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Rockwell Automation T3150A ICS Regent Communications Module User Manual

Ics regent, Communications modules, Module operation

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ICS Regent

®

PD-6002

Industrial Control Services

1

Communications Modules

RS-232, RS-422 and RS-485

(T3150A)

Issue 1, March, 06

Communications modules provide a serial communications
interface between the controller and external equipment.
Communications modules are commonly used to connect the
controller to the computer running the W

INTERPRET

application, serial printers, man-machine interfaces,
distributed control system gateways, and other peer-to-peer
controllers.

Features

·

Two isolated serial ports per module.

·

Supports RS-232, RS-422 and RS-485 standards.

Regent R2, Guarded Peer-Link, and Modbus protocols.

·

Front panel indicators on each module show communications

status and transmit/receive activity.

·

TÜV certified for safety, Risk Class 5.

Module Operation

A block diagram of a typical communications module is shown
in Figure 1.

Communications modules are serial receiver-transmitters
that provide an electrical interface for RS-232, RS-422, and
RS-485 communications equipment.

Each communications module receives power from all three of
the processor modules. A power-sharing circuit in each of the
communications modules receives the power from the three