CAEN RFID srl CAENRFID003 A528 - OEM UHF multiregional Compact Reader User Manual Mod A528 OEM UHF Multiregional compact reader
CAEN RFID srl A528 - OEM UHF multiregional Compact Reader Mod A528 OEM UHF Multiregional compact reader
Contents
- 1. User Manual 1
- 2. User Manual 2
- 3. User Manual 3
- 4. User Manual 4
User Manual 1
Technical
Information
Manual
Mod. A528
2 April 2008
Revision n. 2
OEM UHF
MULTIREGIONAL
COMPACT READER
NPO:
00101/07:A528X.MUTx/02
Federal Communications Commission (FCC) Notice (Preliminary)
This device was tested and found to comply with the limits set forth in Part 15 of the FCC Rules. Operation
is subject to the following conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received including interference that may cause undesired operation.
These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment.
This device generates, uses, and can radiate radio frequency energy. If not installed and used in
accordance with the instruction manual, the product may cause harmful interference to radio
communications. Operation of this product in a residential area is likely to cause harmful interference, in
which case, the user is required to correct the interference at their own expense. The authority to operate
this product is conditioned by the requirements that no modifications be made to the equipment unless the
changes or modifications are expressly approved by CAEN RFID.
© CAEN RFID srl – 2008
Disclaimer
No part of this manual may be reproduced in any form or by any means, electronic, mechanical,
recording, or otherwise, without the prior written permission of CAEN RFID.
Preliminary Product Information: This document contains information for a new product. CAEN RFID
reserves the right to modify this product without notice.
“Preliminary” product information describes products that are ready for production, but for which full characterization
data is not yet available. CAEN RFID believes that the information contained in this document is accurate and reliable.
However, the information is subject to change without notice and is provided “AS IS” without warranty of any kind
(Express or implied). You are advised to obtain the latest version of relevant information to verify, before placing orders,
that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale
supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and
limitation of liability. No responsibility is assumed by CAEN RFID for the use of this information, including use of this
information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third
parties.
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INDEX
1. INTRODUCTION..................................................................................................................................................5
2. MOD. A528 TECHNICAL SPECIFICATIONS .................................................................................................6
2.1. MOD. A528 TECHNICAL SPECIFICATIONS TABLE ..............................................................................................6
2.2. EXTERNAL CONNECTIONS..................................................................................................................................7
2.2.1. A528 Main connector pinout...................................................................................................................8
2.2.2. A528 MAIN connector electrical characteristics .....................................................................................9
2.2.3. Power supply connection........................................................................................................................10
2.2.4. General purpose I/O connections...........................................................................................................10
2.2.5. External reset..........................................................................................................................................11
2.2.6. UART connection....................................................................................................................................12
2.2.7. A528 recovery.........................................................................................................................................12
2.2.8. A528 USB connector pinout..................................................................................................................13
2.2.9. USB connector pinout electrical characteristics...................................................................................14
2.2.10. Antenna port specifications ....................................................................................................................14
2.3. READER – TAG LINK PROFILES ........................................................................................................................15
2.4. HOST COMMUNICATION INTERFACES...............................................................................................................15
2.5. A528 FIRMWARE UPGRADE ............................................................................................................................16
2.5.1. A528 USB Recovery/FW upgrade ..........................................................................................................17
2.5.2. A528 RS232 FW upgrade.......................................................................................................................18
2.5.3. Regulatory Compliance (FCC)...............................................................................................................19
LIST OF FIGURES
FIG. 1-1: MOD. A528 OEM UHF MULTIREGIONAL COMPACT READER.....................................................................5
FIG. 2-1: MOD. A528 TECHNICAL DRAWINGS............................................................................................................7
FIG. 2-2: MOD. A528 POWER SUPPLY CONNECTION.................................................................................................10
FIG. 2-3: MOD. A528 GPIO CONNECTION EXAMPLE ...............................................................................................11
FIG. 2-4: MOD. A528 EXTERNAL RESET...................................................................................................................11
FIG. 2-5: MOD. A528 RS232 CONNECTION .............................................................................................................12
FIG. 2-6: MOD. A528 TST-RECOVERY CONNECTION...............................................................................................13
FIG. 2-7: MOD. A528 USB INTERFACE CONNECTION ..............................................................................................13
FIG. 2-8: MOD. A528 DEBUG SHELL WINDOW .........................................................................................................18
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LIST OF TABLES
TABLE 2.1: MOD. A528 TECHNICAL SPECIFICATIONS ...............................................................................................6
TABLE 2: A528 MAIN CONNECTOR PINOUT..............................................................................................................8
TABLE 2.3: A528 MAIN CONNECTOR ELECTRICAL CHARACTERISTICS .......................................................................9
TABLE 2.4: USB CONNECTOR ELECTRICAL SPECIFICATIONS ...................................................................................13
TABLE 2.5: A528 USB CONNECTOR ELECTRICAL CHARACTERISTICS ......................................................................14
TABLE 2.6: RF PORT PINOUT ...................................................................................................................................14
TABLE 2.7: RF PORT ELECTRICAL CHARACTERISTICS..............................................................................................15
TABLE 2.8: A528 READER - TAG LINK PROFILES......................................................................................................15
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1. Introduction
The A528 is an OEM UHF multiregional compact reader for integration into label printers,
label applicators, handheld devices and in general any fixed or mobile short and medium
range device requiring UHF tag programming and reading.
The A528 can operate in both European (ETSI EN 302 208) and US (FCC part 15)
regulatory environments and is fully programmable up to 500 mW conducted power. The
reader supports EPC Class1 Gen2 protocol.
The module uses the Intel® UHF RFID Transceiver R1000 and features a Gen2 Dense
Reader Mode capability. Due to its multiregional capabilities the A528 is ideal for
integration in devices requiring compliance to different geographic regions. A service
board (Mod. A528ADAT), which allows to manage the A528 via USB and RS232, is
available.
Fig. 1-1: Mod. A528 OEM UHF Multiregional compact reader
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2. Mod. A528 Technical Specifications
2.1. Mod. A528 Technical Specifications Table
Table 2.1: Mod. A528 Technical Specifications
Frequency band 902÷928 MHz (FCC part 15)
865.600÷867.600 MHz (ETSI EN 302 208)
Programmable in 8 steps1 up to 500 mW @ 5 V (27 dBm)
Output Power Level
Output power accuracy +/- 1dB
Antenna VSWR requirement 2:1 or better for optimum performances
Antenna Connector Nr. 1 MMCX type
Frequency Tolerance ±10 ppm over the entire temperature range
Number of Channels 10 channels (compliant to ETSI EN 302 208)
50 hopping channels (compliant to FCC part 15)
Standard Compliance EPC C1G2
Digital I/O Four I/O lines 3.3V out @ 3mA, 5V tolerant
UART Serial Port
Baudrate: 115200
Databits: 8
Stopbits: 1
Parity: none
Flow control: none
3.3 V out, 5 V tolerant
9.6÷115 kbit/s data rate (settable)
USB Device Port One USB 2.0 Full Speed (12 Mbits per second) device port.
Dimensions 42 x 60 x 6.3 mm3 (1.65 x 2.36 x 0.25 inches3)
4.75V ÷ 5.25V; ripple and noise < 100mVpp; ripple frequency >
100kHz
Supply voltage requirements
1A max @ 5 V (TX/RX mode)2, 230 mA @ 5 V (idle mode)
Electrical Power
Operating Temperature -20 °C to 60 °C
MTBF > 200'000 hours
Weight 16 g
1 Output power levels are the following: 10mW; 25mW; 50mW; 100mW; 200mW; 300mW; 400mW and 500mW
2 Typical supply current values @ 5V in TX/RX mode are the following: 0.50A @ Pout=50mW; 0.68A @ Pout=200mW; 0.80A
@ Pout=500mW
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2.2. External connections
The location of the connectors is shown in Fig. 2.1. Their mechanical specifications are
listed here below:
Antenna Port: RF Coax Connector Huber+Suhner type 82MMCX-S50-0-2/111_K (to be
used with Huber+Suhner type 11MMCX-50-1-1/111_O)
MOLEX Connector: PCB Headers Molex type 53261-1290
(to be used with Molex Type 51021-1200 + 12pcs crimp terminal type 50058-8100)
MOLEX Connector: PCB Headers Molex type 53261-0290
(to be used with Molex Type 51021-0200 + 2pcs crimp terminal type 50058-8100)
2.58
27.42
27.42
2.58
2.58
36.84
2.58
7.42
4.72
31.80
5.48
6.30
42.00
24.55
5.20
12.25
25.15
4.00
12.85
1.60
2.20
2.90
O2.70
O2.70
O2.70
5.90
60.00
Antenna port
Fig. 2-1: Mod. A528 technical drawings
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2.2.1. A528 Main connector pinout
Compact reader A528 MAIN external connector is a Molex SMD, 12 poles, 1.27 pitch
connector whose pinout is shown in table below.
Table 2: A528 MAIN connector pinout
Pin Function Direction
1 Power Line (+5V) -
2 /RESET IN
3 GPIO0 IN/OUT
4 GPIO1 IN/OUT
5 GPIO2 IN/OUT
6 GPIO3 IN/OUT
7 TST_RECOVERY IN
8 USB PUP IN
9 RXD IN
10 TXD OUT
11 GND -
12 GND -
The GPIO0-GPIO3 pin are 4 general purpose bidirectional pins, their default direction (or
after a Reset) is OUT.
TST_RECOVERY pin is reserved and shall be used only to perform the microcontroller
recovery procedure during which it must be forced at high level (3.3V or 5V).
The RXD/TXD pins are used to communicate with the A528 board via UART port; to
establish a link with the device you must configure your COM port as follows3:
1. Baud rate : 115200
2. Parity : None
3. Data bits : 8
4. Stop bits : 1
5. Flow Control: none
3 Since A528 RX/TX are TTL level signals, in order to connect it with a PC, a TTL/RS232 translator shall be
used. A528 service board (A528ADAT) hosts both RS232 and USB full interfaces.
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2.2.2. A528 MAIN connector electrical characteristics
Table 2.3: A528 main connector electrical characteristics
Pin name Pin No. Parameter Min. Typ. Max. Unit
Supply DC voltage 4.75 5.00 5.25 V
Power supply requirements – Ripple
Voltage 100 mVpp
Power supply requirements - Ripple
Frequency 100 kHz
+5V 1
Supply DC current 0.23 1.0 A
VIL -0.3 1.0 V
VIH 2.4 3.6 V
Internal pull-up resistance 10 20 kΩ
/RESET 2
Pulse width 1 μs
VOL 0 0.4 V
VOH 2.0 3.3 V
Output current 3.0 mA
VIL -0.3 0.8 V
VIH 2.0 5.5 V
GPIO[0:3] 3, 4, 5, 6
Input current 1 μA
TST-
Recovery 7 VIH 2.0 5.5 V
USB PUP 8 VIH 2.0 5.5 V
VIL -0.3 0.8 V
VIH 2.0 5.5 V
RXD 9
Input current 1 μA
VOL 0 0.4 V
VOH 2.4 3.3 V
TXD 10
Output current 1.5 mA
GND 11,12
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2.2.3. Power supply connection
In the following schematic suggested A528 power supply connection is shown.
The use of fuse F1 is recommended since A528 doesn't provide internal current limitation
protection. Diode D1 avoid damage to the reader in case of reverse polarity connection.
The use of optional LC filter improves reader immunity in presence of noisy power
supply.
In order to ensure the correct operation of the reader the power supply shall not enter in
burst mode (switching frequency less than 100kHz) when A528 reader is in idle mode
(supply current less than 0.2A). As a rule of thumb the power adapter shall have a
maximum current rating from 1A to 1.5A.
Fig. 2-2: Mod. A528 power supply connection
2.2.4. General purpose I/O connections
The GPIO0-GPIO3 pins are 4 general-purpose bidirectional pins. Their default direction
after a power on reset or a general reset is set to Output.
GPIO, when configured as Outputs, can be used to drive indicators as leds or buzzers or
to send trigger signal to others equipments.
GPIO, when configured as Inputs, can accept control signals from other equipments or
trigger signals from sensors (i.e. photocells).
In the following schematic an example of application of GPIO is shown.
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Fig. 2-3: Mod. A528 GPIO connection example
2.2.5. External reset
A528 manual reset can be performed by forcing at low level /RESET pin for 1μS at least.
/RESET pin is pulled-up by an internal resistor.
Fig. 2-4: Mod. A528 external reset
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2.2.6. UART connection
The RXD/TXD pins are used to communicate with the A528 board via UART port. Since
A528 RX/TX are TTL level signals, in order to connect it with a PC, a TTL/RS232
translator shall be used (please refer to the diagram below)4.
To establish a link with the device host COM port shall be configured as follows:
1. Baud rate: 115200
2. Parity: None
3. Data bits: 8
4. Stop bits: 1
5. Flow Control: none
Fig. 2-5: Mod. A528 RS232 connection
2.2.7. A528 recovery
TST_RECOVERY pin is reserved and shall be used only to perform the microcontroller
recovery procedure during which it must be forced at high level (3.3V or 5V).
In the following diagram a manual recovery mechanism is shown: in order to perform the
A528 boot recovery the jumper JP1 shall be inserted, then A528 shall be switched on by
applying 5V supply voltage for 5s at least. After that the reader shall be switched off and
the jumper removed: at the next switch on the reader will execute the boot recovery
program.
For further details please see § 2.5.
4 A528 service board (A528ADAT) hosts both RS232 and USB full interfaces.
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Fig. 2-6: Mod. A528 TST-recovery connection
2.2.8. A528 USB connector pinout
A528 USB interface connector is a Molex SMD, 2 poles, 1.27 pitch connector whose
pinout is shown in table below.
Table 2.4: USB connector electrical specifications
Pin Function Direction Description
1 DDM IN/OUT USB data -
2 DDP IN/OUT USB data +
A528 board provides only the USB data signals; in order to implement a full USB
interface some external components shall be used. The external circuit necessary for
A528 USB operation is shown in the schematic below.
Fig. 2-7: Mod. A528 USB interface connection
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2.2.9. USB connector pinout electrical characteristics
Pin name Pin No. Parameter Min. Typ. Max. Unit
VIL 0.8 V
VIH 2 V
VOL 0 0.3 V
VOH 2.8 3.3 V
DDM
1
Recommended external series resistor 27 Ω
VIL 0.8 V
VIH 2 V
VOL 0 0.3 V
VOH 2.8 3.3 V
DDP
2
Recommended external series resistor 27 Ω
Table 2.5: A528 USB connector electrical characteristics
2.2.10. Antenna port specifications
In the following table the pinout of A528 antenna is shown.
Pin Function Direction Description
INNER RF OUT OUT RF output
OUTER GND - Ground
Table 2.6: RF port pinout
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Parameter Min. Typ. Max. Unit
10 500 mW
RF output power
10 27 dBm
Output power vs. power setting accuracy ± 1 dB
RF port impedance 50 Ω
Recommended antenna VSWR 2:1 -
Table 2.7: RF port electrical characteristics
2.3. Reader – Tag link profiles
A528 reader supports different modulation and return link profiles according to EPC
Class1 Gen2 protocol.
In the following table are reported all profiles that have been tested for the compliance
with ETSI and FCC regulations.
Link profile # Regulation Modulation Return Link
0 ETSI - FCC DSB–ASK; f=40kHz FM0; f = 40kHz
1 ETSI DSB–ASK; f=40kHz Miller (M=2); f = 160kHz
2 ETSI - FCC PR-ASK; f=40kHz Miller (M=4); f = 250kHz
3 ETSI PR-ASK; f=40kHz Miller (M=4); f = 300kHz
4 FCC DSB-ASK; f=160kHz FM0; f = 400kHz
5 FCC PR-ASK; f=40kHz Miller (M=2); f = 250kHz
Table 2.8: A528 reader - tag link profiles
2.4. Host communication interfaces
A528 reader allows the user to manage host communication through two different
protocols5:
1. CAEN communication protocol.
In this case the host-reader interface is serial and A528 is fully compatible with
all the CAEN Demos and libraries included in the Easy2Read SDK.
2. Intel communication protocol.
In this case the host-reader interface is USB and A528 is fully compatible with
5 Serial / CAEN procotol is implemented starting from FW release 1.1.5.
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Intel RFID Tracer and libraries included in the Intel SDK. Using Intel protocol,
serial interface has debug purpose only.
The default setting of the A528 reader is the Serial/CAEN choice, in order to switch to the
INTEL protocol on USB interface you shall follow the steps described below:
1. Connect to the reader, using a RS232 cable6, with the Hyperterminal (or with any
other terminal emulation application) with the following settings:
- baud rate: 115200
- data bits: 8
- parity: none
- stop bits: 1
- Flow control: None
2. Type quickly the word "CAEN" (in capital letters) in theHyperterminal window.
3. Type "chgprot" in the hyperterminal window
4. Select the "USB interface" and "INTEL protocol" options when prompted.
After a reset the reader will reply to the INTEL commands.
In order to switch from Serial/CAEN protocol to the INTEL protocol on USB interface you
shall follow the steps described below:
1. Connect to the reader, using a RS232 cable7, with the Hyperterminal (or with any
other terminal emulation application) with the following settings:
- baud rate: 115200
- data bits: 8
- parity: none
- stop bits: 1
- Flow control: None
2. Stop the boot process pressing the spacebar within 6 seconds from the power on.
3. Type "chgprot" in the hyperterminal window.
4. Select the "Serial interface" and "CAEN protocol" options when prompted.
After a reset the reader will reply to the CAEN commands.
2.5. A528 Firmware Upgrade
The A528 reader firmware upgrade can be performed via USB or RS2328 interface.
6 Assuming to use A528 adapter board and a PC as host
7 Assuming to use A528 adapter board and a PC as host
8 Assuming to use A528 adapter board and a PC as host
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2.5.1. A528 USB Recovery/FW upgrade
USB upgrade is based on Atmel Smart Arm Microcontroller Boot Assistant (hence forth
referred to as “SAM-BA”). The SAM-BA tools is distributed by Atmel via
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3883
(download and install AT91-ISP.exe file).
USB upgrade requires the following steps:
1. With power supply disconnected, connect with a short circuit J1 pin 4 (GPIO4)
and TP1 pad.
2. With short circuit inserted connect the power supply to the board and wait for 5
seconds at least.
3. Disconnect the power supply.
4. Remove the short circuit between pin 4 of J1 and TP1.
5. Connect the power supply and the USB cable to A528ADAT.
6. At this point, Windows XP will detect the platform (in SAM-BA mode) and display
the “Found New Hardware Wizard”.
7. The first screen asks if Windows can connect to Windows Update to search for
the software, select: “No, not this time” and then click the NEXT button.
8. On the next wizard screen, select: “Install the software automatically”, then click
the NEXT button.
9. A dialog will popup indicating that the driver has not passed “Windows Logo
Testing”, click the “CONTINUE ANYWAY” button.
10. When the last screen appears, click the “Finish” button to dismiss the New
Hardware Wizard
11. Reboot PC when prompted.
12. Run the SAM-BA v2.6 application on the WinXP host machine
13. When a dialog box appears, ensure AT91SAM7S256-EK is selected in the drop
down list then click on the "USB connection" button. Note that a number of the
names in the dropdown list are similar so ensure you select the correct one.
14. Ensure the "FLASH" tab is selected.
15. Enter the path in the "Send File Name:" or use the corresponding "Browse" button
to find and select the file containing the new firmware. Latest release can be
downloaded from CAEN RFID website (http://www.caen.it/rfid)
16. Click the "Send File" button.
17. Click "Yes" in response to "Do you want to unlock involved lock region(s)". Click
"No" in response to "Do you want to lock involved lock region(s)". Finally - confirm
the programming by clicking the "Compare sent file with memory" button. When
SAM-BA reports that the files are identical click the “OK” button.
18. Exit the SAM-BA application via the File -> Quit option.
19. To ensure correct behaviour of Windows XP, click the “Safely Remove Hardware”
icon in the Windows system tray, and Stop the Atmel Test Board entry and power
DOWN your A528ADAT (disconnect power supply)
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2.5.2. A528 RS232 FW upgrade
To perform the FW upgrade via RS-232 interface these steps shall be followed:
1. Turn off the reader
2. Connect the reader with the RS232 serial cable to your PC using the adapter
board A528ADAT.
3. Setup a serial terminal (such hyperterminal available on all windows OS) with the
following settings:
- baud rate: 115200
- data bits: 8
- parity: none
- stop bits: 1
- Flow control: None
4. Turn on the reader.
If A528 is configured to use INTEL protocol a boot message (see Fig. 2-8 ) will
appear press the space bar within 6 seconds from boot.
Fig. 2-8: Mod. A528 debug shell window
If A528 is configured to use CAEN protocol no boot message will appear: in this
case you shall type quickly and in capital letters the word “CAEN”.
5. After that in both cases a prompt ">" should be displayed. The reader is waiting
for commands to be sent over the serial port.
6. Type "upgrade", press return and disconnect the serial port
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7. Launch the upgrade tool (AT91SAM7SERIALBOOT.exe) provided into CAEN
SDK CD-ROM on your PC.
8. Select the COM port you are using (typically is COM1) with the radio button on
the left of the main window and press the connect button.
9. Click the Open button and Browse until you find the .bin firmware upgrade image
10. Press the Download button. If, for any reason, the upgrade procedure fails, do
not power off the reader but press the download button again.
11. At the end power off the reader and power it on again.
Firmware upgrade has been completed.
If some problems occur in this procedure the recovery of module operation can be
obtained by performing the procedure described in § 2.5.1.
2.5.3. Regulatory Compliance (FCC)
This equipment has been tested and found to comply with Part 15 of the FCC Rules.
NOTE:
(a) Any changes or modification not approved by CAEN RFID could void the user’s
authority to operate the equipment.
(b) The A528 Module, which is rated at 500 mW output, are approved for operation with
the CAENRFID antenna Mod. WANTENNAX010 (Linear polarized 3dBi gain 915 MHz
PIFA antenna). Use of other than the approved antenna with this unit may result in
harmful interference with other users, and cause the unit to fail to meet regulatory
requirements. Professional installation is required for A528 Module.
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