Siemens SINAMICS G120D Operating Instructions Manual page 184

Advanced commissioning
8.12 Safe Torque Off (STO) safety function
Function description
Do you have to assign a password?
The probabilities of failure (PFH) and certification of the safety functions also apply without
password.
The machine manufacturer decides whether or not a password is required.
Further information
What do I do if I lose the password?
You have forgotten the password, however, you would nevertheless like to change the setting
of the safety functions.
Procedure
1. Create a new project for the converter using Startdrive.
Leave all the settings in the project on those set in the factory.
2. Load the project in the converter.
After loading, the converter has the factory settings.
3. If a memory card inserted in the converter, remove it.
4. Recommission the converter.
You can obtain additional information or learn about alternative procedures from Product
Support.
182
Product Support (Page 363)
Converter with the control units CU240D-2
Operating Instructions, 10/2020, FW V4.7 SP13, A5E34262100B AH