Description
The FANUC A20B‑8100‑0820 is an industrial control circuit board (PCB) used in FANUC CNC controller systems. It’s typically part of the power/control electronics inside the controller cabinet — most often functioning as a power supply or power‑related control board that provides regulated power and/or control signals to other boards in the system.
🔌 Overview
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Part Number: A20B‑8100‑0820
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Type: CNC controller circuit board (PCB)
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Manufacturer: FANUC (OEM grade industrial automation parts)
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Typical Use:
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Serves as a power/control interface board in FANUC CNC systems — part of the electronics that help distribute or regulate power and interface signals to other modules.
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Found in various FANUC standalone or modular controller setups where power and board interfacing needs to be centrally managed.
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⚙️ Notes & Practical Information
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OEM Part: This is a genuine FANUC part, typically used inside industrial CNC controllers.
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Availability: Commonly sold new, tested used, or refurbished by third‑party industrial parts suppliers; many offer repair and warranty services.
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Functionality: Being listed as a “circuit board” typically means it’s part of the power distribution or internal controller backbone, rather than a standalone CPU or motion card — boards like this often feed power or provide essential support functions to the rest of the controller electronics.
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Important: Specific technical manuals or service documentation from FANUC may be needed to see exactly what sub‑functions this board provides (e.g., DC‑DC conversion, internal power logic, signal conditioning), since vendors usually list it generically as a PCB board.