5.16
SEL-551 Relay Instruction Manual Date Code 20110408
Serial Port Communications and Commands
Command Explanations
The relay sets the port access level to 0. The relay displays the following
heading prompt:
FEEDER 1 Date: 03/05/96 Time: 08:55:33.986
STATION A
=
The = prompt indicates the relay is back in Access Level 0.
The QUI command remaps the front-panel targets to the Relay Targets
(TAR 0) and terminates the SEL LMD connection if it is established (see
Appendix C: SEL Distributed Port Switch Protocol).
SER Command (Sequential Events Recorder)
Use the SER command to view Sequential Events Records. For more
information on SER reports, see Section 7: Standard Event Reports and SER.
SHO Command (Showset)
Use SHO to view relay settings.
The SHO command format is: SHO X Y
Valid SHO commands include:
Parameter Y is the name of the first setting to display. If Y is not specified, all
settings are shown in the selected settings class.
Below are sample SHOWSET commands, showing all the factory settings for
the SEL-551.
where:
X = the settings class to display
Y = the name of the first setting to display
Command Settings Class
SHO Relay Settings
SHO L SEL
OGIC
®
control equation settings
SHO P Rear Port Settings (SEL-551)
SHO R Sequential Event Recorder (SER) Settings
SHO T Text Label Settings
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