FANUC A20B-8002-0020 05B,BW IO Expansion Module is a FANUC I/O expansion card that adds additional input and output capacity to compatible CNC control systems. Identified by part number A20B-8002-0020 with revision 05B,BW, this module extends the digital I/O capabilities of FANUC automation setups. It is used in industrial manufacturing environments to manage extra signals and control peripheral devices through FANUC control hardware.
