Siemens Sinamics CU240D-2 DP Operating Instructions Manual page 261

7. Enter your password. Length of the password: 1 ... 30 characters.
Recommendation for assigning a password:
– Only use characters from the ASCII set of characters.
– For an adequately secure password, the password must have a minimum length of 8
8. The "Copy RAM to ROM" option is active as standard.
The option must be active in order that the inverter keeps the know-how protection
settings after switching off and switching on the power supply.
9. Click on "OK".
You have activated know-how protection.
❒
Preventing data reconstruction from the memory card
As soon as know-how protection has been activated, the inverter only backs up encrypted
data to the memory card.
In order to guarantee know-how protection, after activating know-how protection, we
recommend that you insert a new, empty memory card. For memory cards that have already
been written to, previously backed up data that was not encrypted can be reconstructed.
Changing the password
Procedure with STARTER
Select the inverter in the project and open the dialog screen form using the shortcut menu
"Know-how protection drive unit → Change password ...".
Deactivating know-how protection, deleting a password
Procedure with STARTER
1. Go online with STARTER.
2. Select the required inverter in the project.
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
If you use arbitrary characters for the password, changing the windows language
settings after activating know-how protection can result in problems when
subsequently checking a password.
characters, and must include uppercase and lowercase letters as well as a
combination of letters, numbers and special characters.
Backing up data and series commissioning
7.6 Know-how protection
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