6–140
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S5 INPUTS/OUTPUTS
CHAPTER 6: SETPOINTS
Figure 49: Relay 2 "CLOSE" logic diagram
Close
request
SETPOINT
(BREAKER
)
52a
CONT
ACT
Contact
input
SETPOINT
(BREAKER
)
52
b
CONT
ACT
Contact
input
AND
OR
52a
contact
(Breaker
Closed
=
1
)
AND
52
b
contact
(Breaker
Open
=
1
)
Breaker
Closed
OR
At
least
one
contact
programmed
AND
OR
CLOSE
No
feedback
change
OR
timed
reset
OR
OR
OR
AND
AND
Close
Output
Seal
-I
n
time
SETPOINT
t
RST
AND
CLOSE
Operate
Output
Relay
2
(CLOSE)
OR
Local
Close
(Relay
Keypad)
Remote
Close
Relay
Status
(
Ready
=
1
)
timer
200
ms
RUN
SETPOINT
BLOCK
CLOSE
RL
Y
Disbaled
=
0
(Selected
Input
,
O
N
=1
)
OR
AND
Breaker
Failure
Autoreclose
In
-Progress
AND
Autoreclose
OR
timer
2
sec
RUN
LED
:
BREAKER
CLOSED
898776.cdr