Fanuc A20B-2900-0140/05A Daughter Circuit Board

Supplemental logic/peripheral board designed to support the main CPU in Fanuc Series 16/18 CNC control systems. Part Number: A20B‑2900‑0140/05A Board Type: Daughter (auxiliary) circuit board for CPU expansion Compatible System: Fanuc Series 16 and 18 CNC controls Function: Provides additional logic pathways, I/O buffering or memory support to the main CPU board Mounting: Plug-in on the main CPU board or within the control rack via edge connector Construction: Industrial-grade multilayer PCB Condition in Market: Typically sold used or refurbished, tested and ready for immediate installation Manufacturer: Fanuc Ltd., Japan Common Applications: OEM replacement to restore or upgrade CNC controller CPU functionality Please review pictures carefully and let us know if you have any questions!