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FANUC Series 20 A20B-3900-0071

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A20B-3900-0071

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The FANUC A20B-3900-0071 is a flash/EPROM storage printed circuit board (PCB) crucial for maintaining non-volatile memory in CNC systems. With a capacity of 16 MB, it is essential for storing software, parameters, and part programs while ensuring reliable operation.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for A20B-3900-0071

ManufacturerFANUC
Product TypeFlash/EPROM Storage PCB
Product LineSeries 20
Part NumberA20B-3900-0071
Weight1.00 lbs (0.45 kg)
FunctionProvides non-volatile memory for CNC system software, parameters, and part programs
Memory Capacity16 MB
Operating Voltage5 V
Number of Connectors1
CompatibilityFANUC Series 16i, 18i, 21i, 0i CNC controllers
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 part number A20B-3900-0071 from FANUC is an essential PCB designed specifically for flash and EPROM storage functions. It is responsible for providing reliable non-volatile memory that retains CNC system software alongside essential parameters and part programs even in the event of power loss. With a substantial memory capacity of 16 MB, this PCB ensures that all necessary data is kept safe and retrievable when needed.

This model operates efficiently at a voltage of 5 V and comes equipped with a single connector. It is designed to work seamlessly with FANUC Series 16i, 18i, 21i, and 0i CNC controllers, establishing its versatility across various models.

The A20B-3900-0071 ensures robustness with an IP20 protection class, safeguarding it against dust and solid particles. The NEMA 1 enclosure rating means it is suitable for general indoor applications. It operates effectively within temperatures ranging from 0 to 40 degrees Celsius. Moreover, this module is equipped to handle maximum ambient and storage humidity levels of up to 80%, provided moisture does not condense.

Additionally, the module supports installations at altitudes up to 1000 meters above sea level, making it adaptable for different operational locations. Cooling is accomplished naturally without the need for active ventilation, contributing to its streamlined design.