A20B-8200-0385
May 22, 2026

A20B-8200-0385

Part Number: A20B-8200-0385 Manufacturer: FANUC Type: 0i-C series CNC main control motherboard Status: Discontinued, available new old stock, refurbished and used Weight: Approx 0.27kg

Description

Basic Information

Part Number: A20B-8200-0385
Manufacturer: FANUC
Type: 0i-C series CNC main control motherboard
Status: Discontinued, available new old stock, refurbished and used
Weight: Approx 0.27kg

Compatibility

Applicable system: FANUC 0i-MC, 0i-TC
Built-in PMC: PMC-SB7
Mount position: Main slot behind LCD/MDI unit
Compatible replacement: A20B-8200-0384, A20B-8200-0393

Specifications

Processor: 32-bit CNC central processing unit
Interfaces: Servo & spindle port, PMC I/O bus, Ethernet, RS-232, memory card slot
Operating temperature: 0°C ~ 55°C
Humidity: 5%-95% RH, non-condensing
Power supply: Internal backplane DC power

Main Functions

Core operation of CNC and PMC program
Axis motion and spindle speed control
Data processing and parameter storage
External communication and peripheral signal exchange

Installation Notice

Cut off power supply before disassembly and assembly
Wear anti-static wrist strap to prevent static damage
Install board in fixed slot and fasten firmly
Backup all parameters and programs before replacement

Troubleshooting

System fails to boot: Check power supply and board installation
Communication abnormal: Inspect port wiring and connection status
Program lost: Restore saved CNC and PMC data


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