Uploading Of Recordings - ABB Relion SMU615 Technical Manual

Section 7
Measurement functions
7.2.2.5
204
Table 249: Sampling frequencies of the disturbance recorder analog channels
Storage rate Recording
(samples per length
fundamental
cycle)
32 1* Record
length
16 2* Record
length
8 4 * Record
length

Uploading of recordings

The merging unit stores COMTRADE files to the C:\COMTRADE\ folder. The files
can be uploaded with the PCM600 or any appropriate computer software that can
access the C:\COMTRADE\ folder.
One complete disturbance recording consists of two COMTRADE file types: the
configuration file and the data file. The file name is the same for both file types. The
configuration file has .CFG and the data file .DAT as the file extension.
A070835 V1 EN
Figure 128: 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 merging unit's IP number and a
Sampling Sampling
frequency of frequency of
analog binary
channels, when channels, when
the rated the rated
frequency is 50 frequency is 50
Hz Hz
1600 Hz 400 Hz
800 Hz 400 Hz
400 Hz 400 Hz
1MRS758407 B
Sampling Sampling
frequency of frequency of
analog binary
channels, when channels, when
the rated the rated
frequency is 60 frequency is 60
Hz Hz
1920 Hz 480 Hz
960 Hz 480 Hz
480 Hz 480 Hz
SMU615
Technical Manual