”, the communications are enabled.

STX

Node No..

Command code

“AF”

AFI

ETX BCC

1 2 2 1 1 1

Specifies AFI in hexadecimal.

Specification range:00h to FFh (factory setting “00”)

For “**”, the Reader/Writer reads and writes current setting of AFI.

STX Node No..

Retry

flag

Command code

“AF”

Response

code

“00”

AFI

ETX BCC

1 2 1 2 2 1 1 1

Response code

00: normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

AFI Specifies AFI in hexadecimal.

：・A setting becomes valid after executing Reset Command. To keep the setting valid next

startup, you need to save with Setting Write Command (EW).

・This command is for ISO Mode Only. The command is not available in I.CODE1 mode.

5-7 Setting Command 5-7

5-53

5-7-3 Reader/Writer Family Code Setting (FC): I.CODE1 Mode

The FC Command is used to set or read the Family Code in the Reader/Writer. Only Tags that have the

same Family Code as the one set by this command can perform communications. If this Family Code is set

to 00, communications will be possible with all Tags. The default set value of the Reader/Writer is 00.

STX

Node No..

Command code

“FC”

Family

Code

ETX BCC

1 2 2 2 1 1

Family Code The Family Code is designated in hexadecimal.

Specification range: 00h to FFh (factory setting: ”00”）

When the Family Code set to " ," the Family Code currently set in the

Reader/Writer will be read.

STX Node No..

Retry

flag

Command code

“FC”

Response

code

“00”

Family

Code

ETX BCC

1 2 1 2 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Family Code Indicates current Family Code in hexadecimal.

：・A setting becomes valid after executing Reset Command(XZ). To keep the setting valid next

startup, you need to save with Setting Write Command (EW).

・This command is for I.CODE1 Mode Only. The command is not available in ISO mode.

5-7-4 Reader/Writer Application ID Setting (AI): I.CODE1 Mode

This Command is used to set or read and read the application ID in the Reader/Writer in 1.CODE1 Mode

Only Tags that have the same application ID as the one set by this command can perform communications.

If the application ID in the Reader/Writer is set to 00, communications will be possible with all Tags.

STX

Node No..

Command code

“AI”

Application

ETX BCC

1 2 2 2 1 1

Application ID

The application ID is designated in hexadecimal.

Specification range: 00h to FFh

When the application ID is set to "**," the application ID currently set in

the Reader/Writer will be read.

STX Node No..

Retry

flag

Command

code

“AI”

Response

code

“00”

Application

ETX BCC

1 2 1 2 2 2 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Application ID

Indicates current Application I in hexadecimal.

：・A setting becomes valid after executing Reset Command(XZ). To keep the setting valid next

startup, you need to save with Setting Write Command(EW).

・This command is for I.CODE1 Mode Only. The command is not available in ISO mode.

5-7 Setting Command 5-7

5-54

5-7-5 UID/ SNR Addition Setting (SN)

This command selects whether SNR will be added to a response to a Read Command

(excluding Special Read).

STX

Node No.

Command

code

"SN"

Additi

mode

ETX BCC

1 2 2 1 1 1

Specify whether SNR will be added to a response.

Setting range: 0 to 1, or *

When * is specified, the Reader/Writer reads the number that is

currently set.

Specification

number

0 1 *

Addition mode

UID(SNR)

addition mode

Disabled Enabled -

STX Node No. Retry

flag

Command

code

"SN"

Response

code:

"00"

Addit

ion

mode

ETX BCC

1 2 1 2 2 1 1 1

Response code: 00: Normal completion

For other response codes, refer to 5-3-7 Response Code List.

addition mode Indicates the number corresponding to the specified addition mode.

STX Node No. Retry

flag

Command

code

"RD"

Response

code:

"00"

Read data ETX BCC

1 2 1 2 2 As specified 1 1

STX Node No. Retry

flag

Command

code

"RD"

Response

code:

"00"

UID(SNR) Read data ETX BCC

1 2 1 2 2 16 As specified 1 1

Response code: 00: Normal completion

For other response codes, refer to 5-3-7 Response Code List.

UID(SNR) Indicates the UID(SNR) read from the Tag.

Read data Indicates the data read from the Tag.

Precautions on using the command in I.CODE1 mode

・SNR is not added to the response for Fast Read Access (U□) even though UID/SNR addition setting is

enabled.

・The correct SNR value is not returned as a response by the Tag Designation Command even though

UID/SNR addition setting is enabled. The setting must be disabled or data in SNR area must be

ignored.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-55

5-7-6 Node Number Setting(NN)

This command sets and reads the node number of the Reader/Writer.

STX

Node No.

Command

code

"NN"

Node number

change

specification

ETX BCC

1 2 2 2 1 1

Node number

change

specification

Specifies the node number in decimal that you want to change.

Specification range: 00 to 31, **

When “**” is specified, the Reader/Writer reads the current setting.

STX Node No. Retry

flag

Command

code

"NN"

Response

code

"00"

Node number ETX BCC

1 2 1 2 2 2 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Node number Indicates the specified node number in decimal.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-56

5-7-7 Communications Port Setting(CP)

This command sets the baud rate for the communications port (Com Port), data length, parity

bit, and stop bit for use in communications with the host.

STX

Node No.

Command

code

"CP"

Port

No.

Baud

rate

Data

length

Parit

y bit

Stop

bit

BCC

Enabled

/Disable

ACK

NAC

time

out

ETX BCC

1 2 2 1 1 1 1 1 1 1 1 1 1

Specify the port number that you want to change in decimal.

Specification range: １ or 2

Specification number 1 2

Port No.

Port COM1 COM2

Specify the number corresponding to the baud rate that you want to change.

Specification range: 0 to 3, *

When * is specified, the Reader/Writer reads the current setting.

Specified

number 0 1 2 3 *

Baud rate

Baud rate 9600 bps 19200 bps 38400 bps 115200 bps -

Specify the number corresponding to the data length that you want to change.

Specification range: 0, 1, *

When * is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

Data length

Data length 7Bit 8Bit -

Specify the number corresponding to the parity bit that you want to change.

Specification range: 0, 1, 2, *

When * is specified, the Reader/Writer reads the current setting.

Specification

number 0 1 2 *

Parity bit

Parity No Odd Even -

Specify the number corresponding to the stop bit that you want to change.

Specification range: 0, 1, *

When * is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

Stop bit

Stop bit 1 bit 2 bits -

Specify the number corresponding to the BCC setting that you want to change.

Specification range: 0, 1, *

When * is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

BCC

Enabled/Disabled

BCC Disabled Enabled -

Specify the number corresponding to the communications mode that you want to change.

Specification range: 0, 1, *

When * is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

ACK/NACK

ACK/NACK Control Disabled Enabled -

Specify the number corresponding to the timeout period that you want to change.

Specification range: 0, 1, *

When * is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

Timeout

ACK/NACK timeout

period setting

Timeout period 0.5 sec 5 sec -

5-7 Setting Command 5-7

5-57

STX

Node No.

Retry

flag

Command

code

"CP"

Response

code:

"00"

Port

No.

Baud

rate

Data

length

Parity

bit

Stop

bit

BCC

Enabled

/Disabled

ACK

NACK

Time

out

ETX BCC

1 2 1 2 2 1 1 1 1 1 1 1 1 1 1

Response code: 00: Normal completion

For other Response Codes, refer to Response Code List.

Port No. Indicates the number corresponding to the specified terminal resistance.

Baud rate Indicates the number corresponding to the specified baud rate.

Data length Indicates the number corresponding to the specified data length.

Parity bit Indicates the number corresponding to the specified parity bit.

Stop bit Indicates the number corresponding to the specified stop bit.

BCC

Enabled/Disabled

Indicates the number corresponding to the specified BCC setting.

ACK/NACK Indicates the number corresponding to the specified control mode.

Timeout Indicates the number corresponding to the specified timeout period.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-58

5-7-8 Communications Type Setting (CT)

This command selects whether COM1 will be used as RS-232C or RS-485.

STX

Node No.

Command

code

"CT"

Commni

cations

type

ETX BCC

1 2 2 1 1 1

Specify the number corresponding to the communications type that

you want to select.

Specification range: 0, 1, *

When “*” is specified, the Reader/Writer reads the current setting.

Specification

number

0 1 ＊

Communications

type

Communicati

ons type

RS-232C RS4-85 -

STX Node No. Retry

flag

Command

code

"CT"

Response

code:

"00"

Commun

ications

type

ETX BCC

1 2 1 2 2 1 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Terminal setting Indicates the number corresponding to the specified terminal resistance.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7-9 Tag Communications Mode Setting(CM)

This command sets and reads the communications mode for use in communications with Tags.

STX

Node No.

Command

code

"CM"

Commni

cations

mode

ETX BCC

1 2 2 1 1 1

Specify the number corresponding to the communications mode that

you want to select for communications with Tags.

Specification range: 0, 1, *

When “*” is specified, the Reader/Writer reads the current setting.

Specification

number

0 1 ＊

Communicatio

ns mode

Tag

communications

mode

Standard

Mode

Fast Mode -

STX Node No. Retry

flag

Command

code

"CM"

Response

code:

"00"

Communi

cations

mode

ETX BCC

1 2 1 2 2 1 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Communications

mode

Indicates the number corresponding to the specified terminal

resistance.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-59

5-7-10 Antenna Changeover(AC)

This command selects whether the receiving function of each antenna will be enabled or

disabled.

STX

Node No.

Command

code

"AC"

Antenna

selection

ETX BCC

1 2 2 1 1 1

Specify the number corresponding to how TX/RX ANT and RX ANT

will be used.

Setting range: 0 to 3, or *

When “*” is specified, the Reader/Writer reads the current setting.

Setting 0 1 2 3 *

TX/RX

ANT Disabled Enabled Disabled Enabled -

Antenna

selection

RX ANT Disabled Disabled Enabled Enabled -

STX Node No. Retry

flag

Command

code

"AC"

Response

code:

"00"

ETX BCC

1 2 1 2 2 1 1

Response code: 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Antenna selection Indicates the number corresponding to the specified antenna selection.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

・This setting enables or disables the receiving circuit of each antenna. Therefore. if TX/RX

ANT (transmitting/receiving antenna) is disabled by this setting, the antenna can perform

transmission only.

5-7-11 Terminal Resistance Setting (TM)

This command sets and reads the terminal resistance (for RS-485).

STX

Node No.

Command

code

"TM"

Terminal

specification

ETX BCC

1 2 2 1 1 1

Specify the value, 0 or 1, that corresponds to the terminal resistance that

you want to change.

Specification range: 0, 1, or *

When “*” is specified, the Reader/Writer reads the current setting.

Specification number 0 1 *

Terminal

specification

OFF ON -

STX Node No. Retry

flag

Command

code

"TM"

Response

code

"00"

Terminal

setting

ETX BCC

1 2 1 2 2 1 1 1

Response code 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Terminal setting Indicates the setting corresponding to the specified terminal resistance

in decimal.

：・The setting is enabled after reset by the Reset Command(XZ). To enable the setting forthe

next start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-60

5-7-12 Offline Mode Setting (FL)

This command selects whether the Reader/Writer will start in online mode or offline mode.

When offline mode is selected, the Reader/Writer will perform EAS check independent of the

host, and output a signal from the output port (OUT1) if the result exceeds the specified

criterion.

STX Node No. Command

code

"FL"

On/OFF

mode

Time Threshold ETX BCC

1 2 2 1 2 2 1 1

Specify the number corresponding to the mode in which the

Reader/Writer will start.

Specification range: 0, 1, *

When “* “is specified, the Reader/Writer reads the current setting.

Specification

number

0 1 *

On/OFF mode

On/OFF mode Online mode Offline mode -

Time (*100ms) Specify the length of time in HEX for which the signal will be output to

OUT1 in offline mode.

Specification range: 01 to FFh (100ms to 22.5s)

When “**” is specified, the Reader/Writer reads the current setting.

Threshold (%) Specify the threshold in HEX to be output to OUT1 in offline mode.

Specification range: 00h to 64h (%)

(Refer to EAS Check Command.)

When “**” is specified, the Reader/Writer reads the current setting.

STX Node No. Retry

flag

Command

code

"FL"

Response

code:

"00"

On/OFF

mode

Time Threshold ETX BCC

1 2 1 2 2 1 2 2 1 1

Response code: 00: Normal completion

For other response codes, refer to 5-3-7 Response Code List.

On/OFF mode Indicates the number corresponding to the specified On/Off mode.

Time Indicates the time corresponding to the specified On/Off mode.

Threshold Indicates the criterion corresponding to the specified On/Off mode.

Notes on the execution of Offline Mode Setting Command

● The setting is enabled after reset by Reset Command (XZ).

● To enable the setting at the next startup, the setting must be saved in the non-volatile memory

(EEPROM) on the Reader/Writer using Set Value Writing (EW).

● To enable EAS on the Tag, use System Write (SW) in ISO Mode, or EAS Setting (ES) in I.CODE1

Mode. The command related to this is the EAS Setting(ES) and EAS Check(EA).

5-7 Setting Command 5-7

5-61

5-7-13 Set Value Initialization (IS)

If necessary, you can return all the settings to their factory settings.

STX

Node No.

Command

code

"IS"

ETX BCC

1 2 2 1 1

STX Node No. Retry

flag

Command

code

"IS"

Response

code:

"00"

ETX BCC

1 2 1 2 2 1 1

Response code: 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

・The factory defaults vary, depending on the software version. The difference must be taken into

account when executing the command.

・The factory defaults vary, depending on the software version. The difference must be taken into

account when executing the command.

5-7-14 Set Value Writing (EW)

This command is executed to keep the settings made by the commands after recovering the

power of the Reader/Writer.

STX

Node No.

Command

code

"EW"

ETX BCC

1 2 2 1 1

STX Node No. Retry

flag

Command

code

"EW"

Response

code:

"00"

ETX BCC

1 2 1 2 2 1 1

Response code: 00: Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

：・On successful completion of this command, the settings are written to the

nonvolatile memory (EEPROM) of the Reader/Writer. Once the EW command has been

executed, all the settings made up to this point in time are written to the nonvolatile memory,

thereby eliminating the need to execute this command every time you make a setting.

・If Set Value Writing (EW) is not executed, the value specified will be reset to original value at

the next start-up.

5-7 Setting Command 5-7

5-62

5-7-15 Chip Operating Mode Switch (TY)

This command changes the operating mode (ISO/I.CODE1) of the Reader/Writer.

STX

Node No..

Command code

“TY”

Tag

type

ETX BCC

1 2 2 1 1 1

Tag type Specifies the mode.

0: I.CODE1 mode

1: ISO mode

When the Operating Mode is set to "**," the Operating Mode currently

set in the Reader/Writer will be read.

STX Node No..

Retry

flag

Command code

“TY”

Response

code

“00”

Tag

type

ETX BCC

1 2 1 2 2 1 1 1

Response code 00:normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Tag type Specifies the mode.

： The setting is enabled after reset by the Reset Command. To enable the setting forthe next

start-up, the setting must be saved by Set Value Writing (EW).

5-7 Setting Command 5-7

5-63

5-7-16 Duplicate Communication Protecting Function setting (MX)

This command specifies the enabled/disabled state of the duplicate communication protecting

function and the number of tables in the enabled state. When the function is enabled, the Tag

is read only once at the execution of a command with FIFO Repeat (FR), Multiple Trigger, or

Multiple Repeat (MR, UR [I.CODE1 mode]) options. Refer to SECTION 3-8 for the details of

the function.

STX

Node No. Command

code

MX”

Number

of tables

Extension

“0”

ETX BCC

1 2 2 1 1 1 1

Specifies the enabled/disabled state of the duplicate communication protecting

function and the number of tables used to record UID/SNR in the enabled state.

Specifying 0 for the number of tables disables the function. Specification range: 0

to 8 (Factory default: 0 - disabled)

When * is specified, the currently specified value is read.

Value “0” “1” “2” “3” “4” “5” “6” “7” “8”

Number of tables

Specified

number

Disa

bled

1 4 8 16 32 64 128 256

Extension The number specified for an extension, always specify 0.

STX Node No. Retry

Flag

Command

code

MX”

Response

Code

00

Number

of tables

Extension

“0”

ETX BCC

1 2 1 2 2 1 1 1 1

Response Code 00:Normal completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Number of tables Number of tables specified extension.

Extension The Extension number specified 0 is always returned.

：・The setting is enabled after reset by the Reset Command. To enable the setting at the next

start-up, the setting must be saved by Set Value Writing command (EW).

・For the number of tables, specify the closest number above the maximum number of Tags that

coesxist in the communication area of the antenna used.

・In executing the command in I.CODE1 Mode with UR option, fix FB for the start page, and

specify the number 2 and greater for the number of pages. Specifying other than thsese values

results in command error (Code: 14).

Example: To read the pages from FB to 01, [STX]00RDURH2FB07[ETX][BCC]

5-7 Setting Command 5-7

5-64

5-7-17 I/O Automatic Changeover setting (CA)

This function alternately turns the output terminals (OUT3 and OUT4) ON and OFF for

Multiple Repeat and EAS. Check commands every time the command is issued. This is used to

switch multiple antennas automatically.

Enable the function when a special antenna that requires this function is used. Otherwise,

disable the function.

STX

Node No. Command

code

CA”

Output ETX BCC

1 2 2 1 1 1

Specifies the enabled/disabled state of the output signal.

Specification range: 0,1, (Factory default: 0)

When * is specified, the currently specified value is read.

Specified number 0 1 ＊

Output

Disabled Enabled -

STX Node No. Retry

flag

Command

code

CA”

Response

Code

00

Output ETX BCC

1 2 1 2 2 1 1 1

Response Code 00:Normal Completion

For other Response Codes, refer to SECTION 5-3-7 Response Code List.

Output Output value Displays the specified output value.

：・The setting is enabled after reset by the Reset Command. To enable the setting at the next

start-up, the setting must be saved by Set Value Writing (EW).

・Alternately, the OUT3 and OUT4 on the Reader/Writer are turned ON and OFF.

・This function is applied only for Multiple Repeat read and EAS check (and offline EAS check)

command in ISO mode, and EAS check (and offline EAS check) command in I.CODE1 Mode.

The function is not activated by other commands.

・When the function is enabled, the control of OUT3 and OUT4 by I/O Control Command (CC) is

unavailable. To control OUT1 and OUT2, specify * for the OUT3 and OUT4 values.

Example) When OUT1:ON, OUT2:OFF, Note No. 00 [STX]00CC10**[ETX][BCC]

5-8 Other commands 5-8

5-65

5-8-1 Command Undefined Response

When the Reader/Writer receives a command code which is not on the command list, the

Reader/Writer returns the Command Undefined Response.

STX Node No.. Retry

flag

Command

code“IC”

ETX BCC

1 2 1 2 1 1

5-9 Command Connection: I.CODE1 Mode only 5-9

5-66

This Command Connection works in I.CODE1 Mode Only, and does not support ISO Mode.

A command connection function allows the Reader/Writer to perform a pair of read and write operations

at a time by sending a command only once.

Any of the following six commands can be paired.

• Read (RD) This excludes Special Read.

• Write (WT)

• Polling Single Auto Read (PR)

• Polling Single Auto Write (PW)

• Memory Check (MC)

• Memory Calculation (MK)

Example of command connection

In a command connection function, a single STX, Node No., BCC and ETX are shared each, and connected

to each other using "+."

STX Node No..

Command

(1)

Fixed

“+”

Command

(2)

ETX BCC

1 2 1 1 1

(1) When completed successfully

STX Node No..

Retry

flag

Response

(1)

Fixed

“+”

Response

(2)

ETX BCC

1 2 1 1 1 1

(2) When completed unsuccessfully

When a command has not completed successfully, the command code of the command (1) and a

response code are returned.

STX Node No..

Retry

flag

Command

(1) Code

Response

code

ETX BCC

1 2 1 2 2 1 1

5-9 Command Connection: I.CODE1 Mode only 5-9

5-67

The Following Combinations of Command Connections Are Possible.

Command (1)

Read

（RD）

Write

（WT）

Memory

Calculati

（MK）

Memory

check

（MC）

Polling

read

（PR）

Polling

write

（PW）

Read（RD） 9 9 − − − −

Write（WT） 9 9 − − − −

Memory

Calculation

（MK） − 9 − − − −

Memory check

（MC） 9 − − − − −

Polling read

（PR） − − − − 9 9

Command

（2）

Polling write

（PW） − − − − 9 9

(: Command connection is possible;( : Command connection is not possible

Note

1. Communications method

The communications method specified using command (1) is given priority. Single Auto is specified for

Polling commands, and Single Trigger is specified for the memory check and memory calculations.

2. Polling process

If a Polling command is specified as command (1), the Reader/Writer will perform Polling.

3. Tag No. setting

The number of Tag No. setting made using command 1 is given priority.

6-1

SECTION 6

Startup and Full Operation

6-1 Error Types and Diagnostic Functions..............................................................6-2

6-2 Errors and Remedies..........................................................................................6-3

6-3 Maintenance and Inspection..............................................................................6-4

6-4 Troubleshooting..................................................................................................6-6

6-4-1 Check Flowchart...................................................................................................6-6

6-4-2 Check Items for Each Response Code ……………………………………… ……6-10

6-1 Error Types and Diagnostic Functions 6-1

6-2

The Reader/Writer performs a variety of self-diagnostic functions to reduce system downtime in case of an

error. The errors detected by the Reader/Writer are categorized into fatal errors and nonfatal errors.

Fatal Error If the Reader/Writer main unit or hardware fails, the CPU operation is interrupted and the

ERROR LED is turned on or flashed.

●CPU error

Detects the CPU operation error using the watch dog timer (W.D.T.)

●Memory error

Checks if data is read from or written onto the internal memory normally when the power is on.

Nonfatal error When an error occurs during communications between the Reader/Writer and the host, or the

antenna and Tag, the ERROR LED is turned on.

●Communication error

Checks for the errors in the communication processing sequence, frame, check code, and data at the execution of a command. The

error code corresponding to each error, is returned to the host as the response. (Error code:1□)

●Host communication error

Checks for the errors in the communication processing sequence of the command data, frame, check code, and data at the reception

of a command. The error code corresponding to each error is returned to the host as the response. (Error code:7□)

●System error

Checks that the command processing functions (EEPROM, communication circuit, etc.) are normal at the execution of a command.

The error code corresponding to each error is returned to the host as the response. If the error occurs repeatedly, the device needs

repair. (Error code:7C, 93)

●Set value error

Checks that set data concerning the operating environment on the EEPROM in the main unit is not corrupted.. Checks for errors at

power on, and if the error(s) are detected, operates in Online Mode with the factory default settings. The operating environment is

regained by setting the operating conditions once again.

■LED states in each condition

Indicator Item RUN COMM NORM ERROR

Awaiting command ○ ● ● ●

Communicating with Tag/ Offline mode ○ ○／ ● ●

Normal operation

Normal completion of communications with Tag ○ ● ○ ●

CPU error ● ● ● ○

Fatal error Memory error ● ● ●

Communications error ○ ● ● ○

Host communications error ○ ● ● ○

System error ○ ● ● ○

Nonfatal error

Setting error※ ○ ● ●

○：ON, ●：OFF, ：Flashing

* The LED-lit state for the set value error is retained until the next command has been executed.

: During the communication with Tags in Online Mode, the COMM LED is lit in the software versions 1.20 and higher, or

flashes in versions 1.10 and lower.

6-2 Errors and Remedies 6-2

6-3

The following are considered to be main causes of system breakdowns.

• Noise Interference.......................................Take appropriate countermeasures against noise.

• Failures in any of the external devices

• Failures in the Reader/Writer

• Failures in the Antenna

• Failures in the cable

• Failures in any of the Tags

• Others

■Noise Interference If the system malfunctions due to noise, refer to the following and take appropriate

countermeasures.

No. Circumstance of

failure Probably cause Remedy

1 An instantaneous voltage drop due

to inrush current to the heavy load. Increase the capacity of the power supply and

that of the power cable.

Occurs when a

heavy-duty motor,

transformer, or

capacitor is turned ON. Common mode noise caused by the

above cause. Provide the power through a 1-to1non-grounded

insulating transformer.

Independently ground the Reader/Writer at a

resistance less than 100 ohm.

2 Occurs irregularly

Noise on power line Provide the power through a 1-to-1

non-grounded insulating transformer or noise

filter.

Independently ground the Reader/Writer at a

resistance less than 100 ohm.

Noise propagated through space

1. When a power circuit, power

wire, or other signal wires for the

devices are located near the

antenna.

2. When a driving system such as

an inverter or motor is located

nearby.

3. When a power unit such as a

switching power source is located

nearby.

1. Place the power circuit, power wire, or other

signal wires for the devices as far away from the

antenna as possible.

Be sure to wire antenna cables separately from

other cables. Shield the power circuit, power

wire, or signal wires for other devices.

2. Be sure to ground the unit of the driving

system. Place the unit as far away from the

antenna as possible.

3. Be sure to ground the power unit. Place the

unit as far away from the antenna as possible.

More than one V720-series

Antenna When operating more than one V720-series

Antenna, provide a sufficient clearance between

the Antennas.

Refer to the instruction manual for your

antenna for details.

Improvement of grounding Remedy for power noise

Repairs are required.

Other

equipmen Reader/Writer

Reader/Writer

Other

equipment

Reader/Writer

Use twisted - pair wires.

Do not install them in parallel

with other power lines.

Line filter

+24 VDC

0 V

connecting to

a ground of

100 ohm or less

6-3 Maintenance and Inspection 6-3

6-4

The V720 Series must be inspected on a daily or regular basis so that the functions of the V720

Series can be used in good condition.

The V720 Series consists of semiconductors that last almost indefinitely. The following

malfunctions may, however, result due to the operating environment and conditions.

(1) Element deterioration due to overvoltage or overcurrent.

(2) Element deterioration due to continuous stress caused by high ambient temperature.

(3) Connector contact faults or insulation deterioration due to humidity and dust.

(4) Connector contact faults or element corrosion due to corrosive gas.

 Item

. Item Detail Criteria Remarks

1 (1) Check that the supply voltage

fluctuation at the power supply

terminal block is within the

permissible range.

Supply voltage rating Voltage tester

Supply voltage fluctuation

(2) Check that there is no frequent

instantaneous power failures or

radical voltage drops.

Within permissible voltage

fluctuation range Power supply

analyzer

2 Environment

a. Ambient temperature

b. Ambient humidity

c. Vibration and shock

d. Dust

e. Corrosive gas

a. Check that the ambient

temperature is within the specified

range.

b. Check that the humidity is within

the specified range.

c. Check that no vibration or shock is

transmitted from any machines.

d. Check that the system is free of

adherence or accumulation of dust

or foreign matter.

e. Check that no metal part of the

system is discolored or corroded.

a. Check that the ambient

temperature is within the

specified range.

b. Check that the humidity is

within the specified range.

c. Check that the ambient

temperature and humidity

are within the specified

ranges.

d. Check that there is no dust

or foreign matter.

e. Check that there is no

discoloration or corrosion.

Maximum and

minimum

thermometer

Hygrometer

3 Panel condition

a. Ventilation

b. Packing for any

enclosed construction

a. Check that the system is ventilated

properly with natural ventilation,

forced ventilation, or cooling air.

b. Check that the packing is properly

attached with no damage.

a. The interior temperature

must be within a range

between -10°C and 50°C

with proper ventilation.

b. The packing has no damage.

―

4 I/O power supply

a. Voltage fluctuation

b. Ripple

Check on the I/O terminal block that the

voltage fluctuation and ripple are within

the permissible ranges.

The voltage fluctuation and

ripple must be within the

specified range.

Voltage tester

Oscilloscope

(1) Check that each device is securely

mounted. There must be no loose screws. ―

(2) Check that each connector is

securely connected. Each connector is locked or

securely tightened with screws ―

(3) Check that no screw of the

terminal block is loosened. There must be no loose screws. ―

(4) Check that no wire is broken or

nearly broken. There must be no wire that is

broken or nearly broken. ―

(5) Check that the distance between

the Tag and Antenna is within the

specified range.

The distance between the Tag

and Antenna must be within

the specified range. ―

5 Mounting condition

(6) Check that the GR terminal is

grounded. The terminal must be grounded

to a resistance of 100 ohm or

less. ―

6-4 Troubleshooting 6-4

6-5

6-4-1 Check Flowchart

Use the following main check flowchart to determine the cause of the error.

■Main Check Flowchart

メインチェックフロー

リーダライタは

コマンド待ち状態

ですか？

上位通信は

正常ですか？

タグとの交信は

正常ですか？

YES

「ｼｽﾃﾑ接続ﾁｪｯｸﾌﾛｰ」へ

「上位通信ﾁｪｯｸﾌﾛｰ」へ

「交信ﾁｪｯｸﾌﾛｰ」へ

リーダライタの

故障が考えられます

外部環境は

正常ですか？

YES

NO 「外部環境ﾁｪｯｸﾌﾛｰ」へ

Is the ambient environment

normal?

Go to Host

communications

Check Flowchart

Go to Ambient

Environment Check

Flowchart

Go to Communications

Check Flowchart

Go to System

connection Check

Flowchart

Is the system

connection normal?

Is the host communications

normally?

Is the communications

with tag normal?

Main Check Flowchart

Replace

he Reader/Writer.

6-4 Troubleshooting 6-4

6-6

■System connections check flowchart

Start

re the connectors and

cables connected

properly?

Connect the

connector/cable

erl

Is the specified

voltage applied or

current supplied?

Is Reset input ON?

Apply the specified

voltage or supply the

ecified current.

Turn OFF Reset

Is the RUN LED lit?

Is COMM LED

flashing?

The Reader/Writer

may have failed.

Is ERR LED

flashing?

Cancel the Offline

setting.

Set the Reader/Writer setting

values again and write using

EW Command.

YES

6-4 Troubleshooting 6-4

6-7

■Host communications Check Flowchart

Start

Specify the correct

communication settings

and node ID.

Modify the host program

or replace the host

device.

Error response 7C

Is the host operating

normally?

Issue TS Command

from the host.

The lit NORML LED

or ERR LED is

turned off.

The response has

been received.

YES

re the communication

conditions, command

frame, node ID OK?

re the connector’s pin

assignments for the

communication cables OK?

Correct the pin

assignments of the

connectors.

The Reader/Writer

may have failed.

Refer to section 6-4-2 Check

Items for Each Response Code.

YES

6-4 Troubleshooting 6-4

6-8

■Communications Check Flowchart

Start

Issue Write Command in

Single Trigger mode.

The lit NORML LED

or ERR LED is

turned off.

The response has

been received.

Is the response

normal?

Response Code 7C

The Reader/Writer

may have failed.

Refer to section 6-4-2 Check

Items for Each Response Code.

YES

6-4 Troubleshooting 6-4

6-9

■External Environment Check Flowchart

Refer to section 6-3

Maintenance and Inspection.

Refer to section 6-2 Errors

and Remedies.

Start

e am

noise OK?

Are the operating

conditions working

well?

YES

6-4 Troubleshooting 6-4

6-10

6-4-2 Check Items for Each Response Code

Response Code Primary check items

(Nonresponding

state) ・Are the communication conditions set for the host and the Reader/Writer matched?

Transmission rate, data length, stop bit length, parity (even, odd, none)

・Is the control code (STX/ETX) transmitted properly?

・Are the command node No. and Reader/Writer node No. setting matched?

・Is the Reader/Writer set to Offline mode?

・Is the command issued by the Reader/Writer executable in the state?

Offline mode: Commands are not accepted.

Communication with the Tag in progress: Commands are not accepted.

FIFO mode: Only FIFO Access command is accepted.

Select state: Only Tag Designation command is accepted.

*Stop Command (ST) and Reset Command (XZ) are always executable.

・Is the command issued during the initialization (approximately 2.5 seconds) that follows

power ON or Reset Command execution?

10

11

12

・Are the communication conditions set for the host and the Reader/Writer matched?

Transmission rate, data length, stop bit length, parity (even, odd, none)

・Is there a noise source near the communication cables?

13 ・Is the added BCC correct?

Calculation method, Format (Binary,1byte)

14 ・Is data for each command field correct?

Communication method specified (Types, combination with the commands), specified data,

Tag types, page, written data

・Is the command executable with the Reader/Writer’s chip operating mode (I.CODE1/ISO)

settings?

・Is the simplified number already assigned using Tag designation command? [I.CODE1

Mode]

18 ・Is the command to be issued correct?

・Is the control code (STX/ETX) transmitted correctly?

70 ・Aren’t there multiple Tags present in the communication area? [In Single Access mode]

・Is there any antennas other than the one communicating, nearby?

・Are there any devices or cables that could be a source of noise nearby?

・Is the Tag in the stable communication area?

・Does the Tag stay for a short time in the communication area? (Is it moving fast enough?)

・Is the specified page within the Tag’s memory range?

・Does the Reader/Writer support the Tag?

71 ・Is the Tag re-written exceeding its rewrite cycle?

・Is the write target page locked? [In ICODE1 Mode]

・Does the Reader/Writer support the Tag?

72 ・Is the communication distance between the antenna and Tag appropriate?

・Are there multiple Tags present in the communication area?

・Are chip operating mode and the type of Tag used matched?

・Does the Reader/Writer support the Tag?

79 ・Is the specified page within the Tag’s memory range? [ISO mode - I.CODE SLI]

・Is the write target page locked? [ISO Mode - I.CODE SLI]

7A ・Is the specified page within the Tag’s memory range? [ISO mode]

7C ・If this occurs continuously, the Reader/Writer may fail.

7E ・Is the specified page locked? [ISO Mode]

（IC）・The command code for the command is incorrect.

7-1

SECTION 7

Reference Data

7-1 Turn Around Time and Communication Time........................................................7-2

7-1-1 Communication time in I.CODE1 mode...................................................................7-2

7-1-2 ISO mode - Communication time of I.CODE SLI chip............................................7-4

7-1-3 Turn Around Time (TAT) Calculation Method.........................................................7-6

7-2 Calculating the speed of the Tag.............................................................................7-7

7-1 Turn Around Time and Communication Time 7-1

7-2

In the V720-series Reader/Writer, actual communications with a Tag are performed by reading

or writing four-byte data per page.

• The following chart specifies the TAT (turn-around time) and actual communications time.

• The actual communications time in the following chart is the time required for

communications between the Antenna and Tag, not including communications with the host.

Use this for calculating the speed of the Tag for the execution of auto commands.

Ex.)

7-1-1 Communication time in I.CODE1 mode

（1）Communication time in Single Access Mode

●Fast mode

●Standard Mode

Calculation Formula：I.CODE1 Chip

Actual communications time (msec) N: Number of pages

processed

Communicatio

n time setting Fast mode Standard Mode

Special

reading T = 1.3N + 6.2 T = 1.3N + 43.4

Read T = 1.3N + 12.7 T = 1.3N + 91.6

Write T = 13N +13.5 T = 54.2N + 90.0

Command Response

ctual

communications time

2 0

6 0

1 2 0

(

)

Number of pages processed

2 3 4 5 6 7 8 9 10 11

1 6 0

Writing

Reading

Special reading

100

120

140

180

ctual

communicat

ions time

(ms)

Number of pages processed

2 3 4 5 6 7 8 9 1

0 1

160

Writing

Reading

Special reading

1 0 0

2 0 0

4 0 0

5 0 0

8 0 0

Number of pages processed

2 3 4 5 6 7 8 9 10 11

Writing

Reading

Special reading

TAT(ms)

100

200

300

400

500

600

700

800

ctual

communicati

ons time

(ms)

Number of pages processed

23456 7 8 9 1

0 11

Writing

Reading

Special reading

7-1 Turn Around Time and Communication Time 7-1

7-3

：・ The provided TAT graph data shows an example in which the V720S-BC5D4A Controller is used with the

following communications specifications for host communications: Data is continuously sent with no

space between characters, at a baud rate of 38,400 bps, in a data length of 7 bits with 1 start bit, 2 stop

bits and even parity . The number of bytes in case ASCII are specified as the data code.

・The transmission rate of the Tag is set in Fast Mode as factory default.

（2）Communication time in

Multiple modes:

The communication time when the commands with multiple access options

are used varies depending on operating conditions. Those conditions

include the number of bytes, as well as the number of Tags in the

communication area. The mean values in consideration of these conditions

are shown in the table below.

Example of Multiple Access communication time: I.CODE1 Chip (msec)

2 pages (8 bytes) Read 2 pages (8 bytes) Write

Number of

Tags Tag No.setting Fast Mode Standard Mode Fast Mode Standard Mode

2 1 144 560 190 715

4 2 301 917 378 1139

8 3 644 1659 784 2016

16 4 1391 3239 1656 3867

：The transmission rate of the Tag is set in Fast Mode as factory default.

7-1 Turn Around Time and Communication Time 7-1

7-4

7-1-2 ISO mode - Communication time of I.CODE SLI chip

（1）Communication time in Single Access Mode

● Fast mode

●Standard mode

Calculation Formula：I.CODE SLI Chip

Actual communications time (msec) N: Number of pages processed

Communicatio

n time setting Fast mode Standard Mode

Read T = 1.3N + 18.0 T = 1.3N +104

Write T = 13N +18.0 T = 90N + 105

：・ The provided TAT graph data shows an example in which the V720S-BC5D4 Controller is used

with the following communications specifications for host communications: Data is continuously

sent with no space between characters, at a baud rate of 38,400 bps, in a data length of 7 bits with

1 start bit, 2 stop bits and even parity . The number of bytes in case ASCII are specified as the

data code.

・ The transmission rate of the Tag is set in Fast Mode as factory default.

(ms)

リード

ライト

100

120

140

160

180

1234567891011

処理ページ数

交信時間

(ms)

リード

ライト

100

120

140

160

180

1234567891011

処理ページ数

TAT

(ms)

リード

ライト

100

200

300

400

500

600

700

800

900

1000

1100

1200

1234567891011

処理ページ数

交信時間

(ms)

リード

ライト

100

200

300

400

500

600

700

800

900

1000

1100

1200

1234567891011

処理ページ数

TAT

writing

Reading

writing

Reading

writing

Actual

communica

tions time

(ms)

Actual

communica

tions time

(ms)

Number of pages proceeds

7-1 Turn Around Time and Communication Time 7-1

7-5

（2）Communication time in

Multiple modes:

The communication time when the commands with multiple access options

are used varies depending on operating conditions. Those conditions

include the number of bytes, as well as the number of Tags in the

communication area. The mean values in consideration of these conditions

are shown in the table below.

：The transmission rate of the Tag is set in Fast Mode as factory default.

7-1-3 Turn Around Time (TAT) Calculation Method

Calculation of TAT TAT can be calculated by adding the host communications time to the

actual communications time. The host communications time varies

depending on the communications settings and the codes that you specify.

Example of calculation: when operating in Single Access Mode and Trigger

Mode to read 1 page (4 bytes) data

■Code-specified in ASCII:

The total number of characters is 29, i.e., 15 characters in the command

part and 14 characters in the response part. From this, the host

communications time would be 29 * 11 bits /38400(bps) * 1000 = 8.3 (ms).

The communications time would be14 ms for Fast Mode and 92.9 ms for

Standard Mode. TAT, therefore, would be 8.3 + 14 = 22.3 ms for Fast Mode

and 8.3 + 92.9 = 101.2 ms for Standard Mode.

■Code-specified in HEX:

The total number of characters is 33, i.e., 15 characters in the command

part and 18 characters in the response part. From this, the host

communications time would be 33 * 11 bits /38400(bps) * 1000 = 9.5 (ms).

The communications time would be14 ms for Fast Mode and 92.9 ms for

Standard Mode. TAT, therefore, would be 9.4 + 14 = 23.5 ms for Fast Mode

and 9.4 + 92.9 = 102.4 ms for Standard Mode.

：

・ The provided TAT graph data shows an example in which the V720S-BC5D4

Controller is used with the following communications specifications for host

communications: The data is continuously sent with no space between

characters, at a baud rate of 38,400 bps, in a data length of 7 bits with 1 start bit,

2 stop bits and even parity.

Example of Multiple Access communication

time: I.CODE SLI Chip （msec）

2 pages (8 bytes) to read (ms) 2 pages (8 bytes) to write (ms)

Number of

Tags Fast mode Standard Mode Fast mode Standard Mode

2 115 749 161 1103

4 192 1300 285 2009

8 338 2354 525 3773

16 639 4511 1013 7349

7-2 Calculating the speed of the Tag 7-2

7-6

When communicating with a Tag in motion, select Auto or Repeat for the

communications method.

The maximum speed at which the Tag can travel can be obtained easily,

using the formula below.

D (travel distance in communications

area)

Max. traveling speed = T (communications time) x Safety factor (0.5)

Calculate D from the communications area drawing between the Antenna

and the Tag or from the actual measurement.

：The formula above is for communications with one Tag. Be sure to check

the traveling speed of multiple Tags in advance.

Notes on the passing speed evaluation:

1） As a precaution to ensure minimal noise, the Reader/Writer performs retransmission tests in the event of a

communication error between the Tag and antenna. Since the transmission time is dependent on the noise

conditions in each environment, a transmission test using the actual device must be conducted in advance. The

calculation formula for the communication time does not assume retransmission.

2） The calculation formula above assumes the communication with one Tag. The communication with multiple

Tags in transit must be tested in advance. It cannot be calculated with the formula. The anti-collision

algorithm for the access to multiple Tags is derived from a probability theory; the communication time will

fluctuate depending on how the collisions occur, which means enough time must be allowed for the

communications.

Communications

area

Direction of travel

8-1

SECTION 8

Appendix

Appendix 1 Accessories ....................................................................................................8-2

Appendix 2 JIS8 Code Table (ASCII Code Table) ...........................................................8-3

ppendix 1 Accessories

8-2

Appendix 1 Accessories

No. Name Model Quantit

1) Mounting plate (already

attached to the Reader/Writer) - 2

2) I/O connector plug NJW-2010-PM10 from Nanaboshi Electric Mfg.

Co., Ltd. １

3) Ferrite core ZCAT3035-1330 from TDK 1

＜Description＞

1) Mounting plate (already attached to the Reader/Writer)

Secure the Reader/Writer by using four M6 screws to .

2) I/O connector plug

Use the I/O connector plug under the following conditions:

Outer diameter of the cable to be used φ8.0 to φ11.0.

For detail information for assemble, refer to 4-6-3-1 Assembly of Host Communications Connector and

I/O Connector.

3) Ferrite core

Clamp the ferrite core around the wire near the 100VAC of power supply (S82K-03024 from OMRON

recommended). For attachment method, refer to 4-6-1 “Power Supply and Grounding Wires”.

＜Contact＞

Nanaboshi Electric Mfg. Co., Ltd.

49-15, Kamitakada 1-chome, Nakano-ku,

Tokyo 164-0022

TEL: 03-3386-3181

FAX: 03-3388-1561

＜Contact＞

TDK. Corporation

1-13-1, Nihonbashi, Chuo-ku,

Tokyo, 103-8272

TEL: 03-3278-5111

ppendix 2 JIS8 Code Table (ASCII Code Table)

8-3

High Order

Low Order b8 - b5 0000 0001 0010 0011 0100 0101 0110 0111

b4 - b1 Colum

Row 0 1 2 3 4 5 6 7

0000 0 NUL TC7(DLE) (SP) 0 @ P ` p

0001 1 TC1(SOH) DC1 ! 1 A Q a q

0010 2 TC2(STX) DC2 " 2 B R b r

0011 3 TC3(ETX) DC3 # 3 C S c s

0100 4 TC4(EOT) DC4 $ 4 D T d t

0101 5 TC5(NEQ

) TC8(NAK

) % 5 E U e

0110 6 TC6(ACK) TC9(SYN) & 6 F V f v

0111 7 BEL TC10(ETB

) ' 7 G W g w

1000 8 FE0(BS) CAN ( 8 H X h x

1001 9 FE1(HT) EM ) 9 I Y i y

1010 10 FE2(LF) SUB * : J Z j z

1011 11 FE3(VT) ESC + ; K [ k {

1100 12 FE4(FF) IS4(FS) , < L \ l |

1101 13 FE5(CR) IS3(GS) - = M ] m }

1110 14 S0 IS2(RS) . > N ^ n ~

1111 15 S1 IS1(US) / ? O _ o DEL

：The ASCII code character for the fifth row, line 12 is “ “.

Revision History

A manual revision code appears as a suffix to the catalog number on the front cover of the manual.

SRFM- 002A

Revision code

The following table outlines the changes made to the manual during each revision. Page numbers refer to the

previous version.

Revision code Date Revised content

1 September, 2006 First Edition (New issued for Rohs Directive)

Manual No. SRFM-005A Note: Specifications subject to change without notice. Printed in Japan

Authorized Distributor:

Up-to-date information on RFID Systems can be accessed at OMRON's web site at

http://www.omronrfid.com/

OMRON CORPORATION

RFID BUSINESS DEVELOPMENT DEPARTMENT

14th Fl., Gate City Osaki West Tower

1-11-1 Osaki, Shinagawa-ku,

Tokyo 141-0032 Japan

Tel: (81)3-5435-2016/Fax: (81)3-5435-2017

Regional Headquarters

OMRON ELECTRONICS LLC

1920 Thoreau Drive Suite 165 Schaumburg, IL 60173

U.S.A.

Tel: (1)847-303-0780/Fax: (1)847-925-1260

OMRON EUROPE B.V.

Wegalaan 57, NL-2132 JD Hoofddorp

The Netherlands

Tel: (31)23-568-1200/Fax: (31)23-568-1222

OMRON ASIA PACIFIC PTE. LTD.

83 Clemenceau Avenue,

#11-01, UE Square,

239920 Singapore

Tel: (65)835-3011/Fax: (65)835-2711

OMCC: OMRON (CHINA) CO., LTD.

Rm.302, AZIA Center, 1233 Lujiazui Ring Road

Pudong New Area, Shanghai 200120, PRC.

Tel: (86)21-5888-1666

Fax: (86)21-58888-7633/7933

Omron RFID Business Development Department V720SBC5D4A-US RF ID Reader User Manual

Omron Corporation, RFID Business Development Department RF ID Reader

user manual

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