Allen-Bradley 1756-CN2R/B | Industrial ControlNet Redundant Module

Product Overview

The 1756-CN2R/B from Allen-Bradley is a ControlNet Redundant Bridge Module designed to ensure high reliability in industrial automation networks. It provides seamless communication between ControlLogix controllers while maintaining redundancy through its dual-channel architecture.

This module guarantees continuous operation even if one communication channel fails, making it ideal for applications where downtime is unacceptable. Its compact dimensions and lightweight design allow easy integration into existing control systems.

Advanced signal processing ensures stable data transfer rates up to 500 kbps under varying environmental conditions. The module operates reliably across a temperature range from -20°C to +60°C, supporting deployment in diverse industrial environments.

Technical Specifications

• Brand: Allen-Bradley

• Model/Part Number: 1756-CN2R/B

• Product Type: ControlNet Redundant Bridge Module

• Operating Voltage: 220V AC

• Redundancy Feature: Dual-channel design

• Communication Protocol: ControlNet

• Number of Channels: 2

• Data Transfer Rate: Up to 500 kbps

• Operating Temperature: -20°C to +60°C

• Dimensions (H x W x D): 1.89 × 3.75 × 4.2 inches

• Weight: Approximately 1 lb (0.45 kg)

• Certification: UL, CE, CSA

Key Features

• High Reliability: Dual-channel design ensures continuous network communication.

• Fast Data Transfer: Maintains up to 500 kbps even under fluctuating conditions.

• Compact and Lightweight: Facilitates integration into existing industrial networks.

• Wide Temperature Range: Supports deployment in various industrial environments.

• Certified Safety: Complies with UL, CE, and CSA standards for global use.

Applications

• Industrial automation systems requiring continuous ControlNet communication.

• Distributed ControlLogix networks with redundancy needs.

• Factory and process control environments where downtime is critical.

• Scalable industrial networks integrating multiple ControlNet devices.

Benefits

• Seamless Integration: Works with a wide range of ControlNet adapters and controllers.

• Enhanced Uptime: Redundant channels prevent communication interruptions.

• Reliable Performance: Built from high-quality materials to endure industrial use.

• Support and Guidance: Comprehensive installation and troubleshooting support available.