FANUC A20B-2902-0480 PMC Control B command module. This control module is installed on system 16C / 18C. This PMC module provides features in order to run the 16C / 18C masterboard with PMC ladder. A20B29020480 pcb is available today, either as exchange or on an outright basis stock dependent with full testing and repair services are available also. Warranty is 180 days on repair or exchange!