Fanuc A16B-1810-0040 Axis board. This additional axis card is a digital 1 channel (axes) pcb for the 15 controller. The add.axis normally runs as standard as a peripheral 1 channel controller for the 9 Port FS-15 Backplane PCB. Allowing the 15M or 15TT to run a 5th axis larger CNC machines. Also branded under GE Fanuc but manufactured solely by Fanuc this board is non-surface mount PCB. Fitted on more complicated Fanuc 15 control systems interfacing and controlling the Fanuc AC servo drive amplifier units; such as the 6058 series.
DNC offer service for the A16B18000040 1 channel / axis board. Including exchange to save money, testing and repair of the single add. axis PCB for the 15 control system.