Allen-Bradley 1756-EN2TRK-C Ethernet Interface Module

Allen-Bradley 1756-EN2TRK-C is a ControlLogix EtherNet/IP communication module that provides dual-port 10/100 Mbps Ethernet connectivity from the 1756 backplane to an EtherNet/IP network. It uses two copper RJ-45 ports for external network connections and is conformally coated (Series C) for protection in harsh or corrosive environments. This module supports up to 128 TCP connections and up to 256 CIP connections, enabling multiple I/O, explicit messaging, and CIP-based communications over EtherNet/IP. Designed for use in ControlLogix chassis, it serves as the Ethernet interface for PLC-to-network communications, allowing devices such as HMI panels and SCADA systems to exchange data with the Logix controller. Firmware version 11.003 is documented for the Series C EN2TRK variant. The conformally coated variant provides added protection against moisture and contaminants, making it suitable for installations in environments where standard coatings may be insufficient. Install this module in a 1756 backplane chassis alongside other 1756 modules to enable a robust, Ethernet-enabled ControlLogix network.