Siemens Sinamics G120 Function Manual page 248

Operation
6.5 Safe Stop 1 (SS1)
Switching on the motor after a discrepancy
Procedure
To switch the motor on again, proceed as follows:
1. Remove the discrepancy.
2. Acknowledge the internal event.
3. Acknowledge the inverter with the "standard" acknowledge signal.
4. Issue an OFF1 command (ON/OFF1 = 0).
5. Switch on the motor (ON/OFF1 = 1).
You have acknowledged the discrepancy message, and switched on the motor again.
248
Selected setting How can the internal event be acknowledged?
F-DI
Basic Functions via on‐ Select and deselect
board terminals SS1 (F‑DI =
1 → 0 → 1)
Basic Functions via Select and deselect
PROFIsafe and on‐ SS1 (F‑DI =
board terminals 1 → 0 → 1)
Extended Functions Select and deselect
via PROFIsafe and Ba‐ SS1 (F‑DI =
sic Functions via on‐ 1 → 0 → 1)
board terminals
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
PROFIsafe
---
Select and deselect STO
(PROFIsafe control word 1,
bit 0 = 1 → 0 → 1)
or
Select and deselect SS1 (PRO‐
FIsafe control word 1, bit 1
= 1 → 0 → 1)
or
Fail-safe acknowledgment
(PROFIsafe control word 1,
bit 7 = 0 → 1 → 0)
Select and deselect STO
(PROFIsafe control word 1,
bit 0 = 1 → 0 → 1)
or
Select and deselect SS1 (PRO‐
FIsafe control word 1, bit 1
= 1 → 0 → 1)
or
Fail-safe acknowledgment
(PROFIsafe control word 1,
bit 7 = 0 → 1 → 0)
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Alternative
Switch off the
power supply volt‐
age and switch
on again.
Switch off the
power supply volt‐
age and switch
on again.
Switch off the
power supply volt‐
age and switch
on again.