15.21
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Communications Interfaces
Virtual File Interface
Reports Directory
Use the REPORTS directory to retrieve files that contain the reports shown in
Table 15.13. Note that the relay provides a report file that contains the latest
information each time you request the file.
NOTE: Not all SEL-400 series relays
support breaker monitoring and
corresponding breaker files.
Events Directory
NOTE: Most SEL-400 series relays
provide large resolution event reports
of 8 samples/cycle. The SEL-487B
provides large resolution event
reports of 12 samples/cycle.
The relay provides history, event reports, and oscillography files in the EVENTS
directory. Event reports are available in the following formats: SEL ASCII 4- or
8-samples/cycle reports and Compressed ASCII 4- or 8-samples/cycle reports.
The size of each event report file is determined by the LER setting in effect at the
time the event is triggered. Higher resolution oscillography is available in binary
COMTRADE (IEEE C37.111-1999) format at the sample rate (SRATE) and
length (LER) settings in effect at the time the event is triggered.
The 4- and 8-samples/cycle report files (files with names that begin with E or C)
are text files with the same format as the EVENT and CEVENT command
responses. Event file names start with the prefix E4_, E8_, E12, C4_, C8_, C12,
or HR_, followed by a unique event serial number. For example, if one event is
triggered, with serial number of “10001”, the EVENTS directory contains the
files shown in Table 15.14. Event oscillography in COMTRADE format consists
of three files (.CFG, .DAT, and .HDR) that conform to the COMTRADE standard.
S SET_Sn.TXT Group n; n in range 1–6 1, B, P, A, O, 2 P, 2
T SET_T1.TXT Alias settings 1, B, P, A, O, 2 P, A, O, 2
All SET_ALL.TXT All instances of all setting classes 1, B, P, A, O, 2 N/A
All ERR.TXT Error log for most recently written settings file 1, B, P, A, O, 2 N/A
NA SET_61850.CID IEC 61850 configured IED description file 1, B, P, A, O, 2 2
NA BAY_SCREEN.TXT Custom bay mimic screen content 1, B, P, A, O, 2 P, A, O, 2
Table 15.12 Typical Settings Directory Files (Sheet 2 of 2)
Settings Class Filename Settings Description Read Access Level Write Access Level
Table 15.13 REPORTS Directory Files
File Usage: All Are Read-Only Files
SER.TXT ASCII SER report, clears SER when read
CSER.TXT Compressed ASCII SER report
BRE_n.TXT BRE n H report, n is the breaker reference
BRE_Sn BRE Sn report, n is the breaker reference
CBRE.TXT Compressed ASCII CBR report
HISTORY.TXT History file
CHISTORY.TXT Compressed ASCII History file
PRO.TXT ASCII Profiling report
CPRO.TXT Compressed ASCII profiling report
Table 15.14 EVENTS Directory Files (for Event 10001) (Sheet 1 of 2)
File Usage
HISTORY.TXT History file; read-only
CHISTORY.TXT Compressed ASCII history file; read-only
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