Safe Speed Monitor Restart - Siemens Sinamics S110 Function Manual

8.5.7.3

Safe Speed Monitor restart

Restart after pulse suppression for p9309/p9509 = 0
If the drive pulses have been suppressed using OFF1/OFF2/STO, the following steps must
be carried out for a restart:
1st scenario:
● State after power-on:
● Deselect STO.
● A drive enable via a positive edge at OFF1 must occur within 5 seconds after deselection
2nd scenario
● Situation:
● Select STO
● Deselect STO.
● A drive enable via a positive edge at OFF1 must occur within 5 seconds after deselection
Function Manual
Function Manual, 01/2011, 6SL3097-4AB10-0BP3
– SSM selected,
– STO selected,
– Pulse suppression active
of the STO, otherwise the drive will drop back into the STO state.
– SSM selected
– Motor turning
– OFF1 triggered, pulses are suppressed
STO activated internally via pulse suppression: This activation must be undone by
selection/deselection.
of the STO, otherwise the drive will drop back into the STO state.
Safety Integrated Functions
8.5 Safety Integrated Extended Functions
387