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FANUC A20B-2102-0647 servo amplifier control PCB main view
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• Testing Video Provided

$1,488.00 USD
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More than 100,000 parts in stock & ready for delivery

FANUC A20B-2102-0647 is an internal servo amplifier control PCB for compatible FANUC industrial motion-control systems. Installed inside the servo drive assembly, the board supports amplifier control, signal processing and communication with the associated CNC and servo hardware.

A20B-2102-0647 is a replacement circuit board rather than a complete servo amplifier. Correct selection requires comparison with the original PCB marking, revision, connector arrangement and the complete A06B amplifier model.

A20B-2102-0647 Product Information

Brand FANUC
Part Number / MPN A20B-2102-0647
Product Type Servo amplifier control PCB / drive circuit board
Application Internal replacement board for compatible FANUC servo amplifiers
System Use FANUC CNC and industrial servo motion-control equipment
Installation Type PCB installed inside the associated amplifier assembly
Identification Match A20B-2102-0647 and the complete revision printed on the original board
Compatibility Check Original PCB, revision, A06B amplifier model, connectors and component layout
Condition New, refurbished, or used 90% new; subject to stock
Testing 100% tested before shipment; test video or photos available
Handling Normally 1–3 business days
Shipping / ETA DHL, UPS, or FedEx worldwide; typically 2–6 business days
Warranty 1 year for new/refurbished; 3 months for used 90% new
Service / Packing Free technical support; anti-static reinforced packing

Servo Amplifier Control Function

The A20B-2102-0647 operates as part of the amplifier’s internal electronics. It processes drive-control signals and works with the surrounding power, feedback and communication circuits. Actual functions depend on the amplifier configuration and machine-tool builder setup.

Exact Board and Revision Matching

Do not select this PCB only by appearance or by the shared A20B-2102-064x number range. A20B-2102-0640, A20B-2102-0641, A20B-2102-0642, A20B-2102-0643 and A20B-2102-0645 are separate board specifications and should not be assumed interchangeable with A20B-2102-0647.

Before ordering, compare the full PCB number and revision, source amplifier model, connector positions, mounting points and installed components. Photos of the original board and complete amplifier nameplate are recommended when compatibility is uncertain.

Testing and Installation Notes

REACO CNC checks the board marking, PCB condition, connectors, solder joints, capacitors, heat-sensitive components and operating functions in a compatible test environment where applicable. Installation should be completed with power isolated and the amplifier DC bus fully discharged. Use proper anti-static protection throughout removal and installation.

Related resources: FANUC CNC and robot parts and FANUC servo amplifier and PCB repair services.

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