7.28
SEL-749M Relay
Instruction Manual
Date Code 20080918
Communications
SEL ASCII Protocol Details
TIME Command (View/Change Time)
The
TIME
command returns information about the SEL-749M internal clock.
You can also set the clock if you specify hours and minutes (seconds data are
optional). Separate the hours, minutes, and seconds with colons, semicolons,
spaces, commas, or slashes.
Use the
TIME
hh:mm
and
TIME
hh:mm:ss
commands to set the internal
clock time. The value
hh
is for hours from 0–23; the value
mm
is for minutes
from 0–59; the value ss is for seconds from 0–59. If you enter a valid time, the
relay updates and saves the time in the nonvolatile clock, and displays the time
you just entered. If you enter an invalid time, the SEL-749M responds,
Invalid Time
.
TRIGGER Command (Trigger Event Report)
Use the
TRI
command to trigger the SEL-749M to record data for high-
resolution oscillography and event reports.
When you issue the
TRI
command, the SEL-749M responds,
Triggered
. If
the event did not trigger within 1 second, the relay responds,
Did not
trigger
for further details on event reports.
Table 7.55
TIME Command (View/Change Time)
Command
Description
Access Level
TIME
Display the present internal clock time.
1
TIME
hh:mm
Set the internal clock to
hh:mm
.
1
TIME
hh:mm:ss
Set the internal clock to
hh:mm:ss
.
1
Table 7.56
TRIGGER Command (Trigger Event Report)
Command
Description
Access Level
TRI
Trigger event report data capture.
1
Содержание SEL-749M
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