Section 9
1MAC050144-MB C
Recording functions
602
615 series ANSI
Technical Manual
Figure 322:
Digital fault recorder file naming
The naming convention of 8+3 characters is used in COMTRADE file naming. The file
name is composed of the last two octets of the IED's IP number and a running counter,
which has a range of 1...9999. A hexadecimal representation is used for the IP number
octets. The appropriate file extension is added to the end of the file name.
9.1.1.6
Deletion of recordings
There are several ways to delete digital fault records. The recordings can be deleted
individually or all at once.
Individual digital fault recorder can be deleted with the PCM tool or any appropriate
computer software, which can access the IED's
C:\COMTRADE
folder. The digital fault
recorder is not removed from the IED memory until both of the corresponding
COMTRADE files, .CFG and .DAT, are deleted. The user may have to delete both of the
files types separately, depending on the software used.
Deleting all digital fault records at once is done either with the PCM tool or any
appropriate computer software, or from the LHMI via the
Clear/Digital fault recorder
menu. Deleting all digital fault recorders at once also clears the pre-trigger recording in
progress.
9.1.1.7
Storage mode
The digital fault recorder can capture data in two modes: waveform and trend mode. The
user can set the storage mode individually for each trigger source with the
Storage mode
parameter of the corresponding analog channel or binary channel, the
Stor. mode manual
parameter for manual trigger and the
Stor. mode periodic
parameter for periodic trigger.
In the waveform mode, the samples are captured according to the
Storage rate
and
Pre-trg
length
parameters.
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