Product details
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PRODUCT PROFILE

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ALLEN-BRADLEY · PLC-5

ARTICLE NUMBER

1771-DMC

OFFICIAL PRODUCT NAME

PLC-5 Control Coprocessor Module

256 KB main module for independent C, BASIC and assembly processing in the 1771 Universal I/O platform.

CONDITION

New Original

WARRANTY

One year

AVAILABILITY

In stock

TECHNICAL DATA & APPLICATION

CALL +86 17359287459 EMAIL sales9@apterpower.com

OPERATING ENVIRONMENT

OPERATING

0 to 60°C

STORAGE

-40 to 85°C

HUMIDITY

5–95% RH

INSTALLATION

1771 chassis

TECHNICAL SPECIFICATIONS

Manufacturer	Allen-Bradley
Catalog number	1771-DMC
Product family	PLC-5 / 1771
Module type	Control coprocessor
Program memory	256 Kbytes
Slot requirement	1 slot
Backplane load	2.50 A at 5 VDC
Communication	RS-232 / 423 / 485 / 422A
Maximum serial rate	38.4 kbit/s
Battery life	1 year

APPLICATION SCENARIOS

COMPLEX CALCULATION

Runs application-specific mathematics and deterministic algorithms outside the PLC scan.

PRODUCTION DATA

Supports scheduling, historical logging, tracking and memory-intensive data handling.

FILE SEARCH

Performs high-speed searches and comparisons across large files or lookup tables.

PROTOCOL CONVERSION

Interfaces PLC data with serial field devices through custom communication programs.

BRAND & APPLICATION OVERVIEW

BRAND CHARACTERISTICS

Allen-Bradley 1771 hardware uses structured catalog numbering, chassis-based integration and extensive lifecycle documentation. The PLC-5 platform supports controlled module replacement and long-term maintenance of installed automation assets.

DOCUMENTED

CHASSIS BASED

SERVICE READY

APPLICATION FIELDS

Applied in legacy manufacturing cells, material handling, utilities, process skids and production lines that continue to use PLC-5 or 1771 control systems for specialized computation and data handling.

MANUFACTURING

DATA HANDLING

RETROFIT

RECOMMENDED MODELS

Allen-Bradley

1771-DMC1	1771-DMC4	1771-DXPS	1771-DRS1	1771-DRS4
1771-ASB	1771-P4S	1771-P5E	1771-IB	1771-IBD
1771-IFE	1771-IR	1771-OA	1771-OB	1771-OBD
1771-OQ16	1771-OW16	1785-L20B	1785-L40B	1785-L80B

Koyo Electronics

D2-230	D2-240	D2-250-1	D2-260	D2-430
D2-440	D2-450	D2-16ND3-2	D2-16NA	D2-16TD1-2
D2-08NA-1	D2-04AD	D2-08AD-1	D2-02DA	D2-08TR
D4-450	D4-16ND2	D4-16TD2	F2-04AD-1	F2-08DA-1

ORDER & SERVICE FLOW

01 · IDENTIFY

Provide the complete 1771-DMC marking, installed chassis, processor type, revision and required quantity.

02 · VERIFY

Confirm the full catalog number, compatibility, memory option, operating condition and current availability.

03 · QUOTE

Review condition, warranty, lead time, protective packing and destination-based delivery terms.

04 · DISPATCH

Complete identity checks, protective packing, shipment documentation and destination routing before release.

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Allen-Bradley 1771-DMC PLC-5 Control Coprocessor Module

1771-DMC

Allen-Bradley 1771-DMC

1771-DMC Control Coprocessor

1771-DMC Datasheet

PLC-5 Control Coprocessor

1771 Coprocessor Module

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