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FANUC A20B-0009-0320 single-axis DC servo control PCB main view
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$165.00 USD
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The FANUC A20B-0009-0320 is a legacy single-axis DC servo velocity-control PCB used as the upper control board in selected FANUC A06B-6047 M-Series velocity control units. It is a replacement board, not a complete servo drive or spindle-control PCB.

A20B-0009-0320 boards were produced in multiple revisions and configured through hardware jumpers. Confirm the complete PCB marking, revision, host A06B-6047 model and every jumper position before installation.

A20B-0009-0320 Product Information

Brand FANUC
Model / MPN A20B-0009-0320
Product Type DC servo velocity-control PCB / drive top board
Drive Family A06B-6047 M-Series DC velocity control units
Axis Configuration Single axis
Board Function Velocity command, feedback and servo-drive control processing
Documented Host Examples A06B-6047-H002, H003, H004, H005, H040, H041, H104 and H206
Observed Revisions /03F, /05B, /07C, /09D, /10D, /11D, /12D, /15E and /16E
Configuration Model-dependent hardware jumper settings
Feedback Application Depends on the host drive and motor feedback configuration
System Generation Legacy FANUC DC servo systems
Product Status Legacy / discontinued board
Condition New, refurbished, or used 90% new; subject to stock
Testing 100% tested; 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

Role in the A06B-6047 Servo Drive

The A20B-0009-0320 mounts above the power section of a compatible A06B-6047 DC velocity control unit. It processes axis-command and motor-feedback signals and controls the power stage. Voltage and current capacity are determined by the complete A06B-6047 unit, not by the PCB number alone.

Revision and Jumper Compatibility

The revision printed after the board number is important. /10D, /11D and /12D should not be assumed interchangeable solely because the base number matches. Record every jumper position before removal, then compare the replacement with the original board and machine documentation.

Testing and Replacement Checks

REACO CNC checks the label, revision, connectors, components, solder condition, power rails, feedback circuits, command processing and alarms as applicable. Confirm the drive model, board revision, jumper map, feedback type, connectors and CNC configuration before power-up.

Related resources: FANUC circuit boards and FANUC PCB and drive repair service.

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