Description
🔧 FANUC A06B-6111-C002 – Full Description
The A06B-6111-C002 is a servo amplifier (drive) module from FANUC, designed for controlling servo motors in CNC machines and automated systems.
📌 Basic Identification
- Part Number: A06B-6111-C002
- Type: Servo Amplifier / Servo Drive Module
- Series: A06B-6111 (Compact αi series servo drives)
- Interface: Standard FANUC servo control interface
⚙️ Function
This module functions as the power and control unit for a servo motor, providing:
- 🌀 Precise position control
- ⚡ High-torque current supply for servo motors
- 🔄 Acceleration and deceleration control
- 🎯 Closed-loop feedback using encoder signals
In simple terms: It converts electrical power into controlled rotary motion for a CNC axis.
⚡ Technical Specifications
- Power Class: Low-to-medium power servo drive
- Input Voltage: Typically 200–240 VAC
- Output Current: Moderate, suitable for small to medium servo motors
- Cooling: Natural convection or small forced-air fan (depending on setup)
- Communication: FANUC serial or analog servo interface
🧩 Key Features
- ⚙️ Compact modular design
- 🔗 Fully compatible with FANUC CNC systems
- 🎯 High-precision motion control for CNC axes
- 🔧 Supports repair, refurbishment, and exchange programs
🧩 Applications
Used in:
- CNC lathes
- Milling machines
- Machining centers
- Industrial automation systems requiring servo motor control
🔧 Internal Construction
The module typically contains:
- Power PCB (handles high-current output to servo motor)
- Control PCB (processes commands from CNC controller)
- IGBT modules for switching high-current loads
- Cooling system (fan or heat sink)
⚠️ Normally serviced as a complete module, not as separate PCBs.
🚨 Common Fault Symptoms
If this module is faulty, you may encounter:
- Servo motor does not move
- Alarm codes on CNC related to axis (ALM / SERVO)
- Servo trips or overcurrent faults
- Unstable or jerky axis movement
📊 Position in FANUC Range (6111 Series)
| Model | Power |
|---|---|
| C002 | Low-to-medium servo power (axis drive) |
| H002 | Low power spindle / servo modules |
| Higher C/H numbers | Higher power / higher capacity drives |
C002 = entry-level compact servo amplifier in 6111 series
✅ Summary
A06B-6111-C002
➡️ FANUC αi series compact servo amplifier
➡️ Designed for low-to-medium power servo motors
➡️ Compact, reliable module for precise CNC axis control