/PERATING INSTRUCTIONS
3*
6
# ' #
/FF/N CONTROL OF PART FUNCTIONS OF THE DEVICE
$URING OPERATION OF THE RELAY IT MAY BE DESIRED TO
CONTROL THE RELAY MANUALLY OR FROM SYSTEM CRITERIA
TEMPORARILY TO SWITCH OFF PARTIAL FUNCTIONS OF THE RELAY
OR TO SWITCH THEM ON ONLY UNDER SPECIFIC CONDITIONS
%XAMPLES MAY BE THE SWITCHING ON OR OFF OF THE
AUTO RECLOSE SYSTEM WHEN A TRANSFER BUS IS BEING
USED DEPENDENT UPON WHETHER A TRANSFORMER OR LINE
BRANCH IS SWITCHED TO THE TRANSFER
3* ALLOWS PARTIAL FUNCTIONS TO BE SWITCHED ON OR
OFF VIA BINARY INPUTS OR MANUAL OPERATION VIA THE INTE
GRATED OPERATOR PANEL OR VIA THE OPERATING INTERFACE
AT THE FRONT USING A PERSONAL COMPUTER
&OR SWITCHING VIA BINARY INPUTS IT IS OF COURSE NECES
SARY THAT THE BINARY INPUTS HAVE BEEN MARSHALLED TO
THE CORRESPONDING SWITCHING FUNCTIONS &URTHER
MORE IT MUST BE NOTED THAT A BINARY INPUT IS REQUIRED
FOR EACH FUNCTION SWITCHING OFF AND SWITCHING ON
4HE SWITCHING COMMAND IS STORED IN THE RELAY AND
PROTECTED AGAINST AUXILIARY VOLTAGE FAILURE THE FUNC
TION OF A BI STABLE STORE 4HE COMMAND CAN BE AN
NUNCIATED VIA AN ANNUNCIATION RELAY OR ,%$ DISPLAY
&OR SWITCHING VIA THE INTEGRATED OPERATOR PANEL OR
THE FRONT INTERFACE A CODE WORD IS NECESSARY#7
LEVEL 4HE CONTROL FUNCTIONS ARE FOUND AT THE BEGIN
NING OF THE PARAMETER BLOCK OF EACH PROTECTION OR
SUPPLEMENTARY FUNCTION 4HE SWITCH CONDITION
SHOWN IN THE DISPLAY CAN BE CHANGED OVER USING THE
.O KEY
.
4HE OPPOSITE SWITCH CONDITION THEN AP
PEARS IN THE DISPLAY %ACH CHANGE OF CONDITION MUST
BE CONFIRMED WITH THE
%
KEY 4HE CHANGE OVER IS
FIRST RECORDED IN THE RELAY WHEN CODEWORD OPERATION
HAS BEEN TERMINATED 4HIS IS DONE BY THE KEY COMBI
NATION
& %
IE DEPRESSING THE FUNCTION KEY
&
FOL
LOWED BY THE ENTRY KEY
%
4HE DISPLAY SHOWS THE
QUESTION 3!6% .%7 3%44).'3 #ONFIRM WITH
THE 9ES KEY
*9
THAT THE NEW SETTINGS SHALL BE
COME VALID NOW 4HE SWITCHED CONDITIONS ARE THEN
PERMANENTLY STORED IN %%02/-S AND PROTECTED
AGAINST AUXILIARY VOLTAGE FAILURE THE DISPLAY CONFIRMS
.%7 3%44).'3 3!6%$ )F YOU PRESS THE
.O KEY
.
INSTEAD CODEWORD OPERATION WILL BE
ABORTED IE ALL ALTERATIONS WHICH HAVE BEEN
CHANGED SINCE THE LAST CODEWORD ENTRY ARE LOST
4HUS ERRONEOUS ALTERATIONS CAN BE MADE INEFFEC
TIVE
! FUNCTION IS SWITCHED
/.
WHEN THE ON COMMAND
HAS BEEN GIVEN BY BOTH THE BINARY INPUT !.$ ALSO
FROM THE OPERATOR PANEL OR INTERFACE 4HE FUNCTION IS
THEN SHOWN IN THE ALARM STATUS ANNUNCIATIONS AS
ACTIVE
! FUNCTION IS SWITCHED
/&&
WHEN THE OFF COMMAND
IS GIVEN BY %)4(%2 THE BINARY INPUT /2 FROM THE OP
ERATOR PANEL OR THE OPERATING INTERFACE 4HUS IT IS EN
SURED THAT A PARTIAL FUNCTION CAN ONLY BE SWITCHED ON
FROM THAT PLACE WHERE IT WAS PREVIOUSLY SWITCHED OFF
#ONTROL INPUTS WHICH ARE NOT MARSHALLED TO A BINARY
INPUT ARE REGARDED FROM THAT LOCATION AS SWITCHED
ON SO THAT CHANGE OF THE CONDITION IS POSSIBLE FROM
THE OPERATOR PANEL OR THE OPERATING INTERFACE
3INCE MOST OF THE PART FUNCTIONS ARE SWITCHED
/&&
WHEN THE RELAY IS DELIVERED THEY MUST HAVE BEEN
SWITCHED
/.
IN ORDER TO ALLOW SWITCHING VIA BINARY IN
PUTS
4HE COMPLETION OF A SWITCHING COMMAND IS INDE
PENDENT OF ITS CAUSE OUTPUT AS AN OPERATIONAL AN
NUNCIATION
FUNCTION
OFF
#
OMES AT THE INSTANT OF
SWITCH OFF
FUNCTION
OFF
'
OES AT THE INSTANT THAT IT IS
SWITCHED ON
4HESE ANNUNCIATIONS ARE LISTED IN BLOCK UNDER
/0%2!4)/.!, !..5.#)!4)/.3 AND CAN ALSO BE
TRANSMITTED VIA THE SYSTEM ,3! INTERFACE TO A CEN
TRAL COMPUTER !LSO THEY CAN BE MARSHALLED AS BINARY
OUTPUTS THE SIGNAL RELAY THEN INDICATES THE SWITCH
ED OFF CONDITION
&OR ANNUNCIATIONS ONE MUST DIFFERENTIATE
$IRECT CONFIRMATION OF A BINARY INPUT IS AVAILABLE AS
LONG AS THE CORRESPONDING BINARY INPUT IS ENER
GIZED )T CAN BE OUTPUT VIA A SIGNAL RELAY OR ,%$ )N
THE SUMMARY OF ALL ANNUNCIATIONS !PPENDIX &
AND IN THE SURVEY OF THE BINARY OUTPUT FUNCTIONS
4ABLE 3ECTION THESE ANNUNCIATIONS ARE
IDENTIFIED WITH A LEADING SYMBOL
4HE COMPLETION INDICATION OF THE SWITCHED OFF
CONDITION IS SIGNALIZED INDEPENDENTLY OF THE
SOURCE OF THE COMMAND )T APPEARS #OMES AT
THE INSTANT OF SWITCH OFF AND DISAPPEARS 'OES
AT THE INSTANT OF SWITCHING ON
4HE FOLLOWING SURVEY SHOWS THE CONTROL FUNCTIONS
AND ALSO INDICATES WHICH CONFIRMATION INDICATIONS
ARE GENERATED
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