1. General Information

• Model: A06B-6117-H303

• Type: αiSV-20/20/20 (triple-axis servo amplifier)

• Brand: FANUC

• Application: 3-axis control for CNC machines, machining centers, and automation equipment.

  

2. Electrical Specifications

• DC Input: 283–339 VDC

• Rated Power: 7.5 kW (total)

• Continuous Output Current: 3.0 A per axis (L/M/N)

• Max Output Current: 6.5 A per axis

• Output AC Voltage: 200–240 VAC

• Output Frequency: 0.1–800 Hz

• Control Method: HRV3 digital vector control

• Feedback: Serial absolute/incremental encoder

• Communication: FSSB optical fiber bus

• Regenerative Braking: Built‑in transistor

• Cooling: Forced air (internal + external fans)

3. Environmental & Mechanical

• Operating Temperature: 0°C ~ +55°C

• Storage Temperature: -20°C ~ +70°C

• Humidity: 5%–90% RH, non‑condensing

• Protection Grade: IP20

• Installation: Vertical cabinet mount

• Dimensions (H×W×D): 380 × 60 × 172 mm

• Weight: Approx. 2.6 kg

4. Key Features

• Compact 60 mm width saves cabinet space

• Three‑axis integrated design reduces wiring and cost

• High‑speed HRV3 control for μm‑level positioning accuracy

• Absolute encoder backup capacitor (≈10 min retention)

• Full protection: overcurrent, overvoltage, overheating, fan failure

• LED status indicators for power, alarm, and operation

5. Compatibility

• CNC Systems: FANUC 0i‑B/D, 30i‑B series

• Servo Motors: αiS / αi / βi series (e.g., αi4/4000, αi8/3000i)

• Power Supply: αiPS series power supply modules

6. Common Alarms

• ALM300: Overcurrent

• ALM430: Internal overheating

• ALM510: FSSB communication error

• AL‑UV: DC bus undervoltage

• AL‑FAN: Cooling fan fault

7. Maintenance & Safety

• Maintenance: Clean filters monthly; check fans quarterly; tighten terminals quarterly.

• Safety: Only qualified technicians to service; high residual voltage remains after power‑off; ensure proper grounding.