ABB SPAC 536 C User Manual page 59

AR1 AR2 AR3 ARINH
SHOT 1
SG1/2
S78
S21
S22
S23
S79
SHOT 2
SG1/2
S78
S31
S32
S33
S79
SHOT 3
SHOT 4
SHOT 5
FINAL TRIP BY AR
S71
S72
S73
Fig. 17. Simplified block diagram for the auto-reclose functions in the control module SPTO 6D3.
1
S24
S
1
t
&
R
S25
t
S77
t
1
1
S34
S
1
t
&
R
S35
t
S77
t
1
S74
t
S75
1
t
S76
t
CB STATUS;
V5
OPEN
CLOSED
&
t
CB STATUS;
OPEN
V6
CLOSE
&
S26
t
t
CB STATUS;
V5
OPEN
CLOSED &
t
CB STATUS;
OPEN
V6
CLOSE
S36 &
t
t
CB STATUS;
V5
OPEN
CLOSED &
t
CB
CLOSE
CLOSE ENABLE BY
INTERLOCKING
&
OPEN ENABLE BY
INTERLOCKING
&
CB
OPEN
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