Fanuc Symbol CAPi T board for 16i/ 18i/ 21i A20B-8100-0264

A20B-8100-0264 is a printed circuit board (PCB) used inside CNC control systems produced by FANUC.

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📌 Basic Information

• Part Number: A20B-8100-0264

• Type: Printed Circuit Board (PCB)

• Category: Control / Interface Board

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

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⚙️ Main Functions

The A20B-8100-0264 board is used for signal processing and communication between modules inside the CNC control system.

Typical functions include:

• Communication between CNC control boards

• Processing control signals

• Interface management with other system modules

• 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

• Connected through the FANUC system backplane

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🔎 Related Board Family

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

• A20B-8100-0150

• A20B-8100-0261

• A20B-8100-0262

• A20B-8100-0263

• A20B-8100-0264

• A20B-8100-0660 ~ 0665

Differences between these boards usually involve hardware revision, firmware compatibility, or machine-specific configurations.

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✅ Simple explanation:
A20B-8100-0264 = FANUC internal CNC control PCB used for communication and signal processing inside the CNC controller. 🔧