Description
A16B-2203-0662 is a FANUC servo amplifier wiring/control PCB used inside αi series CNC servo amplifier modules.
Basic Description
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Manufacturer: FANUC
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Part Number: A16B-2203-0662
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Type: Servo amplifier wiring / control printed circuit board (PCB)
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Application: FANUC αi servo drive modules in CNC machines.
Where It Is Used
This board is installed in single-axis αi servo amplifiers, specifically the SV160 type amplifier module.
Example configuration:
| Servo Amplifier Model | Amplifier Order No. | Wiring Board |
|---|---|---|
| αi SV160 | A06B-6114-H106 | A16B-2203-0662 |
This means the board is part of the SV160 servo drive used to control larger servo motors in CNC machines.
Main Functions
The A16B-2203-0662 PCB performs several internal amplifier tasks:
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Interfaces signals between the CNC controller and servo amplifier
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Handles motor feedback signals (encoder/resolver)
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Distributes control signals to the power stage (IGBT / drive circuits)
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Supports current, speed, and position control loops
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Provides alarm and communication signals within the drive system.
Typical Machines
You will find this board in machines such as:
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CNC machining centers
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CNC turning centers
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Industrial machines using FANUC αi servo systems.
✅ Simple explanation:
A16B-2203-0662 = wiring/control PCB inside a FANUC αi SV160 servo amplifier that manages signals between the CNC controller and servo motor drive.