Siemens SINAMICS S120 Function Manual page 809

Exceptions to write protection
Some functions are excluded from write protection, e.g.:
● Deactivating/activating the write protection
● Changing the access level (p0003)
● Saving parameters (p0971)
● Safe removal of the memory card (p9400)
● Restoring the factory setting
● Transferring the settings from an external data backup, e.g. upload into the drive unit from
a memory card.
The parameters where write protection does not apply can be found in the
SINAMICS S120/150 List Manual in Chapter "Parameters for write protection and know-how
protection", Subsection "Parameters with WRITE_NO_LOCK".
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● r7760
● p7761
● p7762
Drive functions
Function Manual, 06/2019, 6SL3097-5AB00-0BP2
Write protection/know-how protection status
Write protection
Write protection multi-master fieldbus system access behavior
Basic information about the drive system
14.7 Write protection
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