2
SEL-421 Relay Date Code 20090715
SEL-421 Relay Command Summary
QUIT Reduce access level to Access Level 0 (exit relay control)
RTC Display configuration of received remote synchrophasors
SER View Sequential Events Recorder reports
SET
c
Enter relay settings
SHOW
c
Display relay settings
SNS Display Sequential Events Recorder settings name strings (Fast SER)
STATUS Report or clear relay status and SEL
OGIC control equation errors
SUMMARY View summary event reports
TARGET Display relay elements for a row in the Relay Word table
TEC Display time-error estimate; display or modify time-error correction value.
TEST DB Display or place values in the communications card database (useful for Ethernet protocol read tests)
TEST DNP Display or place values in the serial port DNP3 object map
TEST FM Display or place values in metering database (Fast Meter)
TIME Display and set the internal clock
TRIGGER Initiate a data capture and record an event report
VERSION Display the relay hardware and software configurations
VIEW 1 View data from the communications card database
a
See Section 9: ASCII Command Reference in the Reference Manual.
b
For help on a specific command, type HELP [command] <Enter> at an ASCII terminal communicating with the relay.
c
See the table below for SET/SHOW options.
SET/SHOW Command Options
Option Setting Type Description
[S] n Group Settings 1–6 Particular application settings
A n
a
Automation Logic Block 1–10 Automation SELOGIC control equations
D DNP3 Direct Network Protocol remapping (serial port only)
F Front Panel Front-panel HMI settings
G Global Relay-wide settings
L n Protection Logic Group 1–6 Protection SEL
OGIC control equations
M Breaker Monitor Circuit breaker monitor settings
O Outputs Output SELOGIC control equations
P n Port 1–3, F, 5 Communications port settings
R Report Event report and SER settings
T Alias Alias names for analog quantities and Relay Word bits
a
The SEL-421-1 and the SEL-421-2 have only one instance of automation logic settings.
Command
a
,
b
Description
Courtesy of NationalSwitchgear.com
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