Genuine Allen-Bradley 1756-CNB ControlNet bridge module for ControlLogix systems. Deterministic industrial communication, hot-swappable, fully tested, 12-month warranty and fast global shipping.

Product Description

The 1756-CNB is a dedicated ControlNet communication bridge module of Allen-Bradley ControlLogix series. It establishes stable ControlNet network connection for PLC controllers, remote I/O devices, HMI and automation units. This module provides reliable deterministic data transmission, ensures real-time and accurate signal interaction, and is widely used in various industrial automation and process control environments. It is an essential spare part for legacy ControlNet system maintenance and renovation.

Key Features

1. Adopts standard ControlNet protocol to support deterministic real-time communication
2. 5 Mbps high-speed transmission, suitable for large-scale industrial networking
3. Equipped with BNC communication interface and NAP auxiliary network port
4. Hot-swap supported, no need to shut down during module replacement
5. Multiple LED status indicators for quick fault checking and network monitoring

6. Industrial-grade anti-interference design, suitable for long-term stable operation

Technical Specifications

Brand: Allen-Bradley (Rockwell Automation)

Part Number: 1756-CNB

Product Series: ControlLogix 1756

Device Type: Control Net Communication Bridge Module

Network Speed: 5 Mbps

Main Interface: BNC + NAP Port

Working Temperature: 0°C ~ 60°C

Installation Method: Chassis plug-in installation

Product Condition: New Original / Refurbished

Warranty Period: 12 Months

Application Scope

1. Industrial factory automation ControlNet network construction
2. Process control industry data acquisition and signal transmission
3. On-site connection of PLC, remote I/O and auxiliary automation equipment
4. Power, petrochemical, machinery manufacturing and other industries

5. Old automation system upgrade, maintenance and spare parts replacement

   
   

Our Advantages

1. Provide 100% original authentic industrial control components
2. Sufficient stock, support global fast delivery
3. Strict quality testing and inspection before delivery
4. Professional technical team provides configuration and after-sales support
5. Cost-effective wholesale price and stable long-term supply