Fanuc A20B-2901-0986/02A Daughter Board

The Fanuc A20B-2901-0986/02A is a CNC control PCB used in industrial automation systems. It serves as part of the main control infrastructure in Fanuc machines, supporting signal processing and communication between CNC components. Technical Information: Manufacturer: Fanuc Part Number: A20B-2901-0986/02A Type: CNC Control Board / Axis or I/O Interface (variant dependent) Function: Interfaces between CNC processor and field devices (motors, sensors, I/O modules) Mounting Style: Plug-in board for Fanuc backplane systems Board Format: Standard Eurocard size (typical of Fanuc designs) Connectors: Multi-pin edge connectors and ribbon cable headers for data and power Power Supply: Receives regulated DC via the backplane (typically +5V DC) Communication: May include serial or parallel signaling; exact function varies by revision Firmware: May contain onboard firmware or work in conjunction with controller software Compatibility: Used in Fanuc Series 16/18/21 or similar (verify with CNC machine model) Diagnostics: Usually has test points or onboard LEDs for system status and troubleshooting Applications: CNC machine control, automation lines, robotic systems Please review pictures carefully and let us know if you have any questions!