A20B-2902-0461
FANUC A20B-2902-0461 memory board. This DRAM memory card is for large configuartions of series 16 and 18 controls. With 8MB of DRAM allowing a short term swap memory. The SRAM being 8MB while on the upper end of capacity for Fanuc of this period allowing main CPU processor to pull data from the FROM and SRAM using DRAM memory.
At DNC we try to keep an active stock of boards such as this A20B29020461. Contact us for more information. Don’t forget we also repair the complete controls that boards such as this are fitted too. As a rule certainly for testing any of the SMD’s, main peripheral PCB’s, main pcb or the PSU; then we prefer to test the entire system. For fault information on the Fanuc 16/18/21 controls, please check our fault / alarms and error codes pages.