Allen Bradley 1756-CNBR/E ControlLogix Redundant Bridging Module

Applications

The Allen Bradley 1756-CNBR/E ControlLogix Redundant Bridging Module is designed for high-availability industrial networks. Typical applications include:

• Providing redundant ControlNet communication paths in mission-critical ControlLogix systems
• Ensuring uninterrupted data transfer between redundant controllers and I/O modules
• Supporting SCADA and DCS systems in manufacturing, power generation, and process plants
• Facilitating seamless failover and maintaining network reliability during hardware faults
• Enabling scalable and fault-tolerant industrial automation architectures

Its redundancy capabilities make it ideal for systems where network continuity is essential.

Advantages

• High Availability Communication: Maintains continuous network operation during controller or path failures.
• Redundant Network Support: Enables failover between primary and secondary ControlNet networks.
• Industrial-Grade Reliability: Resistant to EMI, vibration, and temperature variations.
• Compact Design: Easily integrates into ControlLogix chassis without occupying excessive space.
• Seamless Integration: Works with ControlLogix controllers and ControlNet networks for fault-tolerant applications. 

Technical FAQs

1. Q: What is the primary function of this module?
   A: Provides redundant ControlNet communication between controllers and I/O modules.
2. Q: Is it compatible with all ControlLogix controllers?
   A: It is compatible with ControlLogix systems that support redundant ControlNet networks.
3. Q: Can it operate in high-vibration environments?
   A: Yes, engineered to maintain stable performance in industrial conditions.
4. Q: What is the operating temperature range?
   A: -20°C to 60°C, suitable for standard industrial environments.
5. Q: Can it handle network path failures?
   A: Yes, the module ensures seamless failover between primary and secondary networks.
6. Q: Does it provide deterministic communication?
   A: Yes, designed for predictable, high-speed data transfer across redundant networks.
7. Q: How is the module installed?
   A: Easily mounts in the ControlLogix chassis and connects to redundant ControlNet networks.
8. Q: Can multiple modules be used in the same network?
   A: Yes, supports multi-node redundant architectures for large-scale systems.
9. Q: Is software configuration required?
   A: Yes, network configuration is managed via Rockwell Automation software.
10. Q: What is the expected operational lifespan?
    A: Over 10 years under normal industrial operating conditions.