Siemens SINUMERIK 840D sl Commissioning Manual page 44

Licensing
4.1 SINUMERIK License Key
CompactFlash card as a spare part
If the CompactFlash card of a SINUMERIK controller is replaced, for example, because of
defective hardware, the license key loses its validity and the system is no longer operational.
In case of defective hardware of the CompactFlash card, contact the "Technical Support". They
will then send you a new license key without delay. The following data is required:
● Hardware serial number of the defective CompactFlash card
● Hardware serial number of the new CompactFlash card
Note
Only CompactFlash cards can be used that were released as spare part, as only these are
known to the license database.
Determining the hardware serial number
The hardware serial number is a permanent part of the CompactFlash card. It is used to identify
a control system uniquely. The hardware serial number can be determined by:
● Certificate of License (CoL)
● SINUMERIK user interface
● Label on the CompactFlash card
Note
Hardware serial number and CoL
The hardware serial number is located only on a CoL of the system software or if the license
was ordered bundled, in other words the system software came together with options.
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CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA