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PUB 50411
D64RP18 SERIES B1 DIGITAL GROUND FAULT RELAY
Revision 2
May, 2005
Page 13
TABLE 2 – OUTPUT CONTACT STATES
STATE OF OUTPUT RELAY CONTACTS UNDER VARIOUS OPERATING CONDITIONS
WITH OPEN OR CLOSED CONTACTS CONNECTED TO TERMINALS R1 AND R2
OPERATING
CONDITIONS
NON-FAILSAFE
Open Contacts on Terminals
R1 & R2
PULSED AUTO RESET
Closed Contacts on Terminals
R1 & R2
13 14
11 12
13 14
11 12
1.CONTROL POWER OFF
2.CONTROL POWER ON
3.CONTROL POWER ON,
FAULT CURRENT
ABOVE TRIP SETTING &
TRIP TIME
4.CONTROL
POWER
ON, FAULT
CLEARED
NO
RESET
REQUEST
+ 3 Sec Pulse
+ 3 Sec Pulse
RESET
REQUEST
Not Required
Not Required
5.CONTROL POWER
OFF, FAULT STILL ON
SYSTEM
6.CONTROL POWER
RESTORED, FAULT
STILL ON SYSTEM
+ 500 ms
=
+ 500 ms
=
+ 500 ms
=
+ 500 ms
=
7.CONTROL POWER
RESTORED, FAULT
CLEARED WHILE
CONTROL POWER OFF,
WITH OR WITHOUT
RESET