Description
🔧 A16B-2203-0650 — Description
A16B-2203-0650 is a FANUC printed circuit board (PCB) used inside Alpha i spindle amplifier modules (aiSP series).
📌 Full Technical Description
- Manufacturer: FANUC
- Part Number: A16B-2203-0650
- Type: Spindle wiring / power PCB (circuit board)
- Series: A16B-2203 (PCB board series)
- Application: Installed inside FANUC spindle amplifier units
⚙️ Function (What it does)
- Acts as a wiring / power interface board inside the spindle amplifier
- Distributes electrical connections between:
- Power section
- Control PCB
- Spindle motor connections
- Supports internal signal routing and power handling
👉 In simple terms:
It is an internal circuit board of the spindle drive, not a standalone module.
🔍 Where it is used
- Used in FANUC Alpha i spindle amplifiers (aiSP)
- Typically found in:
- 2.2 kW spindle amplifier modules (200V class)
- Associated with models like:
- A06B-6111 / A06B-6112 series spindle amplifiers
🧩 Important Notes
- ⚠️ Not sold separately (in most cases)
- Usually replaced along with the complete spindle amplifier unit
- Part of a group of similar boards:
- A16B-2203-0650 / 0651 / 0652 / 0653
- Classified as a base circuit board / wiring PCB
🏭 Typical Role in System
Inside a CNC machine:
- CNC Control → sends commands
- Spindle Amplifier → processes power/control
- A16B-2203-0650 PCB → handles internal wiring & power distribution
👍 Summary
A16B-2203-0650 = FANUC spindle amplifier internal wiring PCB
➡️ Installed inside Alpha i spindle drive
➡️ Handles internal electrical connections
➡️ Not a standalone replaceable unit in most cases