9.23
Date Code 20150130 Instruction Manual SEL-787 Relay
Analyzing Events
Sequential Events Recorder (SER) Report
When Relay Word bit PB02 is asserted, the SER report will show the date and
time of FP_LOCK PICKUP. When Relay Word bit PB02 is deasserted, the
SER report will show the date and time of FP_LOCK DROPOUT. With this
and other alias assignments, the SER record is easier for the operator to
review. See Relay Word Bit Aliases on page 4.109 for additional details.
Retrieving and
Clearing SER Reports
See SER Command (Sequential Events Recorder Report) on page 7.35 for
details on the SER command.
Example SER Report
The example SER report in Figure includes records of events that occurred
before the beginning of the event summary report in Figure 9.3.
=>SER <Enter>
SEL-787 Date: 02/14/2008 Time: 13:22:53
TRNSFRMR RELAY Time Source: Internal
Serial No = 000000000000000
FID = SEL-787-X122HR-V0-Z001001-D20080212 CID = 26FF
# DATE TIME ELEMENT STATE
5 02/14/2008 13:09:57.353 87R Asserted
4 02/14/2008 13:09:57.353 TRIPXFMR Asserted
3 02/14/2008 13:09:57.615 ORED51T Asserted
2 02/14/2008 13:19:17.186 SALARM Asserted
1 02/14/2008 13:19:18.190 SALARM Deasserted
=>
Figure 9.8 Example Sequential Events Recorder (SER) Event Report
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