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Allen Bradley 1771-DCM Data Communication Module for RIO

Allen Bradley 1771-DCM Data Communication Module for PLC-5 Remote I/O.

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ManufacturerAllen Bradley

Part number1771-DCM

System Remote I/O (RIO)

PLC Compatibility PLC-5

Chassis Compatibility 1771-A1B, 1771-A2B, 1771-A3B

Communication Protocol Remote I/O

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Remote I/O Communication PLC-5 Integration Supports various 1771 I/O chassis Data exchange for distributed control Serial data transfer

Product description

The Allen Bradley 1771-DCM is a Data Communication Module designed for use with the Remote I/O (RIO) system. It functions as a communication adapter that allows a PLC-5 processor to connect to the 1771 I/O racks. This module facilitates the exchange of data between the PLC and distributed I/O devices, enabling control and monitoring in remote locations.

This module is critical for expanding the I/O capabilities of PLC-5 systems, particularly in applications requiring distributed control strategies. It is commonly found in process control, discrete manufacturing, and material handling systems where the PLC needs to communicate with I/O modules spread across a plant floor.

Stanlo Automation, a veteran-owned distributor of industrial automation surplus, provides the 1771-DCM and other essential components. We help you source reliable, cost-effective parts to maintain and upgrade your automation systems, ensuring operational continuity.

Technical specifications

System	Remote I/O (RIO)
PLC Compatibility	PLC-5
Chassis Compatibility	1771-A1B, 1771-A2B, 1771-A3B
Communication Protocol	Remote I/O
Data Transfer	Serial

Common applications

Distributed I/O Systems

PLC-5 Control

Manufacturing Automation

Process Control

Material Handling

Compatible systems

PLC-5 (all models) 1771 I/O Chassis

Also known as

Allen Bradley 1771 DCM PLC-5 RIO DCM 1771 DCM Module

Replaces / compatible with

The 1771-DCM is a key component for connecting PLC-5 processors to 1771 Remote I/O chassis. It is essential for systems utilizing the Allen-Bradley Remote I/O network.

Technical note

Expert tip

Ensure the 1771-DCM is correctly addressed within the PLC-5's I/O configuration to establish reliable communication with the remote chassis.

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Frequently asked questions

What is the primary function of the Allen Bradley 1771-DCM module?

The 1771-DCM module serves as a data communication interface, enabling a PLC-5 processor to communicate with and control Remote I/O chassis. It is the bridge for serial data exchange in distributed I/O architectures.