Technical data

Diagnostics
3.5 Fault and alarm messages
Commissioning Manual
Commissioning Manual, (IH1), 01/2011, 6SL3097-4AF00-0BP1
229
Properties of the alarm buffer/alarm history:
● The arrangement in the alarm buffer is made after the time that they occurred from 7 to 0.
In the alarm history, this is from 8 to 63.
● If 8 alarms have been entered into the alarm buffer, and a new alarm is received, then the
alarms that have been resolved are transferred into the alarm history.
● r2121 is incremented each time the alarm buffer changes.
● An alarm value (r2124) can be output for an alarm. The alarm value is used to diagnose
the alarm more accurately; please refer to the alarm description for details of the
meaning.
Deleting the alarm buffer, index [0...7]:
● The alarm buffer index [0...7] is reset as follows: p2111 = 0