Schweitzer Engineering Laboratories SEL-421-4 - Page 850

3.32
SEL-400 Series Relays Instruction Manual Date Code 20171006
Basic Relay Operations
Making Simple Settings Changes
Step 5. Set the date.
a. Press the ENT pushbutton.
The relay shows the last screen of Figure 3.23, the DATE edit
screen.
b. Use the Up Arrow and Down Arrow navigation pushbuttons to
increase and decrease the date position numbers.
Step to the next or previous position by using the Left Arrow and
Right Arrow pushbuttons.
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 prac-
tice 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 exam-
ple), 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.
Figure 3.24(a) 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, as shown in Figure 3.24(a).
b. Press the ENT pushbutton. You will see the
SET/SHOW submenu
screen, as shown in Figure 3.24(b).
Step 3. Select
PORT F.
a. Highlight
PORT and press the ENT pushbutton.
The relay displays the
PORT instances screen, as shown in
Figure 3.24(c).
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 displays the
Port F category screen, as shown in
Figure 3.24(d). Use the Up Arrow and Down Arrow navigation push-
buttons to select the settings category.
b. For this example, highlight Communications Settings and press
ENT.
The relay displays the
Communications Settings screen, as
shown in Figure 3.24(e).