FANUC CNC Dual-Axis Servo Amplifier A06B-6117-H201 αi SV 4/4 Advanced Control Technology for Multi-Axis Applications

FANUC CNC Dual-Axis Servo Amplifier A06B-6117-H201 αi SV 4/4

The FANUC CNC Dual-Axis Servo Amplifier A06B-6117-H201 αi SV 4/4 is a high-performance, compact servo drive designed for integrated control of two servo axes in CNC machinery, robotics, and industrial automation systems. Part of FANUC's αi SV series, this amplifier combines advanced control technologies with modular design principles to deliver exceptional precision, dynamic responsiveness, and operational reliability in multi-axis applications.

Key Specifications and Features

• Model: A06B-6117-H201
• Series: αi SV 4/4 (Dual-Axis Configuration)
• Rated Output Current per Axis: 4Arms (continuous), with peak current capability of 8Arms (100ms) for transient loads.
• Control Method: Full-digital sine-wave PWM with IGBT bridge and HRV3+ control technology, achieving a current loop bandwidth of 1.5kHz for rapid torque response.
• Input Power: Three-phase AC200V (±10%), 50/60Hz, with active power factor correction (PFC) to reduce harmonic distortion and energy consumption.
• Compatible CNC Systems: Fully compatible with FANUC 0i-F Plus, 30i/31i/32i-MODEL B Plus, and Power Motion i-MODEL A controllers, supporting advanced functions like AI Nano Contour Control and AI Thermal Displacement Compensation.
• HRV3+ Control: Enhances position/speed accuracy by suppressing mechanical resonance and vibration, enabling ±0.001mm positioning repeatability in precision machining.
• Integrated Safety Functions:
  • Overcurrent, overvoltage, overheat, and short-circuit protection.
  • Real-time monitoring of motor temperature, insulation resistance, and encoder health.
  • Compliance with ISO 13849-1 (PL d) and IEC 61508 (SIL 2) safety standards.
• Thermal Design:
  • Forced-air cooling with integrated temperature sensors and automatic derating at high ambient temperatures.
  • High-efficiency heat sinks and vibration-resistant PCBs for operation in 0°C to +55°C environments.
• Modular Architecture:
  • Supports daisy-chaining of up to four αi SV 4/4 amplifiers for eight-axis synchronization.
  • Hot-swappable design with LED status indicators for easy maintenance.

Performance Advantages

• Ultra-Precision Motion Control:
  • 20-bit absolute encoder feedback (1,048,576 pulses/rev) enables sub-micron positioning accuracy.
  • Sub-millisecond latency in torque response ensures minimal tracking error during high-speed acceleration/deceleration.
• Energy Efficiency:

  • 97% power conversion efficiency reduces energy waste and heat generation.

  • Active regeneration circuitry recovers braking energy, lowering operational costs.
• Industrial Robustness:
  • IP67-rated connectors and conformal-coated PCBs resist dust, moisture, and vibration.
  • Shock resistance of 30G (11ms) and vibration resistance of 5–500Hz (1.5G) ensure reliability in harsh environments.
• Smart Diagnostics:
  • Built-in AI Servo Tuning optimizes PID gains automatically.
  • FANUC Picture Diagnostics provides real-time visualization of motor current, temperature, and vibration spectra.

Application Scenarios

• Compact CNC Machining Centers:
  • Drives two axes in lathes, milling machines, and grinding centers for precision component manufacturing (e.g., automotive gears, hydraulic valves).
• Multi-Axis Robotic Arms:
  • Enables coordinated motion control in pick-and-place robots, welding robots, and assembly lines with ±0.02mm repeatability.
• Semiconductor Production Equipment:
  • Controls wafer handling and positioning stages in lithography, etching, and bonding machines, ensuring ±0.5μm accuracy.
• Medical Device Manufacturing:
  • Used in CNC lathes for producing orthopedic implants and surgical instruments with Ra 0.4μm surface finishes.

Specification Table

Conclusion

The FANUC CNC Dual-Axis Servo Amplifier A06B-6117-H201 αi SV 4/4 represents a compact, high-performance solution for multi-axis motion control in precision industrial applications. Its combination of HRV3+ control, industrial-grade robustness, and smart diagnostics makes it indispensable in CNC machining, robotics, semiconductor production, and medical device manufacturing. Whether driving two axes in a compact CNC machine or enabling coordinated motion in a robotic arm, the αi SV 4/4 delivers the performance, reliability, and efficiency required to meet the demands of modern advanced manufacturing.