| Brand | Allen-Bradley |
| Keying | I/O Chassis and Serial Expander |
| Status | Discontinued by Manufacturer |
| Module Type | Control Coprocessor Module |
| Part Number | 1771-DMC4 |
| Manufacturer | Rockwell Automation |
| Humidity Tolerance | Up to 95% Non-Condensing |
| Programming Support | C, BASIC, Assembly |
| Storage Temperature | -40 to 85 °C |
| Operating Temperature | 0 to 60 °C |
| Communication Interfaces | Ethernet, RS-232, RS-485, Asynchronous Serial Ports |
Does the Allen-Bradley 1771-DMC4 come with a warranty?
Yes. The 1771-DMC4 is backed by our 24-Month Replace Industrial Warranty, with no rush fees or hidden warranty charges. If a unit fails under normal use within the warranty period, we repair or replace it.
Is this 1771-DMC4 a genuine Allen-Bradley part?
The 1771-DMC4 is sourced and verified independently. Replace Industrial, LLC is not a Rockwell Automation Authorized Distributor, and all warranties are provided directly by Replace Industrial.
Is the Allen-Bradley 1771-DMC4 new or used?
We offer the 1771-DMC4 in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.
What are the key ratings of the 1771-DMC4?
The 1771-DMC4 operates across 0 to 60 °C.
What is the Allen-Bradley 1771-DMC4?
The 1771-DMC4 is an Allen-Bradley PLC-5 Control Coprocessor Module.
1771-DMC4
The Allen-Bradley 1771-DMC4 control coprocessor module enhances PLC systems with advanced processing power and versatile communication capabilities. It supports programming in C, BASIC, and Assembly, enabling complex algorithm execution and flexible input/output data manipulation. This module provides connectivity through Ethernet and asynchronous serial ports, including RS-232 and RS-485 interfaces, making it adaptable to various industrial environments. Designed to operate reliably from 0 to 60°C and withstand storage temperatures from -40 to 85°C, it also tolerates up to 95% non-condensing humidity. Keying on the I/O chassis and serial expander ensures secure installation and robust timing accuracy.
All products are covered by our 2-Year (24-Month) Replace Industrial Warranty. If a unit is found defective under normal use within the warranty period, we repair or replace it at no additional cost, and a unit may be returned for a full refund within 30 days if returned in the same condition it was sent.
Replace Industrial is an independent distributor and does not convey the manufacturer's warranty; all warranties are provided by Replace Industrial alone. Read the full warranty policy
We repair a wide range of industrial automation equipment, including PLCs, HMIs, drives, servo motors, switches, and circuit breakers, with rush service for critical downtime. Request a quote, ship your unit, and we diagnose, repair, and return it. Request a repair quote
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