GE 339

6–162 339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
S5 INPUTS/OUTPUTS CHAPTER 6: SETPOINTS
Figure 6-73: Relay 2 "CLOSE" logic diagram
Close request
SETPOI
NT (BR
EAKER)
52a CONTACT
Contact input
SETPOI
NT (BR
EAKER)
52b CONTACT
Contact input
AND
OR
52a contact (Breaker Closed = 1)
AND
52b 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-In Time
SETPOI
NT
t
RST
AND
CLOSE
Operate Output Relay 2
(CLOSE)
OR
Local Close (Relay Keypad)
Remote Close
Relay Status (Ready = 1)
Timer
200 ms
RUN
SETPOI
NT
BLOCK BKR CLOSE Off=0
(Selected Input
,ON=1)
OR
AND
Breaker Failure
Timer
2 sec
RUN
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