1. General Information

• Model: A06B-6117-H109 (αiSV-360)

• Type: Single‑axis integrated AC servo amplifier (Alpha i series)

• Manufacturer: FANUC

• Description: High‑power, high‑precision single‑axis drive for heavy‑duty CNC machine tools, large machining centers, and high‑torque servo motor applications.

• Applicable Motors: FANUC αi series high‑power servo motors

• Manual Reference: B‑65282EN

2. Electrical Specifications

• Input Voltage: 3‑phase AC 200–240 V ±10%, 50/60 Hz

• DC Link Voltage: 283–339 V

• Rated Input Power: 26 kW

• Output Voltage: 0–240 V AC, 3‑phase

• Continuous Output Current (RMS): L‑axis 115 A

• Peak Output Current: 2× continuous (max 0.5 s)

• Control Method: Full digital vector control (HRV3)

• Feedback Interface: Incremental encoder / serial absolute encoder

• Communication: FSSB (FANUC Serial Servo Bus), 12 Mbps

• Cooling: Forced air cooling (internal high‑power fan)

• Insulation Class: Class H (180 °C)

3. Environmental & Mechanical

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Humidity: 5–95% RH, non‑condensing

• Protection Class: IP20 (front face)

• Mounting: Vertical installation in control cabinet

• Dimensions (W×H×D): 130 mm × 350 mm × 250 mm

• Weight: Approx. 8.2 kg (18.1 lbs)

4. Key Features

• High‑power single‑axis: 26 kW rated power, 115 A continuous current

• High‑speed response: HRV3 control, 1 μs cycle time

• High torque capability: Supports large αi motors for heavy‑duty machining

• Dual encoder support: Incremental / absolute serial encoder

• Built‑in protection: Overcurrent, overvoltage, undervoltage, overtemperature, overload, encoder failure, fan fault

• LED status indicators: Power, alarm, FSSB communication

• Advanced diagnostics: Real‑time monitoring for maintenance

5. Installation Instructions

1. Power off: Disconnect all power before installation or wiring.

2. Mounting: Install vertically on a rigid cabinet rail; maintain ≥100 mm clearance top and bottom for airflow.

3. Input wiring: Connect 3‑phase AC power (L1/L2/L3) and protective earth (PE). Use heavy‑gauge cables for high current.

4. Motor wiring: Connect motor power cables to U/V/W terminals. Torque terminals to 2.0–2.5 N·m.

5. Feedback wiring: Connect encoder cable to feedback connector.

6. Communication wiring: Connect FSSB cable to CNC controller.

7. Fan check: Verify internal fan operates normally after power‑on.

6. Maintenance & Troubleshooting

Routine Maintenance

• Clean air filter every 1 month (high‑power unit, prone to dust).

• Check fan operation weekly; replace if noisy or stopped.

• Inspect terminals and cables for tightness or damage every 3 months.

Common Alarms

• ALM 300 (Overcurrent): Motor short circuit, wiring fault, or severe overload.

• ALM 430 (Overtemperature): Poor ventilation, blocked fan, or ambient temp too high.

• ALM 510 (FSSB Error): Check FSSB cable, connector, or CNC communication setup.

• ALM 01 (Fan Stop): Internal cooling fan failure; replace fan immediately.

7. Safety Precautions

• Installation and servicing must be performed by qualified electricians.

• High voltage remains for ≥15 minutes after power‑off; wait before touching terminals.

• Do not block ventilation openings—risk of overheating and fire.

• Use only FANUC‑specified heavy‑gauge cables and connectors.

• Ground the amplifier housing properly to avoid electric shock.