1756-CN2RXT

Overview of Allen Bradley 1756-CN2RXT ControlNet XT Interface Module

The Allen Bradley 1756-CN2RXT is a ControlNet communication interface module for the ControlLogix XT system. It provides redundant media communication with a 5 Mbps data rate, supporting up to 131 connections and 99 network nodes. Designed for harsh industrial environments, it ensures reliable controller-to-controller interlocking and prioritized I/O updates.

Key Features of Allen Bradley 1756-CN2RXT

• ControlNet Communication: Supports redundant ControlNet media with a high data rate of 5 Mbps.
• Connection Capacity: Supports 128 standard Logix connections plus 3 reserved for redundant control.
• Node Support: Manages up to 99 nodes on the ControlNet network.
• Redundancy: Ensures controller interlocking and prioritized I/O updates over messaging and downloads.
• Ports: Features one USB 1.1 port and two ControlNet BNC ports requiring RG6 coaxial cable.
• Operating Temperature: Suitable for -25°C to 70°C (-13°F to 158°F) environments.
• Power Consumption: Draws 1.3 A at 5.1 V DC and 3 mA at 24 V DC.

Technical Specs of Allen Bradley 1756-CN2RXT Interface Module

Applications / Use Case

This module is used in industrial automation requiring high availability and redundant communication via ControlNet networks. It supports critical process control and manufacturing systems with real-time I/O updates and controller collaboration.

Allen Bradley's ControlLogix XT series ensures operation in extreme environments, providing reliable network communication.