Length Of Record; Uploading Of Record - ABB RELION REX640 Technical Manual

1MRS759142 C
3.24.3.2
3.24.3.3
REX640
Technical Manual

Length of record

The recording capability is about 7.4 years when one quantity is recorded and the
demand interval is set to 180 minutes. The recording time scales down proportionally
when a shorter demand time is selected or more quantities are recorded. When the
recording buffer is fully occupied, the oldest data are overwritten by the newest data.
Table 317: Recording capability in days with different settings
1 5
minute minutes
Amount of
quantities
1 15.2 75.8
2 11.4 56.9
3 9.1 45.5
4 7.6 37.9
5 6.5 32.5
6 5.7 28.4
7 5.1 25.3
8 4.5 22.7
9 4.1 20.7
10 3.8 19.0
11 3.5 17.5
12 3.2 16.2

Uploading of record

The protection relay stores the load profile COMTRADE files to the C:\LDP
\COMTRADE folder. The files can be uploaded with PCM600 or any appropriate
computer software that can access the C:\LDP\COMTRADE folder.
The load profile record consists of two COMTRADE file types: the configuration file
(.CFG) and the data file (.DAT). The file name is same for both file types.
To ensure that both the uploaded file types are generated from the same data content,
the files need to be uploaded successively. Once either of the files is uploaded, the
recording buffer is halted to give time to upload the other file.
Data content of the load profile record is sequentially updated.
Therefore, the size attribute for both COMTRADE files is "0".
Demand interval
10 15
minutes minutes minutes
Recording capability in days
151.6 227.4 454.9
113.7 170.6 341.1
91.0 136.5 272.9
75.8 113.7 227.4
65.0 97.5 194.9
56.9 85.3 170.6
50.5 75.8 151.6
45.5 68.2 136.5
41.4 62.0 124.1
37.9 56.9 113.7
35.0 52.5 105.0
32.5 48.7 97.5
Section 3
Basic functions
30 60 180
minutes minutes
909.7 2729.2
682.3 2046.9
545.8 1637.5
454.9 1364.6
389.9 1169.6
341.1 1023.4
303.2 909.7
272.9 818.8
248.1 744.3
227.4 682.3
209.9 629.8
194.9 584.8
291