Description
The Fanuc A20B-8200-0791, frequently associated with the A20B-8200-0790 base specification, is a critical printed circuit board designed for the Fanuc R-30iB and R-30iB Plus robot controller architecture. This component functions as a central logic or servo interface module, facilitating high-speed data transmission between the main CPU and axis amplifiers. Manufactured in Japan to Original Engineering standards, this PCB ensures the integrity of kinematic calculations and motion control signals necessary for precision automation. Verifying Technical Compatibility with the specific controller generation is essential to prevent communication faults and ensure seamless integration into existing backplanes.
Manufacturer: Fanuc Corporation
Country of Origin: Japan
Part Number: A20B-8200-0791
Base Reference: A20B-8200-0790
Component Type: Main Circuit Board / Servo Interface PCB
Controller Compatibility: R-30iB / R-30iB Plus Series
Substrate Material: Multi-layer FR-4 Epoxy Composite
Mounting Interface: Standard Fanuc Backplane Slot
Signal Logic: Digital I/O / Servo Bus Communication
Operating Temperature: 0°C to 55°C
Storage Temperature: -20°C to 60°C
Humidity Rating: 95% Non-condensing
Cooling: Forced Air (System Fan Dependent)
Weight: 0.65 kg (Approximate)
Dimensions: Standard Modular PCB Form Factor
Industrial Application:
This circuit board is specifically utilized in complex robotic cells, such as automotive body assembly lines employing Fanuc R-2000iC robots for spot welding. In this scenario, the A20B-8200-0791 processes real-time feedback from servo encoders to maintain path accuracy and synchronization across multiple axes. Degradation of this board can lead to system parity errors or ‘Servo Off’ alarms, halting production. Immediate replacement with a verified unit restores the communication loop, ensuring robot repeatability within ±0.03 mm tolerances. Maintenance teams should monitor Lead Time for this specific revision to mitigate extended downtime risks in 24/7 manufacturing environments.
Key Attributes
Application: Power Station, Industrial Equipment, Electronic Equipment, Electric Power Transmission, Cnc Machine, Automation
Material: Plastic
Place of Origin: Japan
Brand Name: Fanuc
Packaging and Delivery
Selling Units: Single item
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