Configuration
5-10 7SJ62 Manual
C53000-G1140-C121-1
Figure 5-8 Double Command with Double Contacts (with 4 Relays)
Figure 5-9 Double Command with Double and Single Contacts (with 3 Ralays)
Note:
It is recommended to mask Trip and Close commands from a protection function the
same binary I/O’s, if they operate the same breaker. If for instance, the Close com-
mand of the Control function uses two contacts the auto reclose function should be
masked also to both contacts. See elementary diagrams in the appendix A.
CLOSING
Command
C+1
C+2
TRIP
Command
C–1
t
C+1 C–1
V+
V–
C+2
Relay Configuration:
C–2
C–2
C+1
X
BO 1
C–1
X
2
34
C+2
X
C–2
X
CLOSE TRIP
Switching Device
COIL COIL
CLOSING
Command
C+1
C+2
TRIP
Command
C–
t
C+1
C–
V+
V–
C+2
Relay Configuration:
C+1
X
BO 1
C–
X
23
X
C+2
CLOSE TRIP
Switching Device
COIL COIL
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