Advanced commissioning
7.9 Safe Torque Off (STO) safety function
Converter with control units CU250D-2
258 Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
Protection of the settings from unauthorized changes
The safety functions are protected against unauthorized changes by a password.
Table 7- 34 Parameter
p9761
(factory setting 0000 hex)
Permissible passwords lie in the range 1 … FFFF FFFF.
p9762
Configuring safety functions
Procedure with STARTER
To configure the safety functions, proceed as follows:
1. Go online.
2. Select the "Safety Integrated" function
3. Select "Change settings".
4. Selecting "STO via terminal":
You have completed the following commissioning steps:
● You have started to commission the safety functions.
● You have selected the basic functions with control via onboard terminals of the inverter.
The other selection options are described in the "Safety Integrated Function Manual". See
also section: Manuals for your inverter (Page 387).