Fanuc ai Servo Amplifier Power PCB 200VAC-input A16B-2203-0660

A16B-2203-0660 is an internal printed circuit board (PCB) used in servo amplifier modules produced by FANUC.

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📌 Basic Information

• Part Number: A16B-2203-0660

• Type: Servo Amplifier Internal PCB

• Category: Control / Interface Board

• Used In: FANUC αi (Alpha-i) servo amplifier modules

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⚙️ Main Function

The A16B-2203-0660 board works as an internal control/interface board inside the servo amplifier.

Main roles include:

• Handling signal communication between amplifier circuits

• Supporting servo control processing

• Routing feedback signals from servo motor encoders

• Managing control signals between power module and CNC controller

This board operates inside the servo drive unit and is not used independently.

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🔧 System Role

Inside a FANUC αi servo amplifier, several boards work together:

1. Control PCB

2. Power drive module

3. Interface / wiring board → A16B-2203-0660

4. Communication interface (FSSB fiber link)

Together they allow the amplifier to control servo motors with high precision.

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🧩 Typical Applications

This board is found in servo amplifiers used in:

• CNC machining centers

• CNC lathes

• Grinding machines

• Industrial automation equipment using FANUC servo systems

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✅ Simple explanation:
A16B-2203-0660 = internal control/interface PCB used inside FANUC αi servo amplifier modules. 🔧