Description
The Fanuc A20B-8200-0542 is a critical main CPU motherboard engineered for the Series 30i-B, 31i-B, and 32i-B CNC control systems. As the central logic processing unit within the numerical control rack, this printed circuit board executes high-speed data processing essential for multi-axis interpolation, PMC logic control, and servo loop management. This original OEM component utilizes advanced surface-mount technology on a high-density multi-layer substrate to ensure electrical stability and resistance to thermal fluctuations typical in heavy industrial environments. It facilitates direct communication between the CNC interface and the servo amplifier modules via the Fast Servo Serial Bus (FSSB), ensuring microsecond-level synchronization required for precision machining.
Technical Specifications:
Manufacturer: Fanuc Corporation
Part Number: A20B-8200-0542
Component Type: Master PCB / Main Board
Compatible Control Series: Series 30i-B, 31i-B, 32i-B
Architecture: High-density SMT
Bus Interface: FSSB, High-Speed I/O Link
Operating Temperature: 0 – 55 °C
Mounting Format: System Rack Slot-Mount
Industrial Application:
This motherboard is the primary replacement solution for machining centers and turning systems experiencing boot failures, system parity errors (Sys Fail), or logic lockups. It is extensively deployed in automotive powertrain manufacturing and aerospace component milling where high-reliability processing is mandatory. Replacing a faulty main board with this genuine unit restores original factory parameters regarding processing speed and axis coordination, minimizing unscheduled downtime in high-volume production lines.
Key Attributes
I/O Number: Other
Memory: ROM, Flash Memory, Eprom, Eeprom, Fram, Ram, I/O Memory, Data Memory
Operating Voltage: 220 V, 110 V, 240 V
Place of Origin: Japan
Brand Name: Fanuc
Application: Electronic Equipment, Industrial Automation, Industrial Control, PLC Programming
Communication Interface: Ethernet, Modbus, Ethercat, Wireless Communication, Can Bus, CC-Link, Profibus, I/O Link, Devicenet, Modubus, Rs485
Type: PAC, PLC, Dedicated Controller
Product name: Fanuc A20B-8200-0542 cnc original motherboard pcb board
Condition: 100% Original
Warranty: 12 Months for new, 3 months for used
Shipping term: All terms are accepted
Type: Eletronic Component
Quality: 100% Strictly Tested
Application: For cnc machine, robotics
Payment term: T.T, e-checking, Alipay, credit card
Model number: A20B-8200-0542
Item: Fanuc A20B-8200-0542 cnc original motherboard pcb board
Packaging and Delivery
Selling Units: Single item
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