Overview
The Allen-Bradley 1775-CM is a memory communication cable assembly engineered specifically for PLC-3 programmable logic controller systems. This D-Sub communication cable enables high-speed data transfer between primary and backup processor chassis in redundant automation environments. Built to Allen-Bradley standards, the 1775-CM ensures secure, reliable connectivity for critical industrial applications where uptime and data integrity are essential.
Key Features
- High-speed data transfer capability between PLC-3 backup modules
- D-Sub connector interface for secure point-to-point connections
- Shielded construction minimizes electrical interference and ensures data integrity
- Designed for PLC-3 memory communication modules (1775-MX) in redundant backup systems
- Durable industrial-grade materials withstand manufacturing floor environments
- Drop-in replacement for legacy PLC-3 backup configurations
Technical Specifications
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Part Number: 1775-CM
- Product Type: Memory Communication Cable Assembly
- Series: PLC-3
- Connector Type: D-Sub
- Application: PLC-3 Backup System Communication
- Lifecycle Status: Discontinued by Manufacturer
- Condition: New in Box
Typical Applications
- PLC-3 redundant backup systems requiring high-speed memory synchronization
- Critical manufacturing processes where system failover must minimize data loss
- Industrial automation environments needing reliable processor backup communication
- Legacy automation system maintenance and spare parts replacement
- Control systems requiring rapid data table and ladder diagram transfer between processors
Compatibility & Replacements
Compatible With
- Allen-Bradley PLC-3 processors
- 1775-MX Memory Communication Modules (connects two modules for backup functionality)
- PLC-3 backup system configurations
- Industrial automation systems using Allen-Bradley PLC-3 platform
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This cable is designed as an original replacement for PLC-3 memory communication module connections.
Works With
- Allen-Bradley PLC-3 programming and diagnostics software
- Rockwell Automation legacy control platforms
- Standard industrial D-Sub connector equipment
- Data Highway and local area network configurations using PLC-3 architecture
