1756-CN2R is a communication module for Allen-Bradley PLC systems It is specifically designed for ControlLogix chassis and provides a communication interface for connecting the PLC system to various network protocols. The 1756-CN2R module supports multiple communication modes, including RS-232, RS-485, and RS-422, allowing for flexible connectivity options.

With the 1756-CN2R module, you can establish communication between the PLC system and other devices or networks, enabling exchange, control, and monitoring. It offers reliable and fast data transmission, making it suitable for demanding industrial automation applications.