Schweitzer Engineering Laboratories SEL-787, Instruction Manual

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7.30
SEL-787 Relay Instruction Manual Date Code 20081022
Communications
SEL ASCII Protocol and Commands
If the requested SER report rows do not exist, the relay responds with
No SER
data
.
SER D Command
The SER D command shows a list of SER items that the relay has
automatic-ally removed. These are “chattering” elements. You can
automatically remove chattering SER elements in the SER Chatter Criteria
category of the Report settings; the enable setting is ESERDEL. See
Section 4: Protection and Logic Functions , Report Settings (SET R Command)
for more information on SER automatic deletion and reinsertion.
If you issue the SER D command and you have not enabled automatic
removal of chattering SER elements (Report setting ESERDEL), the relay
responds,
Automatic removal of chattering SER elements not enabled
.
SET Command (Change Settings)
The SET command is for viewing or changing the relay settings (see
Table 7.41 and Table 7.42 ).
Table 7.39 SER Command Format
Parameter Description
row1 Append row1 to return a chronological progression of the first
row1 rows. For example, use SER 5 to return the first five rows.
row1 row2 Append row1 and row2 to return all rows between row1 and
row2 , beginning with row1 and ending with row2 . Enter the smaller
number first to display a numeric progression of rows through the report.
Enter the larger number first to display a reverse numeric progression of
rows. For example, use
SER 1 10 to return the first 10 rows in numeric
order or SER 10 1 to return these same items in reverse numeric order.
date1 Append date1 to return all rows with this date. For example, use SER
1/1/2008 to return all records for January 1, 2008.
date1 date2 Append date1 and date2 to return all rows between date1 and date
beginning with date1 and ending with date2 . Enter the oldest date first to
display a chronological progression through the report. Enter the newest
date first to display a reverse chronological progression. Date entries are
dependent on the date format setting DATE_F. For example, use
SER
1/5/2008 1/7/2008 to return all records for January 5, 6, and 7, 2008.
Table 7.40 SER D Command
Command Description Access Level
SER D List chattering SER elements that the relay is
removing from the SER records. 1
Table 7.41 SET Command (Change Settings) (Sheet 1 of 2)
Command Description Access Level
SET s TERSE Set the Group settings, beginning at the first
setting. 2
SET DNP n s
TERSE
Set DNP3 data map settings for map n
( n = 1, 2, or 3)
2
SET L s TERSE Set general logic settings. 2
SET G s TERSE Set global settings. 2