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FANUC Series 20 A20B-3900-0011

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A20B-3900-0011

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The FANUC A20B-3900-0011 is a ROM/EPROM/Flash memory PCB designed for storing critical components of CNC systems, including firmware and part parameters. With a voltage requirement of 5V, this component integrates seamlessly with FANUC CNC Series 16i, 18i, and 21i.

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Technical specifications for A20B-3900-0011

ManufacturerFANUC
Product TypeROM/EPROM/Flash Memory PCB
Product LineSeries 20
Part NumberA20B-3900-0011
Weight0.25 lbs (0.11 kg)
FunctionProvides non-volatile storage for CNC system firmware, parameters, and part programs
Operating Voltage5 V
Number of Connectors1
CompatibilityFANUC CNC Series 16i, 18i, 21i
Protection ClassIP20
Enclosure RatingNEMA 1
CoolingNatural
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-3900-0011 model from FANUC is a memory PCB that employs ROM/EPROM/Flash technology, essential for non-volatile storage in CNC systems. This PCB is tasked with maintaining critical firmware, parameters, and part programs, ensuring reliable operation in various machining tasks.

Operated at a nominal voltage of 5V, the board features one connector and is specifically designed for compatibility with FANUC's CNC Series 16i, 18i, and 21i. The unit is enclosed with an NEMA 1 rating indicating that it is suitable for use in indoor applications where environmental protection against dust and accidental contact is necessary.

For thermal management, the A20B-3900-0011 uses natural cooling. It is built for environments with ambient temperatures ranging from 0 to 40 degrees Celsius. Notably, the module supports a maximum altitude of 1000 meters, which allows it to be stationed in numerous industrial settings.

Furthermore, the operational and storage humidity levels are rated at a maximum of 80% (non-condensing), ensuring stability and functionality in various climate conditions. This capability enhances the overall reliability of the memory PCB, making it an integral component within FANUC CNC systems.