/PERATING INSTRUCTIONS
6+
6
# ' #
%
#ONFIRMATION KEY
%NTER OR CONFIRMATION KEY EACH
NUMERICAL INPUT OR CHANGE VIA THE
9ES.O KEYS MUST BE CONFIRMED BY
THE ENTER KEY ONLY THEN DOES THE
DEVICE ACCEPT THE CHANGE 4HE EN
TER KEY CAN ALSO BE USED TO AC
KNOWLEDGE AND CLEAR A FAULT
PROMPT IN THIS DISPLAY A NEW INPUT
AND REPEATED USE OF THE ENTER KEY
IS THEN NECESSARY
#7
2
&
$!
-3
#ONTROL AND SPECIAL KEYS
#ODEWORD PREVENTS UNAUTHO
RIZED ACCESS TO SETTING PROGRAMS
NOT NECESSARY FOR CALL UP OF AN
NUNCIATIONS OR MESSAGES
"ACKSPACE ERASURE OF INCORRECT
ENTRIES
&UNCTION KEY EXPLAINED WHEN
USED
$IRECT ADDRESSING IF THE ADDRESS
NUMBER IS KNOWN THIS KEY ALLOWS
DIRECT CALL UP OF THE ADDRESS
-ESSAGES3IGNALS INTERROGATION
OF ANNUNCIATIONS OF FAULT AND OPER
ATING DATA REFER 3ECTION
4HE THREE KEYS
!
Å
2%3%4 WHICH ARE SOMEWHAT
SEPARATED FROM THE REST OF THE KEYS CAN BE AC
CESSED WHEN THE FRONT COVER IS CLOSED 4HE ARROWS
HAVE THE SAME FUNCTION AS THE KEYS WITH IDENTICAL
SYMBOLS IN THE MAIN FIELD AND ENABLE PAGING IN FOR
WARD DIRECTION 4HUS ALL SETTING VALUES AND EVENT
DATA CAN BE DISPLAYED WITH THE FRONT COVER CLOSED
&URTHERMORE STORED ,%$ INDICATIONS ON THE FRONT CAN
BE ERASED VIA THE 2%3%4 KEY WITHOUT OPENING THE
FRONT COVER $URING RESET OPERATION ALL ,%$S ON THE
FRONT WILL BE ILLUMINATED THUS PERFORMING A ,%$ TEST
7ITH THIS RESET ADDITIONALLY THE FAULT EVENT INDICA
TIONS IN THE DISPLAY ON THE FRONT PANEL OF THE DEVICE
ARE ACKNOWLEDGED THE DISPLAY SHOWS THEN THE OP
ERATIONAL VALUES OF THE QUIESCENT STATE 4HE DISPLAY IS
SWITCHED OVER TO OPERATING MODE AS SOON AS ONE OF
THE KEYS
$!
-3
#7
OR
Å
IS PRESSED
/PERATION WITH A PERSONAL COM
PUTER
! PERSONAL COMPUTER ALLOWS JUST AS THE OPERATOR
PANEL ALL THE APPROPRIATE SETTINGS AND READ OUT OF
DATA BUT WITH THE ADDED COMFORT OF SCREEN BASED
VISUALIZATION AND A MENU GUIDED PROCEDURE
!LL DATA CAN BE READ IN FROM OR COPIED ONTO MAGNET
IC DATA CARRIER FLOPPY DISC EG FOR SETTINGS AND CON
FIGURATION !DDITIONALLY ALL THE DATA CAN BE DOCU
MENTED ON A CONNECTED PRINTER )T IS ALSO POSSIBLE BY
CONNECTING A PLOTTER TO PRINT OUT THE FAULT HISTORY
TRACES
&OR OPERATION OF THE PERSONAL COMPUTER THE INSTRUC
TION MANUALS OF THIS DEVICE ARE TO BE OBSERVED 4HE
0# PROGRAM $)'3) IS AVAILABLE FOR SETTING AND PRO
CESSING OF ALL DIGITAL PROTECTION DATA .OTE THAT THE
OPERATING INTERFACE IN THE FRONT OF THE RELAY IS NOT GAL
VANICALLY ISOLATED AND THAT ONLY ADEQUATE CONNEC
TION CABLES ARE APPLIED EG 86 &URTHER
INFORMATION ABOUT FACILITIES ON REQUEST
/PERATIONAL PRECONDITIONS
&OR MOST OPERATIONAL FUNCTIONS THE INPUT OF A CODE
WORD IS NECESSARY 4HIS APPLIES FOR ALL ENTRIES VIA THE
MEMBRANE KEYBOARD OR FRONT INTERFACE WHICH CON
CERN THE OPERATION ON THE RELAY FOR EXAMPLE
SETTING OF FUNCTIONAL PARAMETERS THRESHOLDS
FUNCTIONS
ALLOCATION OR MARSHALLING OF TRIP RELAYS SIGNALS
BINARY INPUTS ,%$ INDICATORS
CONFIGURATION PARAMETERS FOR OPERATION LANGUAGE
AND DEVICE CONFIGURATION
4HE CODEWORD IS NOT REQUIRED FOR THE READ OUT OF AN
NUNCIATIONS OPERATING DATA OR FAULT DATA OR FOR THE
READ OUT OF SETTING PARAMETERS
4HE METHOD OF ENTRY OF THE CODEWORD IS EXPLAINED IN
DETAIL IN THE INSTALLATION INSTRUCTIONS UNDER 3ECTION
