A20B-3900-0163 ¦ 32MB FROM + 1MB SRAM
Fanuc A20B-3900-0163 memory module. CNC stock this 32MB FROM + 1MB SRAM pcb for a variety of different 16i, 18i, or 21i. This dynamic random access module plugin is a small modular device which plugs into the main master pcb. Usually accompanied with other boards including the CPU, Graphics driver and FSSB servo controller and other memory cards such as DRAM smds.
Currently CNC only supplies this FROM + SRAM PCB for outright sale. We offer no other services, except for testing your control system; if this processor is found suspect. If repair, then we require the entire CNC with all boards plugged in and full system backup.
A20B39000163 is supplied with a 12 month warranty.