U.4.30
SEL-421 Relay User’s Guide Date Code 20090715
Basic Relay Operations
Making Simple Settings Changes
c. When finished adjusting the new date, press {ENT}.
The relay returns the display to the
DATE/TIME
submenu. Note that the relay reports the
TIME SOURCE
as
FP DATE (front-panel date).
Step 6. Press {ESC} repeatedly to normalize the front-panel display.
Changing a Relay Setting From the Front Panel
The purpose of the procedure in the following steps is to provide additional
practice at entering relay settings from the front panel. In this example, you
change the
PORT F front-panel communications port settings.
Step 1. View the
MAIN MENU.
a. If you have been using the front panel (as in the
previous example), press the {ESC} key repeatedly until
you see the
MAIN MENU.
b. If the relay is displaying the
ROTATING DISPLAY, press
the {ENT} pushbutton to display the
MAIN MENU.
The first screen of Figure 4.22 shows the
MAIN MENU at
the beginning of the front-panel settings process.
Step 2. View the settings screens.
a. Press the {Up Arrow} and {Down Arrow} navigation
pushbuttons to highlight the
SET/SHOW action item (see
Figure 4.22).
b. Press the {ENT} pushbutton. You will see the
SET/SHOW
submenu (the second screen in Figure 4.22).
Step 3. Select
PORT F.
a. Highlight
PORT and press the {ENT} pushbutton.
The relay displays the
PORT instances (the third screen
of Figure 4.22).
b. Choose the port you want to configure by using the {Up
Arrow} and {Down Arrow} navigation pushbuttons to
move the screen arrow.
For this example, select
PORT F and press {ENT}.
Step 4. View the Communications Settings category screen.
a. The relay shows the fourth screen of Figure 4.22, the
PORT F category screen. Use the {Up Arrow} and {Down
Arrow} navigation pushbuttons to select the settings
category.
b. For this example, highlight Communications Settings
and press {ENT}.
The relay displays the fifth screen of Figure 4.22, the
Communications Settings screen.
Step 5. Change settings.
a. Highlight the
SPEED setting.
b. Press {ENT}.
(The relay possibly requires a password here; see
Passwords on page U.4.9 and Section 5: Front-Panel
Operations.)
Courtesy of NationalSwitchgear.com
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