Siemens SINAMICS G120 Function Manual page 194

Operation
6.6 Safely Limited Speed (SLS)
Scenario 2: The absolute value of the load speed is higher than the monitoring threshold.
Function
1. The inverter brakes the motor.
2. The inverter monitors the speed after the delay time has expired.
3. If you deselect SLS, then the motor accelerates again up to the speed setpoint.
Figure 6-24
194
Selecting and deselecting the SLS safety function at high speeds
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 04/2014, FW V4.7, A5E34261271B AA