ABB RELION 670 Series Technical Manual page 1165

Generator protection

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time tagged in the main processing module, while the binary input channels are time tagged

directly on each I/O module. The events are produced according to the set of event masks. The

event masks are treated commonly for both the LON and SPA channels. All events according to the

event mask are stored in a buffer, which contains up to 1000 events. If new events appear before

the oldest event in the buffer is read, the oldest event is overwritten and an overflow alarm

Two special signals for event registration purposes are available in the IED, Terminal Restarted

(0E50) and Event buffer overflow (0E51).

The input parameters can be set individually from the Parameter Setting Tool (PST) under: Main

Menu/Settings / IED Settings / Monitoring / Event Function or via parameter Setting Tool (PST)

OnSet, at pick-up of the signal

OnReset, at drop-out of the signal

OnChange, at both pick-up and drop-out of the signal

AutoDetect, event system itself make the reporting decision, (reporting criteria for integers

has no semantic, prefer to be set by the user)

The Status and event codes for the Event functions are found in table 858.

Table 858: Status and event codes

These values are only applicable if the Event mask is masked ≠ OFF.

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Single indication

Double indication

Station communication

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