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FANUC Series 20 A20B-2900-0481

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A20B-2900-0481

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The A20B-2900-0481 Flash ROM memory PCB module from FANUC is engineered to securely hold system memory as well as CNC programs and ladder logic. Designed to be compatible with the FANUC Series 16 and 18 CNC control systems, it offers a substantial data capacity of 1 MB.

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Technical specifications for A20B-2900-0481

ManufacturerFANUC
Product TypeFlash ROM Memory PCB Module
Product LineSeries 20
Part NumberA20B-2900-0481
Weight0.44 lbs (0.20 kg)
FunctionStores system memory, ladder, CNC programs
Memory TypeFlash ROM
Memory Capacity1 MB
CompatibilityFanuc Series 16 and 18 CNC control systems (FS16‑T/M, FS18‑T/M)
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 FANUC part number A20B-2900-0481 is a Flash ROM memory PCB module specifically designed for CNC applications. This unit plays a critical role in storing vital data, including system memory, ladder logic, and CNC program files. Offering a notable memory capacity of 1 MB, it effectively supports the operational needs of FANUC Series 16 and 18 CNC control systems, specifically the FS16-T/M and FS18-T/M models.

Constructed with a protection class of IP20, it is suitable for environments that are relatively clean and dry. The enclosure rating is classified as NEMA 1, indicating a good level of shielding from dust ingress. Natural cooling is employed for efficient thermal management, ensuring reliable operation within specified temperature limits. The module can function properly in ambient temperatures ranging from 0 degrees Celsius to a maximum of 40 degrees Celsius.

With operating and storage humidity levels capped at 80% (non-condensing), this module retains its functionality in moderately humid conditions. Furthermore, it can be utilized at altitudes of up to 1000 meters above sea level, allowing for flexibility in various industrial settings where placement at elevation is necessary.