P.8.16
SEL-411L Relay Protection Manual Date Code 20151029
Oscillography, Events, and SER
Event Reports, Event Summaries, and Event Histories
You can retrieve event reports with the ACSELERATOR QuickSet Analysis >
View Event History menu. The Analysis > View Event Files menu gives you
oscillogram/element displays, phasor displays, harmonic analysis, and an
event summary for each event you select in the Event History dialog box.
You can also download event report files from the relay. Use a terminal
emulation program with file transfer capability. At an Access Level 1 prompt
or higher, type FILE READ EVENTS E8_nnnnn.TXT <Enter> for the
8-samples/cycle event report and type FILE READ EVENTS
E4_nnnnn.TXT <Enter> for the 4-samples/cycle event report (nnnnn is the
event serial number). Start the terminal download routine to store the file on
your computer. If you want the Compressed ASCII file, use the
C8_nnnnn.TXT and C4_nnnnn.TXT file names for the 8-samples/cycle and
4-samples/cycle Compressed ASCII event reports, respectively.
The following discussion shows sample portions of an event report that you
download from the relay using a terminal and the EVE command. An event
report contains analog, digital, summary, and settings sections without breaks.
EVE A Return only the analog information for the most recent event report.
EVE ACK Acknowledge the oldest unacknowledged event at the present com-
munications port.
EVE C n Return a particular n event report at a 15-cycle length with 8-sam-
ples/cycle data.
EVE D n Return only the digital information for a particular n event report.
EVE n L Return a particular n event report at full length with 8-samples/cycle
sampling.
EVE n Lyyy Return yyy cycles of a particular n event report with 4-samples/cycle
data.
EVE N Return the oldest unacknowledged event report with 4-samples/cycle
data (N = next).
EVE n NSET Return a particular n event report without settings at full length with
4-samples/cycle data.
EVE n NSUM Return a particular n event report without the event summary at full
length with 4-samples/cycle data.
EVE n Sx Return a particular n event report at full length with x-samples/cycle
data.
EVE n TE Return a particular n event report at full length without the report
header with 4-samples/cycle data.
a
The optional parameter n indicates event order or serial number (see Event Numbering).
b
The parameter x is 4 or 8 to represent data resolution of 4 samples/cycle and 8
samples/cycle, respectively.
c
The parameter yyy represents an event length in cycles.
Table 8.4 EVE Command Examples
Example Description
EVE L10 S8 Return 10 cycles of an 8-samples/cycle event report for the most
recent event.
EVE L010 A Return 10 cycles of the analog portion only of the most recent
event report at 4-samples/cycle resolution.
EVE 2 NSET For the second most recent event, return the event report with no
settings at 4-samples/cycle data.
Table 8.3 EVE Command (Sheet 2 of 2)
Command
a
,
b
,
c
Description
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