Operator Control  09.02 
6-4  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating Instructions 
P
+
P P
+
P P P
Fault not
acknow-
ledged
Fault
acknow-
ledged
Fault
with a fault
condition
Display before
fault/alarm
After
delay time
Alarm
cause
removed
Alarm
Fault not
acknow-
ledged
Fault
acknow-
ledged
Alarm
cause
removed
or or
or
or
 
Figure 6.3  Operator control structure of the PMU for alarms and faults 
Handling of fault and alarm messages (reset, move into the "background" in order to parameterize) is described 
in Chapter 7 in detail. 
 
Figure 6.4  Shifting the PMU display for parameters  
values with more than 4 digits 
+
P
+
P
 
 
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