Siemens Sinamics G120 Function Manual page 137

When SS1 is selected, the inverter brakes the motor with the OFF3 ramp-down time.
After the delay time, independent of the actual speed, the inverter switches off the motor torque
using the STO function.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Commissioning
5.11 Setting basic functions
137