Schweitzer Engineering Laboratories SEL-421-4 - Figure 4.39 Throw-Over Bus Type 2 Switch (Option 25); Figure 4.40 Screen 1

4.31
Date Code 20171021 Instruction Manual SEL-421 Relay
Front-Panel Operations
One-Line Diagrams
Panning
When you specify a custom layout that is too large for one screen, you can take
advantage of the panning feature to display sections not visible in the present
screen view. Figure 4.40 shows an example station with a breaker-and-a-half
application.
Figure 4.39 Throw-Over Bus Type 2 Switch (Option 25)
BAYNAME
BUS1
ESCNAVIG
BUS2
SW5
SW3
SW1
SW4
BK2BK1
SW2
AQ_1
AQ_2
AQ_3
AQ_4
AQ_5
AQ_6
Figure 4.40 Screen 1
BB1
SW1
SW2
SW3
SW4
CT1
BKR1
Screen 1
Screen 2
Common
Area
BB2
SW5
SW6
SW7
SW8
CT2
CT3
CT4
BKR2
BKR3
C
T
T
2
C
T
B
K
R
T
2
R
2
C
T
C
T
2
T
B
T
B
K
R
2
R
R
2
2
BB2
S
W
6
S
W
7
S
W
8
C
T
3
C
T
4
BKR
3