/PERATING INSTRUCTIONS
3*
6
# ' #
#" 4%34
, 7)4( !2
#ARRY OUT THREE POLE TEST CYCLE OF CIRCUIT BREAKER
#ONFIRM WITH
*9
KEY OR ABORT WITH PAGE ON KEY
n
#ONFIRM WITH
*9
KEY THAT CIRCUIT BREAKER IS CLOSED OR
ABORT WITH PAGE ON KEY
n
#" #,/3%$
!FTER CONFIRMATION BY THE OPERATOR THAT THE CIRCUIT
BREAKER IS CLOSED THE TEST CYCLE PROCEEDS (OWEVER
THE RELAY REJECTS THE TEST CYCLE AS LONG AS THE AUXILIARY
CONTACT INDICATES THAT THE CIRCUIT BREAKER IS NOT
CLOSED EVEN IF THE OPERATOR HAS CONFIRMED THAT IT IS
4HE RELAY DISPLAYS THE TEST SEQUENCE IN THE SECOND
DISPLAY LINE AND WHEN THE TEST CYCLE IS INTERRUPTED OR
REJECTED A CORRESPONDING MESSAGE IS DISPLAYED
#" 4%34
34!24%$
!"/24%$
35##%33&5,
&,4 ). 02/'2%33
&!5,4 25..).'
#" ./4 #,/3%$
!2 ./4 2%!$9
#" ./4 /0%.
#/. ). 02/'2%33
TEST CYCLE ABORTED
TEST CYCLE SUCCESSFULLY EXECUTED
TEST CYCLE IS ALREADY IN PROGRESS
PROTECTION HAS PICKED UP ON FAULT NO TEST POSSIBLE
#" IS NOT CLOSED NO TEST POSSIBLE
!2 IS NOT READY FOR RECLOSURE NO TEST POSSIBLE
#" HAS NOT OPENED
#ONTROL SEQUENCE IS IN PROGRESS
#IRCUIT BREAKER TEST
TEST CYCLE STARTED
,IVE TRIPPING OF THE CIRCUIT BREAKER
ADDRESS BLOCK
4O CHECK THE TRIPPING CIRCUITS THE CIRCUIT BREAKER CAN
BE TRIPPED BY 3* INDEPENDENTLY ON WHETHER AN
AUTO RECLOSURE WILL OCCUR OR NOT (OWEVER THIS TEST
CAN ALSO BE MADE WITH AN EXTERNAL AUTO RECLOSE
RELAY
)F THE CIRCUIT BREAKER AUXILIARY CONTACT ADVISES THE
RELAY THROUGH A BINARY INPUT OF THE CIRCUIT BREAKER
POSITION THE TEST CAN ONLY BE STARTED WHEN THE CIRCUIT
BREAKER IS CLOSED 4HIS ADDITIONAL SECURITY FEATURE
SHOULD NOT BE OMITTED WHEN AN EXTERNAL AUTO RE
CLOSE RELAY IS PRESENT
$!.'%2
)F AN EXTERNAL AUTO RECLOSURE DEVICE IS
USED THEN A SUCCESSFULLY STARTED TEST
CYCLE MAY LEAD TO CLOSING OF THE CIRCUIT
BREAKER
)NITIATION OF THE TEST CAN BE GIVEN FROM THE OPERATOR
KEYBOARD OR VIA THE FRONT OPERATOR INTERFACE )NPUT OF
THE CODEWORD OF CODE LEVEL IS NECESSARY 4HE PRO
CEDURE IS STARTED WITH ADDRESS 4HIS IS REACHED
WITH THE
-%.5
KEY
OPTION
4%343
OPTION
#" 4%34 ,)6% 42)0 4HE CURSOR WILL THEN AUTO
MATICALLY MOVE TO ADDRESS SEE BELOW
&URTHER PREREQUISITES FOR THE START OF TEST ARE THAT NO
PROTECTIVE FUNCTION FAULT DETECTOR HAS PICKED UP AND
THAT NO CONTROL SEQUENCE IS IN PROGRESS
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