PRS-7910
PRS-7910 13
(separated by their different addresses and record groups) in non-volatile memory and follow the
FIFO principle (First in First Out, when the available space is exhausted, the oldest record will be
automatically overwritten by the latest one).
5.2.1 SOE Records
IO Events
"MainMenu"-> "Database"->"Records"->"SOE Records"->"BI"
When a binary input is energized or de-energized, i.e., its state has changed from "0" to "1" or from
"1" to "0", it will be stored and displayed.
Supervision Events
"MainMenu"-> "Database"->"Records"->"SOE Records"->"Alarm"
The device is under automatic supervision all the time. If there is any failure or abnormal condition
detected (E.g. VT circuit failure, abnormal power supply of BI module), it will be stored and
displayed.
Disturbance Records
"MainMenu"-> "Database"->"Records"->"SOE Records"->"Op_Element"
When any protection element operates or drops off, such as fault detector, distance protection,
etc., they will be logged in disturbance records.
All the Records
"MainMenu"-> "Database"->"Records"->"SOE Records"->"All data types"
Select this item to view all the above records.
5.2.2 Operation Logs
"MainMenu"-> "Database"->"Records"->"Operation Logs"->"Control"
This menu contains all the manipulation logs of the connected IEDs, including control, regulation,
setting modification, group number modification, virtual measurement/status, setting download,
program download, configuration file download and miscellaneous event.
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