GE Digital IC200CMM020 Data sheet

Process Automation Control Systems

Serial Communications

The serial communications expansion module provides a Modbus Master port for a Genius NIU
remote I/O drop. The serial port can be used to interface with a wide range of Modbus slave
devices such as controllers, VFDs, bar code readers, marques and much more. The data is
transferred to and from the NIU over the Genius LAN and is compatible with any controller that
supports Genius Global Data.

IC200CMM020

Product Name

Lifecycle Status Active

Module Type Modbus Master

NIU Type Supported Genius and PROFINET Slave

Number of Serial Communications
Modules

Number of RTU slaves per
Serial Communications Module

Serial Port Type

Baud Rate Supported

COMMREQ command memory (%AQ)
required in the GENERIC_COMM module
hardware configuration

RTU Master Commands

Power Consumption

Dimensions (W x H x D)

Modbus Master Module, 1 RS-485 port.

Requires IC200CHS006 Communications Carrier.

Up to 2 per Genius NIU I/O Station

1 to 247

RS-485. 15-pin subminiature ‘D’ connector. For RS-232

communications, an RS-485 to RS-232 adapter such as

IC690ACC901 can be used. Adapter IC690ACC901 can be

installed with its right-angle cable hanging down.RS-485

supports both 2-wire and 4-wire electrical interfaces

1200, 2400, 4800, 9600, and 19200,

and half or full duplex operation

Depends on individual COMMREQ content.

Minimum: 22 words Maximum: 64 words

65520, Initialize RTU Master Port
8000, Clear RTU Master Diag. Status
8001, Read RTU Master Diag. Status

8002, Send RTU Read/Force/Preset Query

8003, Send RTU Diagnostic Query

460 mA maximum from 5 V output,

5 mA from +3.3 V output

110mm (4.3in) x 66.8mm (2.63in) x 50mm (1.956 in),

not including the height of the carrier

or the mating connectors

VersaMax Control

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Automation & Control Systems

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