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FANUC Series 20 A20B-3900-0284

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A20B-3900-0284

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The FANUC A20B-3900-0284 is a ROM/Flash memory sub-board crucial for CNC systems. It efficiently retains firmware, parameters, part programs, and ladder logic data, ensuring dependable operation for compatible models.

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Technical specifications for A20B-3900-0284

ManufacturerFANUC
Product TypeROM/Flash memory sub-board
Product LineSeries 20
Part NumberA20B-3900-0284
Weight0.25 lbs (0.11 kg)
FunctionStores CNC system firmware, parameters, part programs, and ladder logic data
Memory TypeROM, Flash type
Memory Capacity32 MB
Operating Voltage3.3 V
Number of Connectors1
CompatibilityFANUC Series 16i/18i/21i-B, 0i-C, 30i/31i
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-3900-0284 from FANUC is a ROM/Flash memory sub-board specifically targeting CNC systems. This component plays a vital role in storing essential data, including the CNC system firmware, part programs, parameters, and ladder logic. With a memory capacity of 32 MB, it ensures ample space for necessary operational data. The board operates at a steady 3.3 V, making it suitable for various industrial applications.

This sub-board has been designed with one connector, ensuring straightforward integration within compatible FANUC systems such as Series 16i, 18i, 21i-B, and 0i-C, as well as 30i and 31i models. Protective measures are incorporated, as evidenced by its IP20 rating and NEMA 1 enclosure, safeguarding the internal components from dust and light contact. The unit relies on natural cooling to maintain optimal performance without the need for active ventilation.

Regarding environmental specifications, the A20B-3900-0284 can operate in ambient temperatures ranging from 0 to 40 degrees Celsius, while it can withstand humidity levels up to 80% (non-condensing) during both operational and storage conditions. Additionally, it supports functioning at altitudes of up to 1000 meters above sea level, making it suitable for various installation locations.