Advanced commissioning
7.7 Safe Torque Off (STO) safety function
SIMATIC ET 200pro FC-2 converter
120
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257324B AF
7.7.3.2
Safety functions password
What is the purpose of the password?
The password protects the settings of the safety function from being changed by
unauthorized persons.
Do you have to assign a password?
You do not have to assign a password.
The machine manufacturer decides whether or not a password is required.
The probabilities of failure (PFH) and certification of the safety functions also apply without
password.
What do I do if I lose the password?
Requirement
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 inverter with STARTER.
Leave all the factory setting in the project.
2.
Load the project in the inverter.
After loading, the inverter has the factory settings.
3.
If a memory card inserted in the inverter, remove it.
4.
Recommission the inverter.
You can obtain more information or learn about alternative procedures from Technical
Support.
7.7.3.3
Protection of the settings from unauthorized changes
No.
Description
p9761
Entering a password (factory setting 0000 hex)
0:
No password set
1 … FFFF FFFF:
Password is set
p9762
New password
p9763
Password confirmation
