The FANUC A20B--0042 01A Multiplexer Board is a FANUC-manufactured control module that provides multiplexing capabilities within compatible FANUC hardware. Identified by the A20B--0042 01A designation, this board functions as an interface to route multiple signals through a single pathway in the system’s control electronics. It is intended for use in industrial automation environments that rely on FANUC components to manage signal flow and control logic.
