Inverter messages after the tolerance time has expired:
● Discrepancy (fault F01611 or F30611 with fault values r0949 = 2000 or 2002)
● The inverter sets the error bit of the safety functions (= internal event).
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 Parameter 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 ✓ --- ✓
STO deselection (basic functions) r9773.0 ✓ ✓ ---
"Standard" acknowledgment p2103 --- --- ---
Fail-safe acknowledgment r9720.7 ✓ ✓ ---
ON/OFF1 r0054.0 --- --- ---
Operation
6.3 Safe Torque Off (STO)
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 227
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