Independent of the voltage levels available, the inverter sets the evaluation of the discrepant
fail-safe digital input into the safe state (= zero) until you acknowledge the inverter using a fail-
safe signal or you switch off the power supply voltage and switch it on again.
Inverter signal
Parameters
Included in the PROFI‐
safe telegram
Can be interconnec‐
ted with
F-DI
F-DO
Internal event
r9722.7
✓
---
✓
STO active (basic functions)
r9773.1
✓
---
✓
SS1 active (basic functions)
r9773.6
✓
---
✓
Deselect SS1 (basic functions)
r9773.5
✓
✓
---
"Standard" acknowledgment
p2103
---
---
---
Fail-safe acknowledgment
r9720.7
✓
✓
---
ON/OFF1
r0054.0
---
---
---
Operation
6.5 Safe Stop 1 (SS1)
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
247