Iskra MC350 - BasicDescriptionAndOperation; Glossary

BASICDESCRIPTIONANDOPERATION

Measuringcentres
–
MC320,MC330,MC350&MC350H ‐ User’sManua
l
9

Glossary
Term Explanation
AC Alternatingvoltage
Hand‐overplace Connectionspotofconsumerinstallationinpublicnetwork
Hysteresisexpressedas
percentage[%]
Percentagespecifiesincreaseordecreaseofa measurementfromacertainlimit
afterexceedingit.
MD Measurementofaveragevaluesintimeinterval
MiQen SoftwareforIskra,d.d. instruments
MODBUS Industrialprotocolfordatatransmission
Profibus IndustrialprotocolstandardizedasIEC61158
M‐Bus IndustrialprotocolfullycomplieswithM‐BUSEuropeanstandardEN13757‐2
M
p
−Averageinterval
DefinesfrequencyofrefreshingdisplayedmeasurementsonthebasisofaSample
factor
M
v
−Samplefactor
Definesanumberofperiodsformeasuringcalculationonthebasisofmeasured
frequency
PAtotal Anglecalculatedfromtotalactiveandapparentpower
PA1,PA2,PA3 Anglebetweenfundamentalphasevoltageandphasecurrent
PF Powerfactor
RMS RootMeanSquarevalue
RTC Realtimeclock
THD Totalharmonicdistortion
2SO S0(pulse)outputmodule
2TI Tariffinputmodule
2RO Relay(alarm)outputmodule
2DI Digitalinputmodule


