Siemens SINAMICS S120 Function Manual page 129

Restart after pulse cancellation for p9509.0 = 0
If the drive pulses have been suppressed using OFF1/OFF2/STO, the following steps must
be carried out for a restart:
1. Case
2. Case
Safety Integrated
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
State after switching on
•
SSM active
•
STO selected
•
Pulse suppression active
•
Deselect STO
•
The drive enable must be issued within 5 seconds via a positive edge at OFF1, other-
•
wise STO is reactivated.
Situation
•
SSM active
•
Motor turning
•
OFF1 triggered, pulses are suppressed
•
Select STO
•
Deselect STO
•
STO activated internally via pulse suppression: This activation must be undone by se-
lecting/deselecting STO.
The drive enable must be issued within 5 seconds via a positive edge at OFF1, other-
•
wise STO is reactivated.
Description of Safety Integrated functions
4.2 Safety Integrated Extended Functions
127