Description
๐ฆ FANUC A20Bโ2003โ0770 โ Description
Part Number: A20Bโ2003โ0770
Description: FANUC Circuit Driver Board / Control PCB โ an internal printed circuit board used in FANUC CNC control or automation systems.
๐ง What It Is
- Type: Circuit Driver Board / Control PCB
- Manufacturer: FANUC (Japan)
- Role: Internal electronic board used to manage driver functions, signal processing, and logic control within a CNC controller, servo controller, or automation system.
- System Use: Typically installed inside the control cabinet and interfaces with other boards and modules to help regulate or route control signals.
This board is part of the A20Bโ2003 series of FANUC PCBs, which are used throughout FANUC CNC and automation systems for various internal electronics tasks (often relating to control and interface duties within the controller or drive assembly).
๐ง Typical Context & Use
- โ Internal CNC/Automation Component: Used in industrial CNC machine controllers or drive cabinets, not a userโaccessible control panel or external module.
- ๐ Signal/Driver Role: Acts as a driver board โ handles circuitry that helps control signals between processing logic and power or output stages.
- ๐ ๏ธ Replacement/Repair: Often sold new, refurbished, or repaired by industrial parts suppliers. They may also offer repair services for this board when it fails.
๐ Summary
๐ A20Bโ2003โ0770 is a FANUC circuit driver board / internal PCB used inside CNC and industrial automation controls. It performs driver and control signal processing tasks as part of the internal electronics infrastructure of FANUC systems.

