9.2
SEL-421 Relay Instruction Manual Date Code 20171021
ASCII Command Reference
Description of Commands
Description of Commands
Table 9.1 lists all the commands supported by the relay and the corresponding
links to the descriptions in Section 14: ASCII Command Reference in the
SEL-400 Series Relays Instruction Manual.
Command List
Table 9.1 SEL-421 List of Commands (Sheet 1 of 3)
Command
Location of Command in Section 14: ASCII Command Reference in the SEL-400 Series
Relays Instruction Manual
2ACCESS 2ACCESS on page 14.1
89CLOSE n 89CLOSE n on page 14.2
(The SEL-421 supports 10 disconnects.)
89OPEN n 89OPEN n on page 14.2 (The SEL-421 supports 10 disconnects.)
AACCESS AACCESS on page 14.3
ACCESS ACCESS on page 14.3
BACCESS BACCESS on page 14.3
BNAME BNAME on page 14.4
BREAKER BREAKER on page 14.4 (The SEL-421 supports two circuit breakers, designated 1 and 2.)
CAL CAL on page 14.5
CASCII CASCII on page 14.5
CBREAKER CBREAKER on page 14.6 (The SEL-421 supports two circuit breakers, designated 1 and 2.)
CEVENT CEVENT on page 14.6 (In the SEL-421, CEV L provides an 8 samples/cycle large resolution event
report.)
CFG CTNOM i CFG CTNOM on page 14.10 (In the SEL-421, the nominal current choices are 1 and 5 for 1 A nom-
inal and 5 A nominal CT inputs.)
CFG NFREQ f CFG NFREQ on page 14.11
CHISTORY CHISTORY on page 14.11
CLOSE n CLOSE n on page 14.11 (The SEL-421 supports two circuit breakers, designated 1 and 2.)
COMMUNICATIONS COMMUNICATIONS on page 14.12
CONTROL nn CONTROL nn on page 14.16
COPY COPY on page 14.17
CPR CPR on page 14.17
CSER CSER on page 14.18
CSTATUS CSTATUS on page 14.19
CSUMMARY CSUMMARY on page 14.19
DATE DATE on page 14.21
DNAME X DNAME X on page 14.21
DNP DNP on page 14.22
ETHERNET ETHERNET on page 14.22
EVENT EVENT on page 14.23 (The SEL-421 supports large resolution event reports of 8 samples/cycle.)
EXIT EXIT on page 14.27
FILE FILE on page 14.27
GOOSE GOOSE on page 14.28
GROUP GROUP on page 14.31
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