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3. Call the shortcut menu "Write protection drive unit > Activate".
Figure 5-1
Activating write protection
Active write protection can be identified as in the expert list the input fields of adjustable
parameters p … are shaded gray.
Note
Know-how protection with active write protection
If write protection is active, the know-how protection setting cannot be changed.
Note
Access via fieldbus
Per default, in spite of write protection, parameters can be changed via fieldbuses with
acyclic access. If write protection should also be active for access operations via fieldbuses,
then in the expert list, you must set p7762 to 1.
4. Select the "Copy RAM to ROM" icon to retentively save the settings.
Deactivating write protection
1. Go online.
2. Select the required drive unit in the project navigator of your STARTER project.
3. Call the shortcut menu "Write protection drive unit > Deactivate".
The hatching in the expert list disappears after deactivation. The parameters can be set
again.
4. Select the "Copy RAM to ROM" icon to retentively save the settings.
Security measures for SINAMICS
5.2 Write protection and know-how protection
Industrial Security
Configuration Manual, 08/2017, A5E36912609A
33