Allen-Bradley 1756-CNB

Allen-Bradley 1756-CNB | ControlNet Communication Bridge Module for ControlLogix Systems

Overview

The Allen-Bradley 1756-CNB is a ControlNet communication bridge module for ControlLogix systems, enabling reliable, high-speed data exchange across industrial ControlNet networks. It supports both standard and redundant media, providing robust and fault-tolerant communication solutions for complex automation systems.

Key Features

• Network Type: ControlNet

• Network Speed: 5 Mbps communication rate

• Redundant Media Support: Optional redundant coaxial media connections

• Data Transfer: Supports scheduled and unscheduled data communication

• Backplane Communication: Interfaces seamlessly with ControlLogix chassis

• Status LEDs: Diagnostic indicators for network and module status

• Compact Design: Saves rack space and simplifies installation

• Reliable Performance: Designed for demanding industrial environments

Technical Specifications

• Catalog Number: 1756-CNB

• Backplane Current Load: 400 mA at 5.1V DC

• Communication Speed: 5 Mbps

• Media: Coaxial cable (standard or redundant)

• Network Connections: BNC connectors for coaxial cable

• Operating Temperature Range: 0°C to 60°C (32°F to 140°F)

• Mounting: Standard ControlLogix chassis slot

• Certifications: UL, CE, CSA

Applications

• High-speed material handling systems

• Distributed process control systems

• Automotive manufacturing networks

• Packaging automation with coordinated control

• Industrial safety and supervisory control systems

Why Choose the 1756-CNB?

• Fast and Reliable Communication: 5 Mbps network performance

• Redundancy Ready: Supports critical applications with redundant media

• Industrial Toughness: Designed for harsh industrial environments

• Seamless Integration: Easy configuration in ControlLogix platforms

• Network Diagnostics: Built-in tools for monitoring and troubleshooting

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Available for immediate shipment.