U.4.55
Date Code 20090715 User’s Guide SEL-421 Relay
Basic Relay Operations
Reading Oscillograms, Event Reports, and SER
c. At the SER Points and Aliases prompt line, type the
following:
TRGTR,“TARGET RESET PB”,TEST,OFF,N
<Enter>.
At the next line, type END <Enter>.
d. The relay prompts you to save the new setting; type Y
<Enter>.
=>>SET R TERSE <Enter>
Report
SER Chatter Criteria
Automatic Removal of Chattering SER Points (Y,N) ESERDEL := N ? <Enter>
SER Points
(Relay Word Bit, Reporting Name, Set State Name, Clear State Name, HMI Alarm)
1:
? TRGTR,“TARGET RESET PB”,TEST,OFF
2:
? END <Enter>
Save settings (Y,N) ? Y <Enter>
Saving Settings, Please Wait...........
Settings Saved
=>>
Figure 4.47 Setting an SER Element: Terminal
Step 3. Press and release the front-panel {TARGET RESET} pushbutton to
generate an SER record.
Step 4. Type SER <Enter> (at the Access Level 1 prompt or higher) to
view the SER report.
The relay presents a screen similar to the SER display of
Figure 4.46.
Downloading an SER Report File
The procedure in the following steps shows you how to retrieve the SER
report stored in the relay as a file. For this procedure, you must use a terminal
emulation program with file transfer capability. For more information on the
SER, see SER (Sequential Events Recorder) on page A.3.34.
Step 1. Prepare to monitor the relay at Access Level 1.
a. Using a communications terminal, type ACC <Enter>.
b. Type the Access Level 1 password and press <Enter>.
You will see the Access Level 1 => prompt.
Step 2. Type FILE DIR REPORTS <Enter> to view the events file
directory.
The terminal lists the file names for standard reports as shown
in Figure 4.48.
Step 3. Prepare the relay to download the SER report.
a. Type FILE READ REPORTS SER.TXT <Enter>.
b. If you want the Compressed ASCII file, type the
following:
FILE READ REPORTS CSER.TXT <Enter>
Courtesy of NationalSwitchgear.com
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