Allen-Bradley 1756-CNB DeviceNet Bridge Module

The AB 1756-CNB ControlNet Bridge Module is designed for seamless communication between ControlNet networks and other devices. It facilitates efficient data exchange and enhances system performance in industrial automation environments.

Allen-Bradley 1756-CNB ControlNet Bridge Module

The Allen-Bradley 1756-CNB ControlNet Bridge Module provides seamless integration between ControlNet networks and Allen-Bradley PLC systems. Engineered for industrial automation environments, it ensures reliable high-speed communication and efficient data transfer across manufacturing operations. Supporting the Common Industrial Protocol (CIP), this module delivers robust performance in harsh conditions while minimizing maintenance requirements.

Technical Specifications

Brand Allen-Bradley (A-B)
Model 1756-CNB
Series 1756
Operating Voltage 220V
Communication Protocol ControlNet
Data Rate 5 Mbit/s
Interface RJ45 (1 Port)
Environmental Rating NEMA 4X/IP65
Certification Industry Certified

Allen-Bradley 1756-CNB Front View
1756-CNB Technical Diagram
1756-CNB Installation Example

Industrial Applications

Designed for demanding industrial environments, the 1756-CNB module excels in factory automation, process control systems, and material handling operations. It integrates seamlessly with ControlLogix platforms and is compatible with Allen-Bradley 1756 series controllers. Typical implementations include assembly line synchronization, real-time machine monitoring, and distributed control systems requiring high-speed deterministic communication.

Our Commitment at Apex Automation

Since 2014, Apex Automation has specialized in providing ready-to-deploy industrial automation solutions. Our technical experts offer comprehensive pre-sales consultation to ensure perfect system integration and provide dedicated 24/7 post-installation support. All products include a 1-year performance warranty. For pricing details or inquiries about compatible models like the 1756-L61 or 1756-ENBT, contact us directly:


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