Siemens SINAMICS G120 - Example 1: Internal Event with STO Active

6.10.1 Example 1: Internal event with STO active
Drive response
6SHHG
W
W
,QWHUQDOHYHQW
672DFWLYH
W
'HVHOHFW672
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6WDQGDUGDFNQRZOHGJH
&RQYHUWHU
LGHQWLILHVLQWHUQDO
IDXOW
*UHHQRQ
*UHHQRQ
5HGIODVKHVTXLFNO\
<HOORZRQ<HOORZ
RQ
<HOORZVORZ<HOORZIODVKHVTXLFNO\
/('5'<
/('6$)(
Figure 6-51 Internal event when the STO safety function is active
The inverter signals an internal event.
Inverter signals Parameter Included in the PROFI‐
safe telegram
Can be interconnec‐
ted with
F-DI F-DO
Internal event r9722.7 ✓ --- ✓
STO active (extended functions) r9722.0 ✓ --- ✓
Deselect STO (extended functions) r9720.0 ✓ ✓ ---
"Standard" acknowledgment p2103 --- --- ---
ON/OFF1 r0054.0 --- --- ---
Switching the motor on after an internal event
Procedure
To switch the motor on after an internal event, proceed as follows:
1. Deselect the STO function.
2. Issue an OFF1 command (ON/OFF1 = 0).
3. Acknowledge the inverter with the "standard" acknowledge signal.
4. Switch on the motor (ON/OFF1 = 1).
You have acknowledged the internal event and switched on the motor again.
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Operation
6.10 Stop responses
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
296 Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD