Description

The Allen-Bradley 1756-CN2RXT is a ControlLogix ControlNet interface module designed for high-performance industrial communication. This module supports redundant coaxial media and provides reliable data exchange within a ControlLogix system. It is specifically engineered for extended temperature environments, making it suitable for demanding industrial applications.

Features

• Supports 128 connections for robust network communication.
• Features dual ControlNet BNC connectors for redundant coaxial media support.
• Integrated USB network access point for simplified configuration and diagnostics.
• Designed for operation in extreme temperatures ranging from -25 degC to +70 degC.
• High-speed communication rate of 5 Mbps.

Technical Specifications

Installation Guidelines

• Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
• The module should be installed in a standard ControlLogix I/O chassis.
• Ensure proper grounding of the chassis and use shielded coaxial cables for ControlNet connections to minimize EMI interference.
• Maintain adequate clearance around the module to ensure proper airflow and cooling, especially in high-temperature environments.
• Follow standard ESD (Electrostatic Discharge) handling procedures when touching module components.

FAQ

What is the primary function of the 1756-CN2RXT?
The 1756-CN2RXT is a communication bridge module that allows a ControlLogix controller to interface with the ControlNet network, facilitating real-time control and data transfer.

Does this module support redundancy?
Yes, this module is designed for redundant coaxial media, allowing for increased network reliability in critical control applications.