Fanuc Series communication board A for 16i/ 18i/ 21i A20B-8100-0262

A20B-8100-0262 is a printed circuit board (PCB) used in CNC control systems manufactured by FANUC.

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📌 Basic Information

• Part Number: A20B-8100-0262

• Type: Printed Circuit Board (PCB)

• Category: Control / Interface Board

• Used In: FANUC CNC controllers (commonly Series 0i / 16i / 18i / 21i, depending on the machine configuration)

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⚙️ Main Functions

The A20B-8100-0262 board is used for internal communication and signal processing inside the CNC control system.

Typical functions include:

• Data communication between CNC modules

• Signal processing for machine control

• Interface management with other system boards

• Supporting overall CNC controller operation

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🧩 Installation Location

This PCB is typically installed:

• Inside the CNC control cabinet

• On the main control rack / motherboard assembly

• Connected through the FANUC system backplane

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🔎 Related Board Family

The A20B-8100 series includes several similar internal boards used in FANUC CNC systems, such as:

• A20B-8100-0150

• A20B-8100-0261

• A20B-8100-0262

• A20B-8100-0660 ~ 0665

Differences between these boards generally involve hardware revisions, firmware compatibility, or machine-specific configurations.

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✅ Simple explanation:
A20B-8100-0262 = FANUC internal CNC control PCB used for communication and signal processing inside the CNC controller. 🔧