/PERATING INSTRUCTIONS
3$
6
# ' #
)NFORMATION TO ,3! DURING TEST OPERATION
ADDRESS BLOCK
7HEN THE RELAY IS CONNECTED TO A CENTRAL STORAGE DE
VICE OR LOCALIZED SUBSTATION AUTOMATION SYSTEM AND
THE PROTOCOL ACCORDING 6$%7:6%) )%#
IS USED THEN THE INFORMATIONS WHICH ARE
TRANSMITTED TO THE CENTRAL COMPUTING SYSTEM CAN BE
INFLUENCED
%NTRY OF THE CODEWORD IS NECESSARY FOR THIS REFER TO
3ECTION
4HE STANDARDIZED PROTOCOL ALLOWS ALL ANNUNCIATIONS
MESSAGES AND MEASURED VALUES TO BE TAGGED WITH
THE ORIGIN TEST OPERATION WHICH OCCUR WHILE THE
RELAY IS TESTED 4HUS THESE MESSAGES CAN BE DISTIN
GUISHED FROM THOSE WHICH OCCUR DURING REAL OPERA
TION
)N ORDER TO ACCOMPLISH THIS SWITCHOVER ADDRESS
BLOCK IS AVAILABLE PROVIDED THE 6$%7:6%) PROTO
COL ACC )%# HAS BEEN CHOSEN DUR
ING CONFIGURATION OF THE SERIAL SYSTEM INTERFACE 3EC
TION ADDRESS ANDOR
6$%7 #/-
0!4)",%
OR
6$%7 %84%.$%$
4HE BLOCK IS CALLED
UP BY PAGING WITH THE KEYS
Å
OR
Ç
OR DIRECTLY BY KEY
ING IN THE CODE
$! %
5SE KEY
!
TO SCROLL TO
ADDRESS "Y PRESSING THE .O KEY
.
THE POSI
TIONS OF THIS SWITCH ARE CHANGED 4HE DESIRED POSI
TION MUST BE CONFIRMED WITH THE ENTER KEY
%
!S WITH EVERY SETTINGS OF THE DEVICE FOR WHICH CODE
WORD INPUT IS NECESSARY CODEWORD OPERATION MUST
BE TERMINATED 4HIS IS DONE BY USING 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 BECOME
VALID NOW )F YOU PRESS THE .O KEY
.
INSTEAD
CODEWORD OPERATION WILL BE ABORTED IE ALL ALTER
ATIONS WHICH HAVE BEEN CHANGED SINCE THE LAST
CODEWORD ENTRY ARE LOST 4HUS ERRONEOUS ALTERATIONS
CAN BE MADE INEFFECTIVE
3 9 3
6 $ % 7
! . . 5 . #
- % ! 3 6 ! ,
"EGINNING OF BLOCK !NNUNCIATIONS AND MEASURED VAL
UES FOR THE SYSTEM INTERFACE WITH 6$%7:6%) COMPAT
IBLE PROTOCOL )%#
3 9 3
4 % 3 4
/ & &
/NLY FOR 6$%7:6%) COMPATIBLE PROTOCOL )%#
IN
/.
POSITION THE 6$%7:6%) COMPATIBLE ANNUNCI
ATIONS )%# ARE ASSIGNED WITH THE ORIGIN
TEST OPERATION
/ .
$O NOT FORGET TO SWITCH ADDRESS BACK TO 393 4%34
/&&
AFTER HAVING FINISHED TEST OPERATIONS
Summary of Contents for 7SD502
Page 148: ... PPENDIX 3 6 PPENDIX ENERAL DIAGRAMS ONNECTION DIAGRAMS 4ABLES ...
Page 176: ... 3 6 ...