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FANUC Series 20 A20B-8100-0381

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A20B-8100-0381

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The FANUC A20B-8100-0381 is a dedicated axis and servo control printed circuit board (PCB) designed for precision motion tasks. It interfaces the CNC CPU with servo amplifiers and is crucial for managing both encoder feedback and drive signals.

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Technical specifications for A20B-8100-0381

ManufacturerFANUC
Product TypeAxis/Servo Control PCB
Product LineSeries 20
Part NumberA20B-8100-0381
FunctionInterfaces CNC CPU with servo amplifiers for axis motion control; handles encoder feedback and drive signals
Mount TypeRack Mount
Operating Voltage5 V
Voltage TypeDC
Status IndicatorLEDs
CompatibilityFANUC Series 15/16/18/21 CNC systems
Protection ClassIP20
Enclosure RatingNEMA 1
CoolingPassive
Maximum Ambient Temperature40 degrees Celsius
Minimum Ambient Temperature0 degrees Celsius
Maximum Operating Humidity80% (non-condensing)
Maximum Storage Humidity80% (non-condensing)
Maximum Altitude1000m above sea level
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The A20B-8100-0381 from FANUC is an axis and servo control PCB that excels in facilitating the communication between a CNC CPU and servo amplifiers. It is engineered to effectively manage encoder feedback and drive signals essential for axis movement control. Operating at a precise voltage of 5 volts DC, this module is designed for rack mounting to optimize space utilization within control assemblies.

In terms of environmental resilience, the board is rated to function effectively in temperatures ranging from 0 to 40 degrees Celsius. With an IP20 protection class, it is recommended for use in clean environments without exposure to moisture. The enclosure is rated NEMA 1, signifying its basic protection against dust but not against water. Regarding humidity, it is capable of tolerating operating and storage levels of up to 80% without condensation, ensuring stable performance in varied atmospheric conditions.

Furthermore, this PCB is compatible with multiple CNC system families, including FANUC Series 15, 16, 18, and 21, making it a versatile choice for various setups. The unit is passively cooled to maintain operating temperatures efficiently. Ideal for applications requiring reliable control and feedback mechanisms, it is suitable for altitudes reaching up to 1000 meters above sea level.