Product Core Brief

• Model: A06B-6079-H208
• Brand: FANUC
• Series: Alpha (α) Series Digital AC Servo
• Core Function: Provides high-precision speed and position control for dual-axis CNC machines.
• Product Type: Dual Axis Servo Drive / Amplifier
• Key Specs: 7.5 kW | 380V~480V | 14.5 A | Dual Axis
• Condition: New Original / New Surplus

Fanuc A06B-6079-H208

Product Introduction

The Fanuc is a high-performance dual-axis servo drive designed for demanding industrial automation and CNC applications. This industrial automation unit utilizes advanced digital sine wave PWM control and IGBT drive technology.

This replacement module integrates seamlessly with FANUC CNC systems (such as 0C, 15A/B, 16A/B, 18A, 20, and 21 series). It ensures stable, continuous operation for precision machining, robotics, and automated production lines.

Key Technical Specifications

Quality Control Process

Every replacement module undergoes strict electrical validation. We first verify the internal DC bus and power supply rails using a calibrated Fluke multimeter. Next, we perform dynamic load testing to confirm the IGBT modules and IPM circuits handle current without overheating. We then inspect the S1-JV and S2-JS link settings to ensure proper axis configuration. All units ship in anti-static shielding.

Replacement Pitfall Guide

❗ Verify S1/S2 Link Settings. This drive features S1-JV (A-type) and S2-JS (B-type) link connectors. Incorrect jumper settings will trigger communication and overcurrent alarms. Always match the physical links to your CNC parameter settings.

❗ Check Motor Wiring Terminals. Ensure the AL motor is connected to the lower terminals and the M motor to the upper terminals (U/V/W/E). Reversing these connections can cause immediate drive faults.

❗ Beware of Alarm 8 (Overcurrent). If the drive throws an Alarm 8, isolate the fault. Disconnect the motor cables (U/V/W/E) and test. If the alarm persists with motors disconnected, the internal IPM or current sensor is damaged.

❗ Mind the Grounding and Insulation. Use a Megger to verify motor and cable insulation resistance (should be ≥200MΩ). Poor grounding or degraded cable insulation is a leading cause of drive failure.

Keep these in mind and you’ll cut 90% of rework time.

Fanuc A06B-6079-H208

Compatibility Matrix & Benchmarks

• Control Precision: High-precision speed and position control with minimal torque ripple.
• Response Time: Fast acceleration/deceleration optimized for CNC contouring.