Description
🔧 A16B-2203-0813 – Description
The part A16B-2203-0813 is a PCB (Printed Circuit Board) / drive board used in FANUC servo amplifier systems, manufactured by FANUC.
📌 Official Description:
- Type: PC Board / Drive Board (PCB)
- Series: A16B-2203
- Application: Servo amplifier (αi series)
- Used in: SVM2 servo amplifier modules (e.g., SVM2-40/80HVi)
⚙️ Main Function:
This board works as a drive/control + power interface PCB inside the servo amplifier and is responsible for:
- ⚡ Power distribution within the amplifier
- 🔄 Supporting servo drive circuitry (motor control)
- 🔌 Managing internal electrical connections
- 🔗 Enabling communication between CNC control and servo system
👉 Simple explanation:
It is a critical internal board that helps the servo amplifier control axis movement and motor performance.
🧩 Where It Is Used:
- Installed inside FANUC α / αi servo amplifiers
- Commonly found in:
- CNC machining centers
- CNC lathes
- Industrial automation machines
🔍 Relation to Other Variants:
The 0813 version belongs to the same family as:
- 0810
- 0811
- 0812
- 0814
- 0815
👉 All are:
- Same base board type (power/drive PCB)
- Different due to revision, compatibility, or minor circuit updates
🛠️ Common Failure Symptoms:
If this board is faulty, you may see:
- Servo amplifier alarms (SV alarms)
- Axis not moving or unstable
- Drive not powering correctly
- CNC machine stopping intermittently
✅ Simple Summary:
A16B-2203-0813 = FANUC servo amplifier drive/power PCB (internal board) used to control and supply power for servo motor operation.