Description
Fanuc A20B-8201-0083 CNC Mainboard Control PCB. This unit functions as the central processing backbone for Fanuc Series 0i-C and compatible CNC control systems, specifically engineered to manage complex logic operations, PMC ladder execution, and servo loop communications in high-speed industrial environments. As a critical component of Original Engineering, this motherboard integrates directly with the CNC backplane, facilitating high-speed data exchange between the CPU, SRAM/DRAM modules, and axis control cards via the FSSB optical interface. The board architecture supports multi-axis synchronization and high-speed interpolation, essential for precision applications such as turret punching machines and multi-tasking turning centers. The PCB layout utilizes high-density Surface Mount Technology (SMT) to ensure vibration resistance and thermal stability within the control cabinet.
Technical Specifications:
Manufacturer: Fanuc Corporation
Part Number: A20B-8201-0083
Component Type: Master PCB / Motherboard
Control System Compatibility: Fanuc Series 0i-Model C / 16i / 18i / 21i
Circuit Architecture: Multi-layer SMT High-Density Logic
Bus Interface: FSSB (Fanuc Serial Servo Bus) Optical Link
Memory Interface: DIMM Slots for SRAM / FROM / DRAM Modules
Communication Ports: JD1A / JD1B / PCMCIA Interface
Expansion Slots: Dedicated slots for Axis Control and PMC Cards
Input Voltage: 5V DC / 24V DC (Internal Bus Regulation)
Operating Temperature Range: 0°C to 55°C
Storage Temperature Range: -20°C to 60°C
Relative Humidity: 95% (Non-condensing)
Mounting Configuration: Rack-mount (Yellow Cabinet Chassis)
Physical Dimensions: 400 mm x 300 mm x 150 mm
Gross Weight: 2.0 kg
Country of Origin: Japan
Warranty: 1 Year
Industrial Application:
This mainboard is the primary replacement solution for CNC systems experiencing parity errors (System Alarm 900 series), watchdog alarms, or boot failures caused by circuit degradation or thermal stress. In the context of a CNC Punching Machine, the A20B-8201-0083 ensures precise timing for ram actuation and sheet positioning, minimizing cycle latency and preventing coordinate drift. Immediate replacement restores Technical Compatibility with existing servo amplifiers and I/O units, significantly reducing unplanned downtime. We offer competitive Lead Time options to support urgent maintenance schedules and ensure rapid machine recovery.
Key Attributes
Machine Type: Punching Machine
Warranty: 1 Year
Machinery test report: Not Available
Video outgoing-inspection: Not Available
Place of origin: Japan
Weight (kg): 3
Brand name: /
Condition: New
MOQ: 1 pc
Warranty: 1 year
Payment: TT Paypal Westernunion Trade Assurance
Delivery time: 7-15 days
Packaging and Delivery
Selling Units: Single item
Single package size: 40X30X15 cm
Single gross weight: 2.000 kg
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