Description
Product Overview
The FANUC A20B-8100-0661 is a high-performance printed circuit board engineered specifically for AC servo motor control within advanced CNC machine architectures and power station automation systems. Manufactured in Japan, this component represents the pinnacle of Original Engineering, ensuring precise signal processing, current regulation, and seamless communication between the CNC controller and the servo amplifier module. It is designed to mitigate electrical noise and thermal degradation in continuous-duty industrial environments.
Technical Specifications
Manufacturer: FANUC
Model Number: A20B-8100-0661
Component Type: AC Servo Motor Control Circuit Board
Logic Input Voltage: 24V DC ± 10%
Power Interface Compatibility: 200V – 240V AC
Communication Protocol: FSSB (Fanuc Serial Servo Bus)
Operating Temperature: 0°C to 55°C
Storage Temperature: -20°C to 60°C
Relative Humidity: 10% to 90% (non-condensing)
Dimensions: 250mm x 150mm x 30mm
Weight: 0.45 kg
Mounting Style: Plug-in chassis mount
PCB Material: FR-4 High Tg (Glass-reinforced epoxy laminate)
Certifications: CE, UL, RoHS compliant
Machine Compatibility & Integration
Ensuring absolute Technical Compatibility, the A20B-8100-0661 integrates directly into FANUC Alpha and Alpha i series servo amplifier modules. It functions as the primary logic and control interface, processing encoder feedback and executing high-speed current loop calculations. Proper installation restores factory-level precision to multi-axis milling and turning centers, eliminating positioning errors and servo alarm faults.
Industrial Application
This circuit board is critical for power station automation and heavy-duty CNC machining applications where microsecond-level servo response is required. In a turbine blade manufacturing cell, the A20B-8100-0661 ensures the AC servo motors maintain exact torque and velocity profiles, preventing tool chatter and surface finish defects on complex aerospace alloys. Its robust thermal design prevents logic failure during continuous 24/7 operation in high-temperature plant environments.
Lifecycle & Availability
Procuring authentic FANUC components is vital for minimizing unplanned downtime. We maintain optimized inventory levels to ensure a minimized Lead Time for critical spare parts. This original circuit board guarantees extended lifecycle value, reducing the frequency of maintenance interventions and safeguarding your capital equipment investment.
Key Attributes
Place of Origin: Japan
Model Number: A20B-8100-0661
Brand Name: Fanuc
Condition: 100% Original
Packaging and Delivery
Selling Units: Single item
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