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1756-CNBR Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1756-CNBR is a ControlLogix Communication Module-specifically a Redundant Bridge Module for ControlNet networks. It provides redundant communication paths between ControlNet segments and the ControlLogix backplane, supporting 40-48 Logix communication connections and up to 99 ControlNet nodes. Typically deployed in industrial control systems requiring network bridge redundancy and high availability, the 1756-CNBR integrates into a standard ControlLogix chassis.
Best Suited For
- Redundant ControlNet network bridging
- High-availability ControlLogix systems
- ControlNet segmentation and fault mitigation
- Applications requiring up to 99 network nodes
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
Certified for ATEX, CE, IECEx, UKCA, China CCC, Australian RCM, MOROCCO DOC, Eurasian Economic Community as of April 29 2026. UL, cULus details not specified on site.