TABLEOFCONTENTS
Measuringcentres
MC320,MC330,MC350&MC350H ‐ User’sManua
III
ENERGY‐COUNTERS...............................................................................................................................................31
Activetariff .........................................................................................................................................31
CommonEnergyExponent(CommonEnergyCounterResolution–MiQen2.xandabove).........................31
Counterdivider(IndividualcounterResolution–MiQen2.xandabove)......................................................32
Tariffclock ................................................................................................................................................32
Countermeasuredquantity ......................................................................................................................33
INPUTSANDOUTPUTS.............................................................................................................................................33
Pulse(S0)module ...............................................................................................................................34
Relay(alarm)module(MC350,MC350HandMC330only) ...............................................................34
Functionsofoutputmodules(PulseandRelay) .................................................................................34
Digitalinputmodule .................................................................................................................................35
Tariffinputmodule ...................................................................................................................................35
ALARMS(MC350,MC350HANDMC330ONLY)......................................................................................................36
Alarmssetting ...........................................................................................................................................36
Alarmssetting ...........................................................................................................................................36
Typesofalarms.............................................................................................................................................36
MEMORY(MC350ANDMC350HONLY)..................................................................................................................37
Memorydivision .......................................................................................................................................37
Memoryoperation .............................................................................................................................37
Memoryclearing .......................................................................................................................................37
RecordersAandBsetting .........................................................................................................................37
RESETOPERATIONS.................................................................................................................................................38
Resetenergycounters(E1,E2,E3,E4) ...............................................................................................38
ResetmaximalMDvalues(MC350,MC350HandMC330only) ........................................................38
ResetthelastMDperiod(MC350andMC330only) ..........................................................................38
Alarmrelay(1or2)Off(MC350andMC330only) .............................................................................38
Resetalarmstatistic .................................................................................................................................38
MEASUREMENTS.........................................................................................................................................39
INTRODUCTION......................................................................................................................................................39
SUPPORTEDMEASUREMENTS...................................................................................................................................39
AVAILABLECONNECTIONS........................................................................................................................................39
Surveyofsupportedmeasurementsregardingconnectionmode................................................................39
EXPLANATIONOFBASICCONCEPTS.............................................................................................................................41
Samplefactor−MV.......................................................................................................................................41
Averageinterval−MP...................................................................................................................................41
Powerandenergyflow.................................................................................................................................41
PRESENTVALUES....................................................................................................................................................42
CALCULATIONANDDISPLAYOFMEASUREMENTS...........................................................................................................42
Voltage ................................................................................................................................................43
Current ................................................................................................................................................43
Active,reactiveandapparentpower ..................................................................................................43
Powerfactorandpowerangle ...........................................................................................................43
Frequency ...........................................................................................................................................44
Energy .................................................................................................................................................44
MDvalues ...........................................................................................................................................44
THD‐Totalharmonicdistortion .........................................................................................................44
Customizedscreens .............................................................................................................................44
Overview .............................................................................................................................................44
ALARMS...............................................................................................................................................................46
Surveyofalarms .................................................................................................................................46
DEMONSTRATIONMEASUREMENTS............................................................................................................................46
Democycling ...........................................................................................................................................46