20-750-ENETR is a communication module offered by Allen-Bradley as part of the ControlLogix series programmable logic controllers (PLCs). It Ethernet connectivity for the ControlLogix platform, allowing communication and data exchange between the PLC and external devices, such as HMI (Human-Machine Interface) panels, SCADA (Supervisory Control and Data Acquisition), and other PLCs.

The 20-750-ENETR module supports various Ethernet protocols, including EtherNet/IP, TCP/IP, and UDP/IP, ensuring compatibility with different network architectures and communication requirements. It typically supports multiple connections and can be configured to act as a scanner or adapter, depending on the specific application.

By using the 20-750-ENETR module, users can establish reliable and high-speed network communication for their ControlLogix system, enabling efficient control and monitoring of industrial processes.