Siemens Sinamics S110 Function Manual page 399

3rd scenario
● Situation: Run until standstill with SDI selected, then OFF2 activated
● Deselect SDI
● Select SDI
● After this the drive enable must be given by a positive edge at OFF1.
4th scenario
● Situation: All Safety Integrated functions are deselected
● After this the drive enable must be given by a positive edge at OFF1.
Function Manual
Function Manual, 01/2011, 6SL3097-4AB10-0BP3
STO activated internally via OFF2: This activation must be undone by deselecting SDI.
Note
In the 4th scenario the motor is not reliably started.
Safety Integrated Functions
8.5 Safety Integrated Extended Functions
397