7.46
SEL-700G Relay
Instruction Manual
Date Code 20170814
Communications
SEL ASCII Protocol and Commands
SUMMARY Command
The SUM command (see Table 7.52) displays an event summary in human-
readable format.
Each event summary report shows the date, time, current magnitudes (primary
values), frequency, and, if the relay has the voltage option, voltage magnitudes
(primary values). The relay reports the voltage and current when the largest
current occurs during the event. The event summary report also shows the
event type (type of trip).
SYN Command (Synchronism-Check Report)
The SYN command is available in an SEL-700G with the generator
synchronism-check function. The SYN command displays the latest of three
reports stored by the relay synchronism-check function in nonvolatile
memory. For more information on SYN reports, see Section 9: Analyzing
Events.
TARGET Command (Display Relay Word Bit Status)
The TAR command (see Table 7.54 and Table 7.55) displays the status of
front-panel target LEDs or Relay Word bit, whether these LEDs or Relay
Word bits are asserted or deasserted.
Table 7.52
SUMMARY Command
Command
Description
Access Level
SUM n
The command without arguments displays the latest
event summary. Use n to display particular event
summary.
1
SUM R or C
Use this command to clear the archive.
1
Table 7.53
SYN Command
Command
Description
Access Level
SYN n
Displays the n generator synchronism-check report
(n = 1, 2, or 3; defaults to 1 if not specified)
1
SYN R
Reset the breaker close time average and breaker close
operations counter.
2
Table 7.54
TARGET Command (Display Relay Word Bit Status)
Command
Description
Access Level
TAR name k
TAR n
TAR n k
Use TAR without parameters to display Relay Word
Row 0 or last displayed target row.
1
TAR R
Clears front-panel tripping targets. Unlatches the trip
logic for testing purposes (see Figure 8.1). Shows Relay
Word Row 0.
1
Table 7.55
TARGET Command Format
Parameter
Description
name
Display the Relay Word row with Relay Word bit name.
n
Show Relay Word row number n.
k
Repeat k times (1–32767)
NOTE:
The
TARGET R
command
cannot reset the latched targets if a
TRIP condition is present.
Содержание SEL-700G Series
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