Fanuc ai Servo Amplifier Power PCB 200VAC-input A16B-2203-0691

A16B-2203-0691 is a servo amplifier wiring / interface board used inside servo drive units made by FANUC.

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📌 Basic Information

• Part Number: A16B-2203-0691

• Type: Servo Amplifier Wiring Board / Interface PCB

• Category: Servo drive internal circuit board

• Used In: FANUC αi servo amplifier modules

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⚙️ Main Function

The A16B-2203-0691 board acts as a connection and interface board inside the servo amplifier.

Its main roles include:

• Distributing power and control signals inside the servo amplifier

• Connecting servo amplifier electronics to motor power circuits

• Handling signal routing between the amplifier module and other PCBs

• Supporting servo motor drive operation

It is not a standalone control board; it works as part of the servo amplifier assembly.

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🔧 Servo Amplifier Model Using This Board

This board is commonly used in the single-axis αi servo amplifier model SVM1-20i, such as:

• A06B-6114-H103 (order specification)

• A06B-6114-C103 (unit specification)

In these amplifiers, A16B-2203-0691 is the wiring board specification.

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🧩 Typical System Structure

Inside a FANUC αi servo amplifier:

• Power module

• Control PCB

• Wiring / interface board → A16B-2203-0691

• Motor connection terminals

• FSSB communication interface

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✅ Simple explanation:
A16B-2203-0691 = internal wiring/interface PCB used inside FANUC αi servo amplifier (SVM1-20i).

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💡 If you want, I can also explain the whole relationship between these numbers you asked earlier, like:

• A06B-6114-H103 / C103

• A16B-2203-0691

• A20B-2100-0740

They are three different boards inside the same servo amplifier module, which helps a lot when repairing FANUC drives.