Method of operation
7SV512
V1
28
C53000---G1176---C91
BI 20
A20
BI 16
>1
>1
>1
BI 17
>1
>1
BI 18
>1
>1
BI 19
>1
&
L1
L1
L2
L2
L3
L3
L2
L3
L1
&
&
&
&
&
&
&
plausibility
check
8
A20
A16
A16
A17
A17
A18
A18
A19
A19
L1 closed
L1 open
any pole
closed
any pole
open
CB aux. contacts:
L1, L2, L3
Circuit breaker auxiliary contacts
BI ..
Binary input with associated function number
A..
Binary input is assigned to physical input
L2 closed
L2 open
L3 closed
L3 open
Figure 4.7
Circuit breaker position logic
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