ABB Relion 670 series, Руководство по протоколу связи

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Fault record contains signals that provide information on the current disturbance that
the user of the
FaultRecord has selected. It provides signals that help the user to iterate
and browse through the existing disturbances. All the signals that can be used to iterate
the fault records can be mapped as binary outputs in PCM600 and operated on with
CROBs. All signals that provide information on the current disturbance can be mapped
as analog inputs and read by the master. The DNP3 master navigates through the
FaultRecord using the three signals:
• GetFirstRec fetches the oldest record in the FaultRecord .
• GetNextRec fetches the next record in time in the FaultRecord relative to the
previously fetched record. If the previously fetched record is the newest, no fetch
is done.
• GetPrevRec fetches the previous record in time in the FaultRecord relative to the
previously fetched record. If the previously fetched record is the oldest, no fetch is
done.
When a new disturbance is recorded, and the outputs are mapped to one of the event
classes, events are generated, but the navigation in the
FaultRecord is not affected.
Hence, when the next command is sent from the DNP3 master, the fetched position is
relative to the last fetch done; the position in the
FaultRecord before the new
disturbance occurred.
The output signals provide the fault record number, which is the number of the
disturbance in the LHMI or PCM600, the number of faults in the IED, the active
setting group at the time of the disturbance recording, the trigger signal identity, the
time stamp at the trigger time as well as the fault location and the fault type. In
addition, the magnitude, angle, fault magnitude and fault angle are provided for up to
30 of the analog channels connected to the disturbance recorder, and for the last 10
analog channels, the calculated value at the trigger time is provided.
1MRK 511 391-UUS C
Section 3
Vendor-specific implementation
670 series 2.2 ANSI 23
Communication protocol manual