RFU55 RFU55 FA-NR:501731 E110 Remote Function Module

RFU55 RFU55 Remote Function Module (FA-NR:501731 E110) is a compact remote I/O interface that connects field devices to a Rockwell Automation control system. As part of the RFU55 remote I/O family, the RFU55 enables distributed input and output operations across an automation network, extending controller reach without routing signals back to a central rack and allowing asset-aware, modular expansion of I/O points. The device is identified by the RFU55 model name and the catalog identifiers FA-NR:501731 and E110, which are used for asset documentation and service reference across engineering, procurement, and maintenance workflows. Designed for integration with compatible Rockwell Automation controllers, the RFU55 supports scalable automation architectures in industrial environments where reliable remote I/O is required. Typical applications include remote sensing (sensors, limit switches), actuation (valves, motor control with appropriate drives), and general I/O expansion on manufacturing lines, packaging operations, and process control installations, helping to organize wiring complexity and improve maintainability in distributed control schemes.