Western 1781-A8A Digital Mounting Board

The Western Reserve Controls 1781-A8A Digital Mounting Board is a PCB mounting board designed for industrial PLC control systems, providing module mounting and edge connector interfacing capability. It is intended for panel-mounted use in PLC racks, industrial control panels, and automation systems to support reliable module connections and signal distribution in industrial environments. This 8 Slim Edge Connector PCB (MPN: 1781-A8A / 1781A8A; Brand: Western Reserve Controls) is used for PLC and industrial automation interface applications and is commonly installed in control panels and automation equipment; common replacements include Western 1771 Backplane Interface Board, Opto 22 I/O Mounting Rack PCB, and Siemens SIMATIC Interface Mounting Board.