Sel 551 - Section 4: Setting the Relay; Overview; Settings Changes Via the Front Panel; Settings Changes Via the Serial Port

Date Code 20110408 Instruction Manual SEL-551 Relay
Section 4
Setting the Relay
Overview
Change or view settings with the SET and SHOWSET serial port commands
and the front-panel {SET} pushbutton. Table 4.1 lists the serial port SET
commands.
View settings with the respective serial port SHOWSET commands (SHO,
SHO L, SHO R, SHO T, SHO P). See SHO Command (Showset) on
page 5.16.
Settings Changes Via the Front Panel
The relay front-panel {SET} pushbutton provides access to the Relay and Port
settings only. Thus, the corresponding Relay and Port settings sheets that
follow in this section can also be used when making these settings via the
front panel. Refer to Figure 6.3 for information on front-panel
communications.
Settings Changes Via the Serial Port
See Section 5: Serial Port Communications and Commands for information
on serial port communications and relay access levels. To change a specific
setting, enter the command:
SET n s
Table 4.1 Serial Port SET Commands
Command
Settings
Type
Description
Settings
Sheets
a
a
Located at end of this section.
SET Relay Overcurrent elements, reclosing relay, timers, etc. 1–6
SET L Logic SEL
OGIC
®
Control Equations 7–9
SET R SER Sequential Events Recorder trigger conditions 14
SET T Text Front-panel default display text; local control text 12–13
SET P Port Rear serial port protocol settings 10
SET P F Port Front serial port protocol settings 10–11