Description
The Siemens battery (order number 6FC5247-0AA18-0AA0) is the backup battery for the NCU fan/battery module of the Siemens SINUMERIK 840D sl CNC system, NCU 710/720/730 family. Replace it periodically to protect SRAM data (machine data, tool offsets, part programs) against power-off loss.
- Order number: 6FC5247-0AA18-0AA0
- System: SINUMERIK 840D sl
- Type: backup battery for NCU fan/battery module
- Function: SRAM data retention — replace periodically
- Availability: New, used and refurbished — tested before dispatch
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