FANUC A16B-3200-0040-05D RJ-2 Main CPU Board is the central processing unit module for FANUC RJ-2 control systems. It is identified by part numbers A16B-3200-0040-05D and A16B3200004005D, making it a direct replacement option in compatible FANUC controllers. This main CPU board coordinates the controller’s logic for motion and I/O tasks within the RJ-2 CNC environment.
