A-B 1756-CN2R/B

The A-B 1756-CN2R/B module is A ControlNet communication module in the Allen-Bradley ControlLogix series of controllers from Rockwell Automation. It is mainly used to build ControlNet networks in ControlLogix systems to achieve communication and data exchange between multiple devices.

Product name and description

Product name: Allen-Bradley 1756-CN2R/B ControlNet Redundant Bridge module
Product Description: This module is a communication module in the ControlLogix system for establishing ControlNet networks. It offers two ControlNet BNC ports that support 5Mbps transfer speeds and one USB communication port that supports 12Mbps data rates for redundant configuration and improved network reliability.
Main feature

ControlNet communication: Supports the ControlNet network for real-time communication between devices.
Redundancy configuration: Provides redundancy to improve network reliability.
USB interface: Equipped with USB interface, easy to connect with the computer, configuration and maintenance.
CIP protocol: Supports the Common Industrial Protocol (CIP) for interoperability with other devices.
High performance: Support 5Mbps high-speed data transmission, to meet the needs of real-time control.