Siemens Sinamics S120 Function Manual page 50

Overview of Safety Integrated functions
3.2 Safety Integrated Extended Functions
S electing S LS at low v elocities
If the motor velocity when selecting SLS is less than the SLSlimit, then the drive responds as
follows:
Des electing SLS
If the higher-level controller deselects SLS , then the converter deactivates limiting and
monitoring.
S witching over the monitoring limits
When SLS is active, you can switchover between 4 different speed levels. An exception is
"SLS without selection": In this case, there is only one limit.
50
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Safety Integrated