A20B-2001-0190
Fanuc A20B-2001-0190 is a 4-slot backplane PCB for model B CNC’s. Belonging to the Fanuc series 16B and 18B control systems. This board is inserted into the yellow plastic frame which holds up to 4 seperate boards in place to connect the control system together. The power supply unit is normally in the right slot, with MAIN next from, then OPT1/OPT2/OPT3 board dependent on the system configuration and the I/O if not connected via I/O Link.
