A20B-3900-0183
Fanuc A20B-3900-0183 memory board. 32MB FROM + 512K SRAM memory fitted into the main board. Normally fitted in 16i, 18i and 21i model B controls.
DNC currently have these 32MB FROM + 512K SRAM memory modules in stock. Can either be used as an upgrade or a replacemend for faulty hardware. If you are unsure if this memory board is at fault; then contact us as we can check, inspect your complete control.