A16B-2203-0070
Fanuc A16B-2203-0070 is the I/O PSU Board for the Fanuc 21B control system. It sits next to the main CPU card, and offers 96/64 output and inputs respectively. A16B22010070 can be tested, repaired and if in stock exchanged. This board carries the piggy backed PSU A20B-1005-0421 or A20B-1005-0420 which are both available at DNC separately or together with the I/O card.