Siemens CU240B-2 - Commissioning STO; Commissioning Tools; Safety Functions Password

Advanced commissioning
6.8 Safe Torque Off (STO) safety function
Converter with the CU240B-2 and CU240E-2 Control Units
330 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.8.3
Commissioning STO
6.8.3.1
Commissioning tools
We recommend that you commission the safety functions using the STARTER or Startdrive
PC tool.
6.8.3.2
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.
Does the password need to be set?
The password does not need to be set.
The machine manufacturer decides whether or not a password is required.
The probabilities of failure (PFH) and the certification of the safety functions also apply when
no password has been set.
What do I do if I lose the password?
If you no longer know the password but still want to change the settings for safety functions,
proceed as follows:
1. Create a new project for the inverter with STARTER or Startdrive.
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.
No.
Description
p9761
Entering a password (factory setting 0000 hex)
0: No password set
1 … FFFF FFFF:
Password is set
p9762
New password
p9763
Confirm password