Siemens Sinamics G120P Operating Instructions Manual page 424

Functions
7.7 Application-specific functions
Activate and deactivate write protection
Precondition
You are online with STARTER.
Procedure
Proceed as follows to activate or deactivate the write protection:
1. Select the inverter in your STARTER
project with the left mouse button.
2. Open the shortcut menu with a right
click.
3. Activate or deactivate write protection.
4. Press the "Copy RAM to ROM" button
(
lost when the inverter is switched off.
Points to note about restoring the factory settings
If you select "Reset to factory settings" using the
the following confirmation prompt opens.
The confirmation prompt is not issued if you select another way to restore the factory setting,
e.g. using the expert list.
Note
Points to note regarding CAN, BACnet and MODBUS
Using these bus systems, parameter factory settings can be changed despite active write
protection. So that write protection is also active when accessing via these fieldbuses, you
must additionally set p7762 to 1.
This setting is only possible via the expert list.
424
). Otherwise, your settings will be
button when write protection is active,
Operating Instructions, 12/2014, A5E32923362A
Inverter cabinet units