Allen‑Bradley 1771‑CFM Coprocessor Firmware Module

The Allen‑Bradley 1771‑CFM is a coprocessor firmware memory module for Allen‑Bradley PLC‑5 1771 series control system. It stores coprocessor operating firmware, supporting extended high‑speed computing and special algorithm processing for PLC‑5 controllers.

This firmware module works with coprocessor boards to expand PLC processing capacity for complex automation tasks. It is an important spare unit for maintenance and spare replacement of legacy PLC‑5 automation cabinets.

Main Specifications

Brand: Allen‑Bradley; Model:1771‑CFM; Type: Coprocessor Firmware Module
Applicable System: PLC‑5 platform with 1771 series coprocessor hardware
Function: Store coprocessor firmware, support extended algorithm and high‑speed calculation
Installation: Slot‑mounted inside 1771 PLC back‑plane chassis
Feature: Firmware storage for coprocessor function enabling
Operating Environment: 0℃ ~ +60℃, 5%‑95% RH non‑condensing
Certifications: CE, compliant with legacy industrial PLC automation standards

Core Functions

Provide firmware program for 1771 coprocessor to activate extended processing functions.
Assist main CPU to complete complex mathematical operations and special control algorithms.
Realize function matching between coprocessor hardware and PLC‑5 control system.
Preserve solidified firmware data to avoid function loss caused by power interruption.
Standard slot‑in module for convenient disassembly and on‑site replacement maintenance.
Support program configuration and debugging with Allen‑Bradley legacy programming software.

Application Scenarios

Legacy production line control cabinets equipped with Allen‑Bradley PLC‑5 controllers.
Process automation projects requiring coprocessor high‑speed data calculation.
Retrofit and spare replacement of legacy 1771 series PLC automation platforms.
Equipment overhaul and spare ｕｐｄａｔｅ for manufacturing and metallurgy industries.
Spare parts inventory for automation integrators and engineering contractors.
Global aftermarket spare supply for technical teams maintaining Allen‑Bradley industrial hardware.