Description
A20B-8100-0271 is a printed circuit board (PCB) used in CNC control systems manufactured by FANUC.
š Basic Information
-
Part Number: A20B-8100-0271
-
Type: Printed Circuit Board (PCB)
-
Category: Control / Interface Board
-
Used In: FANUC CNC controllers (commonly Series 0i / 16i / 18i / 21i, depending on machine configuration)
āļø Main Functions
The A20B-8100-0271 board is used for signal processing and communication between modules inside the CNC control system.
Typical roles include:
-
Communication between CNC control boards
-
Processing machine control signals
-
Interface management with other system modules
-
Supporting the overall operation of the CNC controller
š§© 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
š Related Boards
The A20B-8100 PCB family includes multiple boards used in FANUC CNC systems, for example:
-
A20B-8100-0150
-
A20B-8100-0261 ~ 0264
-
A20B-8100-0271
-
A20B-8100-0660 ~ 0665
-
A20B-8100-0830
These boards typically differ in hardware revisions, firmware compatibility, or machine-specific configurations.
ā
Simple explanation:
A20B-8100-0271 = FANUC internal CNC control PCB used for communication and signal processing inside the CNC controller. š§

