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PNS630 Handheld Analyzer User Manual
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10.4 Statistics
In Statistic, the abnormal GOOSE message can be tracked.
GOOSE Statistics
Press Refresh to reset the statistics to zero and re-start record.
Message total fram number: The total message from beginning.
SqNum Loss: Record the frame-drop number. The SqNum will keep increasing when
StNum does not change. If SqNum is not continuous or keeps decreasing, it is SqNum
drop-frame.
SqNum initial value error: When SqNumber is set as 0, but the received GOOSE initial
value is not 0, then it is the SqNumber initial value error.
SqNum repeat: If the continuous SqNum keeps the same number, it is SqNum repeat.
SqNum error sequence : If the SqNum number is bigger than the next SqNum, it is
SqNum error sequence.
Note: The situation of setting 0 is not included.
StNum error sequence: When GOOSE bit-change, the StNum will keep increasing. If
the StNum number is bigger than the next StNum, it is StNum error sequence.
Virtual deformation: When the received StNum keeps increasing, it is bit-change
happened. But when the channel does not change in GOOSE, it is virtual deformation.
Testing mode: When it is 1, it is the testing mode.