5.13
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Control
Bay Control Front-Panel Operations
One-Line Diagram and Labels
Figure 5.8 is an example of a default one-line diagram. The Bay settings class has
settings for defining labels and analog quantities. One-line diagrams are com-
prised of the following:
➤ Bay Names and Bay Labels
➤ Busbars and Busbar Labels
➤ Breakers and Breaker Labels
➤ Disconnect Switches and Disconnect Switch Labels
➤ Equipment and Equipment Labels
➤ Analog Display Points
Front-Panel Pushbutton Navigation Operations in the One-Line Diagram
Navigation within the one-line diagram requires that the front-panel access level
be at Breaker Access Level or higher and the Breaker Jumper be installed. If nav-
igation is attempted when:
➤ The front panel is not at the Breaker Access Level or higher and passwords
are enabled, the relay prompts you to enter the appropriate passwords.
➤ The Breaker Jumper is not installed, the Breaker Control Disabled
Please Install the Breaker Jumper
message briefly appears on the
screen.
Use the arrow pushbuttons on the front panel to navigate within the one-line dia-
gram. When you first select the one-line diagram, none of the apparatus on the
one-line diagram are highlighted. Press the Left Arrow or Right Arrow pushbutton to
enter the one-line diagram and highlight the apparatus. Once you enter the one-
line diagram, navigation between the disconnect switch and circuit breaker sym-
bols as follows:
➤ Pressing the Right Arrow pushbutton highlights the elements from left-
to-right and top-to-bottom.
➤ When reaching the right-most bottom element, the following Right Arrow
keystroke “rolls over” and again highlights the left-most top element.
Figure 5.8 Bay Control One-Line Diagram
BUSNAM1
BUSNAM2
SW2
AQ_1
AQ_2
AQ_3
AQ_4
SW1
BKS
SW3
SW4
EQ1
BAY 1
Bay Name
Bus Label
Disconnect
Switch Label
Breaker
Label
Equipment
Label
Analog
Display
Points
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