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1785-BCM Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1785-BCM is an Allen-Bradley Backup Communications Module for the PLC-5 platform. It enables high-speed switchover of Data Highway Plus (DH+) and Remote I/O (RIO) communication paths between a primary and backup PLC-5 processor via a High-Speed Serial Link (HSSL). Installed in a local 1771 I/O chassis beside the processor, the 1785-BCM facilitates redundancy in control systems. Typical applications include redundant PLC-5 backup configurations in manufacturing and process control environments. Part number 1785-BCM.
Best Suited For
- PLC-5 redundant backup communication systems
- DH+ and Remote I/O switchover applications
- Use in 1771 I/O local chassis with PLC-5 processors
- High-speed switch-over requirements (HSSL)
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
UL - Industrial Control Equipment, E65584; CSA - Class 1, Div 2, LR69960