FANUC A20B-1008-0740 STOP BOARD is an input/output stop board designed for use with FANUC control systems, providing a dedicated module to monitor and respond to stop signals across I/O lines. Identified by the part number A20B-1008-0740, this board fulfills a stop-control role within the FANUC automation architecture. In the listing, it is referenced as a STOP BOARD with the designation E63.
