A20B-2002-0521/13A FANUC I/O PCB
The FANUC A20B-2002-0521 board is a 48/32 Operator Panel I/O PCB without a MPG Interface. As part of the A20B-2002 series of PCB I/O units, the FANUC A20B-2002-0521 board is fitted for 0i, 15i, 16i, 18i, 20i, and 21i operator panel systems. This FANUC A20B-2002-0521 I/O board does not have a manual pulse generator, which would specifically associate it with certain machinery that is numerically controlled