Siemens siprotec 7SA6 User Manual page 453

CB aux. contact:
L1 L2 L3
(Connection in Series NC Contacts)
L1
L2
L3
L1 L2 L3
(Connection in Series NO contacts)
L1, L2, L3 Circuit Breaker
Aux. Contacts
BI .. Binary input with FNo
R .. Binary input is allocated
Circuit breaker position logic
Figure 6-141
7SA6 Manual
C53000-G1176-C133-1
FNr 380
>CB 3p Open
FNr 351
>CB Aux. L1
FNr 352
>CB Aux. L2
FNr 353
>CB Aux. L3
FNr 379
>CB 3p Closed
3ROH2SHQ&XUUHQW


PoleOpenVoltage
GvrÃ8y‚†ˆ…r
R 380
R 380
R 351
R 351
R 352
R 352
R 353
R 353
R 379
R 379
8
3
Plausibility
Check
3
"#
≥1
&
any pole closed.
≥1
&
L1 closed.
≥1
&
L1 open
≥1
&
L2 closed.
≥1
&
L2 open
≥1
&
L3 closed.
≥1
&
L3 open
≥1
&
any pole open
Functions
6-271