-ETHOD OF OPERATION
6%
6
# ' #
-ETHOD OF OPERATION
/PERATION OF COMPLETE UNIT
4HE NUMERICAL PARALLELING DEVICE 6% IS EQUIPPED
WITH A POWERFUL AND PROVEN BIT MICROPROCESSOR
4HIS PROVIDES FULLY DIGITAL PROCESSING OF ALL FUNCTIONS
FROM DATA ACQUISITION OF MEASURED VALUES TO THE
CLOSE SIGNALS FOR THE CIRCUIT BREAKERS
&IGURE SHOWS THE BASIC STRUCTURE OF THE UNIT
4HE MEASURED VALUE INPUT SECTION TRANSFORMS THE
VOLTAGES FROM THE MEASUREMENT TRANSFORMERS AND
MATCHES THEM TO THE INTERNAL PROCESSING LEVEL OF THE
-%
!%
, , ,
3ETTING VIA OP
ERATOR PANEL
"LOCKED
3ERVICE
BLOCKED
,%$
2ESET
3ERIAL
INTERFACE
0ERSONAL
COMPUTER
CLOSE
COMMANDS
OR
SIGNALS
,#$ DISPLAY
X CHARAC
TERS
¯
¿
#
#7
2
&
$!
0
-3 *9 .
%
OR BINARY
INPUTS
0OWER SUPPLY
OR
,%$
CONTROL
COMMANDS
WITH 6%
, ,
, ,
, ,
, ,
, ,
, ,
&IGURE (ARDWARE STRUCTURE OF PARALLELING DEVICE EXAMPLE