Overview
6FC5247-0AA06-0AA0 is an NCU battery + fan combination plug-in box dedicated to the SINUMERIK 840D/DE system. The DC24V fan is forced heat dissipation for the NCU module. It is only suitable for the 840D/DE standard model and is not compatible with subsequent upgrade models such as 840D sl.
Specification
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FAQ:
1.What are the functions of the lithium battery and fan in 6FC5247-0AA06-0AA0?
- Lithium battery (3V): Backs up the NCU’s SRAM data (processing parameters, programs, etc.) after power failure + maintains the real-time clock, and triggers an alarm if the voltage is too low.
- Cooling fan (DC24V, 40×40×28mm): Forces heat dissipation for the NCU to avoid abnormal performance or hardware damage caused by overheating.
2.How to replace the 6FC5247-0AA06-0AA0 module? What precautions should be taken when replacing?
- Emergency stop→Power off and tag out→Wear anti-static bracelet
- Pull out the old module from the NCU box, align the new module with the guide rail and push into the lock (completed within 15 minutes)
- Power on self-test, check voltage/fan/data/no alarm
Note: Replacement must be completed within 15 minutes after power outage (data is irreversibly lost after the capacitor is discharged). It is recommended that 2 people cooperate to shorten the operation time.
Looking for Original New NUMERIK 840D DE Battery Insert With Battery Fan 6FC5247-0AA06-0AA0?
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