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
Product Model
1756-CN2RXT
Manufacturer
Allen-Bradley
Communication Rate
5 Mbps
Voltage
5.1 Volts DC
Current
1.3 Amperes
Power Dissipation
6.6 Watts
Connections
128
Operating Temperature
-25 to +70 degC
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.
