Allen-Bradley 80165-798-51-D Interface Board Module

The Allen-Bradley 80165-798-51-D Interface Board Module is a compact, plug-in interface board designed for use in legacy Allen-Bradley automation systems. This module functions as the interconnect between a central controller and connected I/O or field devices within a control cabinet, consolidating wiring and signal paths on a single printed circuit board. Built by Rockwell Automation under the Allen-Bradley brand, the 80165-798-51-D carries the designation Interface Board Module and is intended to integrate with compatible carrier boards and backplane architectures used in older AB installations. Precise specifications—such as operating voltage, connector types, pin counts, and mounting dimensions—are defined in the official product documentation for this exact part number, ensuring correct fit and electrical compatibility in the intended system. In typical applications, technicians deploy this module to streamline connections in automation panels, reduce wiring complexity, and simplify maintenance by providing a stable interface point for I/O signals between the controller and remote devices. When considering a replacement or upgrade, verify that any 80165-798-51-D-compatible AB equipment matches the system’s controller family and backplane standards to maintain proper communication and performance.