A070835 V1 EN
Figure 353: Disturbance 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.
8.2.1.6 Deletion of recordings
There are several ways to delete disturbance recordings. The recordings can be
deleted individually or all at once.
Individual disturbance recordings can be deleted with the PCM tool or any
appropriate computer software, which can access the IED's C:\COMTRADE folder.
The disturbance recording 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 disturbance recordings at once is done either with the PCM tool or any
appropriate computer software, or from the LHMI via the Clear/Disturbance
records menu. Deleting all disturbance recordings at once also clears the pre-
trigger recording in progress.
8.2.1.7 Storage mode
The disturbance recorder can capture data in two modes: waveform and trend
mode. The user can set the storage mode individually for each trigger source with
1YHT530004D05 D Section 8
Measurement functions
615 series 653
Technical Manual
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