-ETHOD OF OPERATION
6%
6
# ' #
!NCILLARY FUNCTIONS
4HE ANCILLARY FUNCTIONS OF THE PARALLELING DEVICE
6% INCLUDE
PROCESSING OF ANNUNCIATIONS
OPERATIONAL MEASUREMENTS
MONITORING FUNCTIONS
0ROCESSING OF ANNUNCIATIONS
)NDICATIONS AND BINARY OUTPUTS SIGNAL
RELAYS
)MPORTANT EVENTS AND CONDITIONS ARE INDICATED BY
OPTICAL INDICATORS ,%$ ON THE FRONT PLATE 4HE UNIT
ALSO CONTAINS SIGNAL RELAYS FOR REMOTE INDICATION
4HE ,%$ INDICATORS CAN BE TESTED BY PRESSING THE
2%3%4 ,%$ BUTTON ON THE FRONT WITHOUT OPENING THE
COVER
! GREEN ,%$ INDICATES READINESS FOR OPERATION 4HIS
,%$ REMAINS ILLUMINATED WHEN THE MICROPROCESSOR
IS WORKING CORRECTLY AND THE UNIT IS NOT FAULTY 4HE
,%$ EXTINGUISHES WHEN THE SELF CHECKING FUNCTION
OF THE MICROPROCESSOR DETECTS A FAULT OR WHEN THE
AUXILIARY VOLTAGE IS ABSENT
7ITH THE AUXILIARY VOLTAGE PRESENT BUT WITH AN EXIST
ING INTERNAL FAULT IN THE UNIT A RED ,%$ ILLUMINATES
"LOCKED AND BLOCKS THE UNIT
)NFORMATION ON THE DISPLAY PANEL OR TO
A PERSONAL COMPUTER
! PERSONAL COMPUTER CAN BE CONNECTED TO THE FRONT
INTERFACE OF THE NUMERICAL PARALLELING DEVICE !FTER
SYNCHRONIZATION FOR EXAMPLE IMPORTANT INFORMATION
CONCERNING THE HISTORY SUCH AS START AND CLOSE COM
MAND CAN BE CALLED UP ON THE DISPLAY OF THE DEVICE
OR VIA THE FRONT INTERFACE 4HE EVENTS ARE TAGGED WITH
A RELATIVE TIME
4HE EVENTS CAN ALSO BE READ OUT WITH A PERSONAL
COMPUTER 4HIS PROVIDES THE COMFORT OF A #24 SCREEN
AND MENU GUIDED OPERATION !DDITIONALLY THE DATA
CAN BE DOCUMENTED ON A PRINTER OR STORED ON A
FLOPPY DISC FOR EVALUATION ELSEWHERE
4HE DEVICE STORES THE DATA OF THE LAST THREE PARALLEL
ING PROCEDURES WITH A FOURTH PARALLELING THE OLDEST
EVENT IS OVERWRITTEN IN THE MEMORY
2OUTINE OPERATIONAL MEASURE
MENTS
4HE RMS VALUES OF THE MEASURED VOLTAGES ARE CON
STANTLY AVAILABLE FOR RECALL LOCALLY OR FOR REMOTE DATA
TRANSFER &URTHERMORE THE VOLTAGES THE FREQUENCIES
THE VOLTAGE AND FREQUENCY DIFFERENCES PHASE
ANGLES AND PHASE SEQUENCES IF MEASURED AS WELL
AS THE SELECTED PARAMETER BLOCK CAN BE READ OFF
FROM THE DISPLAY OR VIA THE OPERATING INTERFACE
Содержание 7VE51
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