A20B-3900-0224
Part Number: A20B-3900-0224
Manufacturer: FANUC
Type: FROM/SRAM DIMM memory card
Status: Discontinued, available in stock new, refurbished and used
Form: Compact plug-in module
Description
Part Number: A20B-3900-0224Manufacturer: FANUCType: FROM/SRAM DIMM memory cardStatus: Discontinued, available in stock new, refurbished and usedForm: Compact plug-in module
Compatibility
Applicable CNC: 16i-B, 18i-B, 21i-BMounted slot: Dedicated memory slot on main CPU board
Specifications
FROM capacity: 32MBSRAM capacity: 2MBSupply voltage: 3.3V DCOperating temperature: 0°C ~ 55°CHumidity: 5%-95% RH, non-condensingInterface: FANUC proprietary edge connector
Main Functions
Store CNC system firmware and PMC programsSave running parameters, tool offset and real-time dataBuilt-in backup battery keeps data after power offSupport system firmware upgrade and recovery
Installation Notice
Power off equipment and wait 5 minutes before operationUse anti-static protection to avoid component damageAlign card notch correctly, do not install forciblyReplace backup battery regularly to prevent data loss
Troubleshooting
Boot error: Check card installation and battery voltageData missing: Recover data after battery inspectionSystem abnormality: Confirm matching CNC model
Model Comparison
A20B-3900-0163: 32MB FROM, 1MB SRAM, old versionA20B-3900-0223: 32MB FROM, 1MB SRAM, updated versionA20B-3900-0224: 32MB FROM, 2MB SRAM, larger runtime memory
Get a Quote