/PERATING INSTRUCTIONS
3*
6
# ' #
3ETTINGS FOR TRIP CIRCUIT SUPERVISION
ADDRESS BLOCK
3* INCLUDES A BREAKER FAILURE PROTECTION WITH
INTEGRATED CURRENT MONITOR IN MODEL 3*
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REFER 3ECTION WHICH REQUIRES
ONE OR TWO BINARY INPUTS 4HIS CAN OPERATE PROVIDED
IT HAS BEEN CONFIGURED USING ONE
"90!33 2%3)3
4/2
OR TWO
7)4( ")
BINARY INPUTS UNDER AD
DRESS REFER TO 3ECTION AND IF IT IS
SWITCHED
/.
ADDRESS
.OTE
)F ONE BINARY INPUT IS USED TRIP CIRCUIT FAULTS LIKE
INTERRUPTION OR CONTROL VOLTAGE FAILURE CAN BE DE
TECTED BUT NOT TRIP CIRCUIT FAULT WHICH OCCUR DURING
CLOSED TRIP RELAY OF THE DEVICE 4HEREFORE THE ALARM
MUST BE DELAYED SUCH THAT THE LONGEST POSSIBLE DU
RATION OF THE TRIP COMMAND IS SAFELY BRIDGED 4HUS
THE BRIDGING TIME 4 &!), 4# ADDRESS MUST BE
SET LONGER THAN THE LONGEST EXPECTED TRIP COMMAND
IN THE TRIP CIRCUIT WHICH IS MONITORED
.OTE
)F THE MONITORED TRIP CIRCUIT IS EXCLUSIVELY ENER
GIZED BY THE 3* RELAY THEN A RELATIVELY SHORT
BRIDGING TIME 4 &!), 4# ADDRESS IS PERMISSI
BLE SINCE THE TRIP CIRCUIT MONITOR IS INOPERATIVE DURING
A FAULT "UT THIS TIME SHOULD BE LONGER THAN THE MINI
MUM TRIP DURATION AS SET FOR 4 42)0 UNDER ADDRESS
IN ORDER TO ENSURE THAT NO ALARM IS PRODUCED AF
TER CLEARANCE OF THE FAULT WHEN THE MINIMUM TRIP
COMMAND DURATION IS STILL RUNNING
$ETAILS ABOUT THE FUNCTION OF THIS SUPERVISION ARE GIV
EN IN 3ECTION 3ECTION CONTAINS INFORMA
TION ABOUT CONNECTION AND DIMENSIONING HINTS AS TO
THE RESISTOR IN CASE OF SUPERVISION WITH ONE SINGLE
BINARY INPUT
42)0 #)2è4
350%26)3)/.
"EGINNING OF THE BLOCK 4RIP CIRCUIT SUPERVISION
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/.
SWITCHED ON
4RIP CIRCUIT SUPERVISION IS
/&&
SWITCHED OFF
42)0 350
/&&
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/.
.
!DDRESS IS RELEVANT ONLY IN CASE TRIP CIRCUIT SUPERVISION IS CARRIED OUT WITH ONE SINGLE BINARY INPUT ADDRESS
IS THEN CONFIGURED 42)0 350%26
"90!33 2%3)34/2
4 &!), 4#
S
m
n
"RIDGING TIME ALARM DELAY FOR TRIP CIRCUIT SU
PERVISION WITH ONE SINGLE BINARY INPUT
3MALLEST SETTING VALUE
S
,ARGEST SETTING VALUE
S
ONLY FOR MODEL 3*
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