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173

Your Complete Supply Chain RFID Provider – Call: 831/438-7000 Fax: 831/438-5768 Web: www.ems-rfid.com

EMS,

a Datalogic Group Company,

is the field-proven leader

in the development and application of

Radio Frequency Identification (RFID)

Tags/Labels/PCBs, Antennas, Controllers and

network interface modules for tough industrial

environments. With over a dozen years of

RFID successes in the automotive, electronics,

material handling and food processing indus-

tries, EMS has built a global reputation in pro-

viding customers with complete supply chain

solutions – from production to retail EMS has

the complete solution!

Technical Description

The CM42 Modbus Plus Module is a general

purpose programmable interface between the

Modbus Plus network and up to two

HS/HL500-Series Antennas, or as many as 32

HMS-Series Reader/Writers, RS-Series Read-

ers or bar code scanners (or a combination of

both) on a Mux32 line.

The CM42 can be used to give a Modbus Plus

presence to a wide range of existing equip-

ment, such as bar code readers, RFID con-

trollers, bar code verifiers, sensors and

switches. A PLC can communicate to the

CM42 using the MSTR function block. An al-

ternate form of communication is a PC-based

master such as Modicon’s SA85, which can use

the Modicon DOS or Windows driver to com-

municate with the CM42.

This programmable interface is provided with a

standard program that allows Modbus Plus

commands to control the reading and writing

of a block (or non-contiguous blocks) of data,

Mux32 connection status, serial inputs/outputs,

and Tag fill functions. The standard program

can readily be modified by EMS. For special ap-

plications; contact

your EMS repre-

sentative.

The CM42 is

based on a real-

time, DOS com-

patible operating

system providing

great speed and

flexibility. As many

as eight commands can be processed simulta-

neously. The CM42 is implemented as a two

board set, interconnected by a stackable

PC104 Connector.

CM42

Modbus Plus

Module

Features

• Two Read/Write RFID

Antenna Ports

• 25 MHz i386 Processor

•512KB Flash Memory

•512KB RAM

• DOS Compatible

Operating System

• Two General Purpose

Serial Ports for CM42

• Two Industrial-Level

Inputs/Outputs

• LED Status Indicators

• NEMA 2 (IP31)

Enclosure

• Modbus Plus Slave

Device

• DIN Rail Mounting

Applications

• Material Handling

• Sortation Systems

• Work-in-Progress

Monitoring

• Quality Control

Use With

• EMS Passive Read/Write

• EMS Passive Read Only

• EMS Active Read/Write

• RS232 and RS422

Serial Devices

MODBUS PLUS

PRESENCE

FOR

AUTO ID

PRODUCTS

Your Complete Supply Chain RFID Provider – Call: 831/438-7000 Fax: 831/438-5768 Web: www.ems-rfid.com

174

CM42 Modbus Plus Module

Electrical Power Requirements 24VDC ±15%

From External Connector 350mA (Module Only)

900mA (with Antennas)

Communication Modbus Plus Slave Device, 16 Bit Registers, Dual Redundant Bus

RFID Two EMS HS/HL-Series Antenna Ports, HMS-Series

through Serial Ports

Ports COM1RS232

COM2 RS232/RS422/RS485(Mux32 Protocol)

Input Two Industrial-Level Inputs, 10-30VDC

Output Two Industrial-Level Outputs, 5-30VDC@400mA

Either Sourcing or Sinking

Mechanical Specifications Dimensions (W x H x D) 7.5 x 6.0 x 2.1in. (191x 152 x 51mm)

Weight 2.0lbs. (0.9kg)

Enclosure ABS Shell

Environment Operating Temperature 32º to 120ºF (0º to 49ºC)

Storage Temperature -4º to 158ºF (-20º to 70ºC)

Humidity 90% Non-Condensing

Shock Resistance IEC 68-2-27 Test EA 30g; 11ms; 3 Shocks Each Axis

Vibration Resistance IEC 68-2-6 Test FC 1.5mm; 10-55Hz;

2 Hours Each Axis

Protection Class NEMA 2 (IP31)

Your Complete Supply Chain RFID Provider – Call: 831/438-7000 Fax: 831/438-5768 Web: www.ems-rfid.com

175

CM42 Modbus Plus Module

Mechanical Dimensions

Modbus Plus Module

CM42

COMM 2

COMM 1

ANT 1

ANT 0

BUS ACTIVE

ERROR B

ERROR A

POWER

Your Complete Supply Chain RFID Provider – Call: 831/438-7000 Fax: 831/438-5768 Web: www.ems-rfid.com

176

CM42 Modbus Plus Module

Available Models

Model Description

CM41Modbus Plus Communication Module, NEMA 4 (IP66)

CM42 Modbus Plus Communication Module, NEMA 2 (IP31)

Accessories

Model Description

00-1096 DIN Rail Mounting Clips (2) with screws, for use with CM42

CBL-1440-01CMx2 to HS500 Cable (1meter length)

CBL-1440-03 CMx2 to HS500 Cable (3 meter length)

CBL-1440-06 CMx2 to HS500 Cable (6 meter length)

CBL-1440-30 CMx2 to HS500 Cable (30 meter length)

Connections

CM42

Modbus Plus Module

Two Read/Write Ports

Connect to HS500-Series Antennas

Use any HS200R, HS200XL or HS200LR-Series Tags

One Serial Port for Connection to as many as 32 Readers/Writers or other Serial Devices.

Connect to RS400-Series Readers with ES600-Series Read Only Tags.

Connect to HMS-Series Reader/Writers with HMS100-Series Read/Write Tags.

Passive

Reader/Writer

HMS827

Read/Write

Antenna

HS500

Read/Write

Antenna

HS500

Modbus Plus Module

CM42

COMM 2

COMM 1

ANT 1

ANT 0

BUS ACTIVE

ERROR B

ERROR A

POWER

Software Upgrade Port (Debug Port)

or RS232 Serial Device Connection (HMS800-Series, RS400-Series)