Siemens siprotec 7SA6 - Page 453

Functions
6-2717SA6 Manual
C53000-G1176-C133-1
Figure 6-141 Circuit breaker position logic
&
CB aux. contact:
&
≥1
&
≥1
≥1
&
&
≥1
≥1
&
&
≥1
≥1
&
≥1
Plausibility
Check
8
L1
L2
L3
L2L1 L3
L1, L2, L3 Circuit Breaker
Aux. Contacts
BI .. Binary input with FNo
R .. Binary input is allocated
3
L2L1 L3
(Connection in Series NC Contacts)
(Connection in Series NO contacts)
>CB 3p Open
>CB 3p Closed
>CB Aux. L3
>CB Aux. L2
>CB Aux. L1
L1 closed.
any pole open
L2 closed.
L3 closed.
L1 open
L2 open
L3 open
any pole closed.
FNr 351
FNr 352
FNr 353
FNr 379
FNr 380
R 351
R 351
R 352
R 352
R 353
R 353
R 379
R 379
R 380
R 380

3

 /LQH&ORVXUH
PoleOpenVoltage
3ROH2SHQ&XUUHQW