7.21
Date Code 20080918 Instruction Manual SEL-749M Relay
Communications
SEL ASCII Protocol Details
Access Level 0 is the lowest access level; the SEL-749M performs no
password check to descend to this level (or to remain at this level).
R_S Command (Restore Factory Defaults)
Use the R_S command to restore factory default settings.
SER Command (Sequential Events Recorder Report)
Use the SER commands to view and manage the Sequential Events Recorder
report. See Section 9: Analyzing Events for further details on SER reports.
If the requested SER report rows do not exist, the relay responds with the
following:
No SER data
Table 7.38 R_S Command (Restore Factory Defaults)
Command Description Access Level
R_S Restore the factory default settings and passwords
and reboot the system.
a
a
Only available after a settings or critical RAM failure.
2
Table 7.39 SER Command (Sequential Events Recorder Report)
Command Description Access Level
SER row1
SER row1 row2
SER date1
SER date1 date2
Use the SER command to display a chronological
progression of all available SER rows (up to
512 rows). Row 1 is the most recently triggered
row and row 512 is the oldest.
Use the SER command with parameters to display
a chronological or reverse chronological subset of
the SER rows.
1
SER C Use this command to clear/reset the SER records. 1
SER R Use this command to clear/reset the SER records. 1
Table 7.40 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
ten 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 1/1/2003 to return all records for January 1, 2003.
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 1/5/2003 1/7/2003 to return all records for
January 5, 6, and 7, 2003.
Courtesy of NationalSwitchgear.com
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