Safety Integrated Basic Functions
10.10 Commissioning the "STO", "SBC" and "SS1" functions
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
715
Acknowledging the Safety faults
There are several options for acknowledging Safety faults (for more details see SINAMICS
S120 Commissioning Manual with STARTER):
1. Faults associated with Safety Integrated Basic Functions must be acknowledged as
follows:
– Remove the cause of the fault.
– Deselect "Safe Torque Off" (STO).
– Acknowledge the fault.
If the Safety commissioning mode is exited when the safety functions are switched off
(p0010 = value not equal to 95 for p9601 = 0), then all the Safety faults can be
acknowledged.
Once Safety commissioning mode has been selected again (p0010 = 95), all the faults
that were previously present reappear.
2. The higher-level controller sets the signal "Internal Event ACK" via the PROFIsafe
telegram (STW bit 7). A falling edge in this signal resets the status "Internal Event" and so
acknowledges the fault.
Note
Safety faults can also be acknowledged (as with al
l other faults) by switching the drive unit
off and then on again (POWER ON).
If this action has not eliminated the fault cause, the fault is displayed again immediately after
power
-up.
Description of faults and alarms
Note
The faults and alarms fo
r SINAMICS Safety Integrated functions are described in
S120/S150 List Manual
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