1. General Information

• Part Number: A06B-6097-H204

• Model: αi SVM2‑40/40HV (Dual‑axis High Voltage Servo Amplifier)

• Brand: FANUC

• Application: High‑voltage servo drive for heavy‑duty CNC machines, machining centers, and high‑power automation systems

• Communication Interface: FSSB (FANUC Serial Servo Bus, fiber‑optic)

• Weight: Approx. 6.8 kg (15.0 lbs)

• Mounting: Vertical, cabinet‑mounted

2. Electrical Ratings

• DC Bus Input Voltage: 566 – 651 VDC

• Rated Input Power: 12 kW

• Output Voltage: 460 VAC (3‑phase, per axis)

• Rated Output Current (per axis): 13 A (continuous)

• Number of Axes: 2 (L‑axis / M‑axis)

• Control Method: FSSB fiber‑optic serial communication

• Cooling: Built‑in forced air cooling (internal fan)

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

• Storage Temperature: −20 °C to +60 °C

3. Protection Functions

• Overvoltage protection

• Undervoltage protection

• Overcurrent protection

• Short‑circuit protection

• Overtemperature protection

• Fan failure detection

• Regenerative resistor overload protection

4. Connector Description

• CXA2A / CXA2B: 24 VDC power supply & absolute encoder battery backup

• FSSB IN / OUT: Fiber‑optic communication ports (CNC ↔ amplifier)

• CN1L / CN1M: Motor encoder feedback (L‑axis / M‑axis)

• CN2L / CN2M: Motor power (U/V/W, L‑axis / M‑axis)

• P / N: DC bus positive/negative terminals; regenerative resistor connection

• PE: Protective earth (ground) terminal

5. Compatibility

• CNC Systems: 15i, 16i, 18i, 20i, 21i, 30i‑B (FSSB interface)

• Servo Motors: αi‑B HV series, 40‑class (e.g., αiS/αiF 6/3000HV and above)

• Power Supply Unit: A06B‑6091 series HV power supply

• Absolute Encoder Battery: A06B‑6093‑K001

6. Key Features

• Dual‑axis high‑power drive (40/40 HV rating)

• Fiber‑optic FSSB bus for high noise immunity and reduced wiring

• Compact, high‑density design for cabinet space saving

• Supports absolute encoder position retention (battery backup)

• Built‑in self‑diagnostics and alarm code reporting

• Suitable for 400 VAC (460 V) industrial power systems

7. Notes

• High‑voltage (HV) model: For 460 VAC motor systems only (not 200 V class)

• Requires FSSB‑capable CNC (no analog or pulse‑train interface)

• Common alarm codes: Fan stop (1), DC link undervoltage (5), axis overcurrent (8/A), FSSB communication error (368/369)