FANUC A20B-2900-0790 Fanuc PMC ENGINE module. The A20B-2900-0790 fits in Fanuc 15-B PMC-NA plugin board and acts as the processor for the ladder.
The 2900-0430 smd provides features in order to run the 16 / 18 motherboard with PMC ladder. A20B29000790 pcb is available today @ DNC, 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!