Siemens SIPROTEC 5 Manual page 261

NOTE
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A shortened record results when the device is in the ramp-up phase, a trigger occurs and the pre-
trigger time buffer is not filled by this.
•
If the device is in the ramp-up phase and a failure has already occurred, the trigger is ignored.
•
If a time jump occurs during the pre-trigger time and before triggering, the recorded pre-trigger time
is reduced to the time interval between the time jump and the trigger time.
SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017
Fault Recorder
7.2 Function-Group Type Recorder
261