Siemens SINAMICS S120 Function Manual page 56

Overview of Safety Integrated functions
3.2 Safety Integrated Extended Functions
Selecting SLS at low velocities
If the motor velocity when selecting SLS is less than the SLSlimit, then the drive responds as
follows:
Deselecting SLS
If the higher-level controller deselects SLS , then the converter deactivates limiting and
monitoring.
Switching 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.
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Function Manual, 12/2018, 6SL3097-5AR00-0BP1
Safety Integrated