Siemens SINAMICS G120 Operating Instructions Manual page 416

Appendix
A.2 Activating licensed functions
3. Appropriately complete the fields below, and then click on the "Display license key"
button.
The current license key is then displayed.
4. Enter your e-mail address and click on "Request license report".
5. You receive the license report as a PDF. In addition to the actual license key, it includes
the serial number of the memory card and all of the licenses assigned to this memory
card.
You have requested the license key as e-mail.
Note
A new license is not required if you upgrade/downgrade to older or newer software versions.
For this reason, do not delete the license key from the memory card
(..\KEYS\SINAMICS\KEYS.txt), if you want to switch over to another software version.
416
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB