Siemens SINAMICS G120 Operating Instructions Manual page 335

The screen form varies depending on the inverter and the interface that has been selected.
(A)
(B)
(C)
(D)
Image 6-63
2. Select the signal that matches your particular application.
You have interconnected the "STO active" checkback signal. After STO has been selected,
the inverter signals "STO active" to the higher-level control.
Parameter
r9773.01
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
Control type
Delay time for SS1 and enable of SBC for an inverter with CU250S-2 Control Unit
STO via the Power Module terminals for a PM240-2 FSD ... FSF
Enable SBC for an inverter with CU250S-2 Control Unit
Interconnecting "STO active" in Startdrive
Description
1 signal: STO is active in the drive
Advanced commissioning
6.8 Safe Torque Off (STO) safety function
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