Siemens SINAMICS S120 Commissioning Manual page 240

Diagnostics
3.5 Fault and alarm messages
Acknowledgement of faults
The list of faults and alarms specifies how each fault is acknowledged after the cause has
been remedied.
1. Acknowledgement of faults by "POWER ON"
2. Acknowledgement of faults by "IMMEDIATE"
3. Acknowledge faults with "PULSE INHIBIT"
238
– Switch the drive on/off (POWER ON)
– Press the RESET button on the Control Unit
– Via PROFIBUS control signal
STW1.7 (reset fault memory): 0/1 edge
Set STW1.0 (ON/OFF1) = "0" and "1"
– Via external input signal
Binector input and interconnection with digital input
p2103 = "Requested signal source"
p2104 = "Requested signal source"
p2105 = "Requested signal source"
Across all of the drive objects (DO) of a Control Unit
p2102 = "Requested signal source"
– The fault can only be acknowledged with a pulse inhibit (r0899.11 = 0).
– The same possibilities are available for acknowledging as described under
acknowledge IMMEDIATELY.
Note
The drive can only resume operation after all active faults have been acknowledged.
Commissioning Manual, (IH1), 01/2012, 6SL3097-4AF00-0BP2
Commissioning Manual