14.11
Date Code 20171006 Instruction Manual SEL-400 Series Relays
ASCII Command Reference
Command Description
CFG NFREQ
In TiDL relays, use the CFG NFREQ command to set the nominal frequency of
the relay (which is 60 Hz by default). In relays that do not support TiDL, the
nominal frequency is controlled by the NFREQ Global setting. This should be
configured after the nominal currents are configured (through the use of the CFG
CTNOM command) and before settings are loaded into the relay. This will
restart the relay.
CHISTORY
The CHISTORY command provides a HISTORY report in the Compressed
ASCII format.
CHI
Use the CHI command to gather one-line descriptions of event reports.
CHI TERSE
The CHI TERSE command returns a Compressed ASCII event report without
the event report label lines.
CLOSE
n
Use the CLOSE n command to close a circuit breaker. The main board circuit
breaker jumper (on jumper BREAKER) must be in place. Further, you must
enable breaker control for any breakers you want to control.
Ta b l e 1 4.29 C FG NFREQ Com m a n d
Command Description Access Level
CFG NFREQ f Change nominal frequency to f (50 or 60) 2
Table 14.30 CHI Command
Command Description Access Level
CHI Return the data as contained in the History report (short
form descriptions) for the most recent 100 event reports in
Compressed ASCII format (for SEL-2030 compatibility).
1, B, P, A, O, 2
CHI A Return one-line descriptions of the most recent 100 event
reports in Compressed ASCII format.
1, B, P, A, O, 2
CHI k Return one-line descriptions of the most recent k number
of event reports in Compressed ASCII format.
1, B, P, A, O, 2
Ta b l e 1 4. 31 C H I T E RS E C o m m a n d
Command Description Access Level
CHI TERSE Return one-line descriptions for the most recent 100
event reports without the label lines in Compressed
ASCII format.
1, B, P, A, O, 2
CHI k TERSE Return one-line descriptions for the most recent k num-
ber of event reports without the label lines in Com-
pressed ASCII format.
1, B, P, A, O, 2
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