U.4.50
SEL-421/SEL-421-1 Relay User’s Guide Date Code 20020501
Basic Relay Operations
Reading Oscillograms, Event Reports, and SER
action prompt. Type the 2AC<Enter> command, and then type
the correct password to go to Access Level 2. You will see the
=>> action prompt.
Step 2. Enter SER trigger data. Type SET R TERSE<Enter> to
access the Report settings (See Figure 4.45). Type <Enter> to
move past the SER Chatter Criteria setting. At the SER Points
and Aliases action prompt line, type TRGTR,“TARGET
RESET PB”,TEST,OFF<Enter>. At the next line, type
END<Enter>. 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 and Aliases
(Relay Word Bit, Alias Name, Alias for Set State, Alias for Clear State)
1:
? TRGTR,“TARGET RESET PB”,TEST,OFF
2:
? END<Enter>
Save settings (Y,N) ?Y<Enter>
Saving Settings, Please Wait...........
Settings Saved
=>>
Figure 4.45 Setting an SER Element: Terminal.
Step 3. Generate an SER record. Press and release the front-panel
{TARGET RESET} pushbutton.
Step 4. View the SER report. Type SER<Enter> (at the Access
Level 1 prompt or higher). The relay presents a screen similar
to the SER display of Figure 4.44.
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 in the
Applications Handbook.
Step 1. Prepare to monitor the relay at Access Level 1. Using a
communications terminal, type ACC<Enter>. Type the Access
Level 1 password and press <Enter>. You will see the =>
action prompt.
Step 2. View the events file directory. Type FILE DIR REPORTS
<Enter>. The terminal lists the file names for standard reports
as shown in Figure 4.46.
Step 3. Prepare the relay to download SER report. Type FILE READ
REPORTS SER.TXT<Enter>. If you want the Compressed
ASCII file, type FILE READ REPORTS
CSER.TXT<Enter>.
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