Inverter messages after the tolerance time has expired:
● Discrepancy (fault F01600 or F30600 with fault value r0949 = 1030)
● The inverter sets the fault bit of the safety functions (= internal event).
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
✓
✓
---
STO cause – selection via Power
Module terminals
r9772.25
---
---
---
"Standard" acknowledgment
p2103
---
---
---
Fail-safe acknowledgment
r9720.7
✓
✓
---
ON/OFF1
r0054.0
---
---
---
Example 3: Switch on the motor after a discrepancy
Procedure
To switch the motor on again, proceed as follows:
1. Remove the discrepancy.
2. Acknowledge the discrepancy message
Selected setting
How can the internal event be acknowledged?
F-DI
1)
PROFIsafe
Alternative
Basic functions via on‐
board terminals
Select and deselect
STO (F‑DI =
1 → 0 → 1)
---
Switch off the
power supply volt‐
age and switch
on again.
Basic Functions via
PROFIsafe and on‐
board terminals
or
Extended Functions
via PROFIsafe and Ba‐
sic Functions via on‐
board terminals
Select and deselect
STO (F‑DI =
1 → 0 → 1)
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)
Switch off the
power supply volt‐
age and switch
on again.
1)
The message cannot be acknowledged using the Power Module terminals.
3. Acknowledge the inverter with the "standard" acknowledge signal.
4. Issue an OFF1 command (ON/OFF1 = 0).
5. Enter a speed setpoint = 0 (motor is stationary) – and switch on the motor (ON/OFF1 = 1).
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
231
