Schweitzer Engineering Laboratories SEL-421-4 - Page 878

3.60
SEL-400 Series Relays Instruction Manual Date Code 20171006
Basic Relay Operations
Reading Oscillograms, Event Reports, and SER
Step 1. Prepare to control the relay at Access Level 2.
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.
c. Type 2AC <Enter>.
d. Type the correct password to go to Access Level 2.
You will see the Access Level 2 =>> prompt.
Step 2. Enter SER trigger data.
a. Type SET R TERSE <Enter> to access the Report settings (see
Figure 3.53).
b. Press <Enter> to move past the SER Chatter Criteria setting.
c. At the
SER Points ? 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>.
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 3.52.
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.
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 direc-
tory.
The terminal lists the file names for standard reports as shown in
Figure 3.54.
=>>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,N <Enter>
2:
? END <Enter>
Save settings (Y,N) ? Y <Enter>
Saving Settings, Please Wait...........
Settings Saved
=>>
Figure 3.53 Setting an SER Element: Terminal