FANUC A16B-2201-0091-03A Main Control Board Assembly is the replacement main control board for FANUC CNC systems, identified by part number A16B-2201-0091-03A. It carries the OPT2C option code and is described as the control main board within FANUC configurations. As the main control board assembly, it functions as the central component that interfaces with other control modules to manage the machine’s control logic. This part is intended for use in compatible FANUC control setups that require the A16B-2201-0091-03A main board, serving as a direct substitute in appropriate machines.
