Siemens Sinamics S110 Function Manual page 317

Figure 8-7
Due to the hysteresis, the safe output signal for SSM can also lie above the parameterized
velocity limit at 1. This is a characteristic of the hysteresis.
Note
When the hysteresis and filter is activated with output signal SSM, the axes behave in a
time-delayed manner. This is a characteristic of the filter.
Features
● Safe monitoring of the speed limit specified in p9346 and p9546
● Parameterizable hysteresis via p9347 and p9547
● Variable PT1 filter via p9345 and p9545
● Failsafe output signal
● No stop response
Overview of important parameters (see SINAMICS S110 List Manual)
● p9345 SI motion filter time nx (Power Module)
● p9545 SI motion filter time nx (Control Unit)
● p9346 SI motion velocity limit n_x (Power Module)
● p9546 SI motion velocity limit n_x (Control Unit)
● p9347 SI motion velocity hysteresis (crosswise) (Power Module)
● p9547 SI motion velocity hysteresis (crosswise) (Control Unit)
● r9722.0...15 CO/BO: SI motion PROFIsafe status signals
Drive functions
Function Manual, 10/2008, 6SL3097-4AB10-0BP0
Safe output signal for SSM with hysteresis
Safety Integrated Functions
8.5 Extended Functions
317