Trip value rec
Event list
Event recorder
Indications
Disturbance
recorder
A1-4RADR
B1-6RBDR
Disturbance Report
Binary signals
Analog signals
A4RADR
B6RBDR
DRPRDRE
IEC09000337-2-en.vsd
IEC09000337 V2 EN
Figure 204:
Disturbance report functions and related function blocks
The whole disturbance report can contain information for a number of recordings,
each with the data coming from all the parts mentioned above. The event list function
is working continuously, independent of disturbance triggering, recording time, and
so on. All information in the disturbance report is stored in non-volatile flash
memories. This implies that no information is lost in case of loss of auxiliary power.
Each report will get an identification number in the interval from 0-999.
en05000161.vsd
Disturbance report
Record no. N
Record no. N+1
Record no. N+100
General dist.
information
Indications
Trip
values
Event
recordings
Disturbance
recording
Event list
IEC05000161 V1 EN
Figure 205:
Disturbance report structure
Up to 100 disturbance reports can be stored. If a new disturbance is to be recorded
when the memory is full, the oldest disturbance report is overwritten by the new one.
The total recording capacity for the disturbance recorder is depending of sampling
frequency, number of analog and binary channels and recording time. In a 50 Hz
system it is possible to record 100 where the maximum recording time is 3.4 seconds.
1MRK 504 135-UEN A
Section 14
Monitoring
467
Technical manual
Summary of Contents for ret650
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