frequency, number of analog and binary channels and recording time. Figure 474
shows the number of recordings versus the total recording time tested for a typical
configuration, that is, in a 60 Hz system it is possible to record 80 where the average
recording time is 3.4 seconds. The memory limit does not affect the rest of the
disturbance report (Event list (EL), Event recorder (ER), Indications (IND) and Trip
value recorder (TVR)).
100
400 s
350300
40
60
80
40 analog
96 binary
20 analog
96 binary
3.4s
6.3s
6.3s
60 Hz
50 Hz
6.3s
3.4s
250
Total recording time
Number of recordings
en05000488_ansi.vsd
ANSI05000488 V1 EN
Figure 474: Example of number of recordings versus the total recording time
The maximum number of recordings depend on each recordings total
recording time. Long recording time will reduce the number of
recordings to less than 100.
The IED flash disk should NOT be used to store any user files. This
might cause disturbance recordings to be deleted due to lack of disk space.
Disturbance information
Date and time of the disturbance, the indications, events, fault location and the trip
values are available on the local HMI. To acquire a complete disturbance report the
Section 15 1MRK505222-UUS C
Monitoring
952
Technical reference manual
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