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Iskra MC330 User Manual

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TABLEOFCONTENTS
IV Measuringcentres
–
MC320,MC330,MC350&MC350H‐User’sManua
l
TECHNICALDATA.........................................................................................................................................47
ACCURACY............................................................................................................................................................47
INPUTS.................................................................................................................................................................48
Voltageinput.................................................................................................................................................48
Currentinput.................................................................................................................................................48
Frequency......................................................................................................................................................48
Supply............................................................................................................................................................48
CONNECTION........................................................................................................................................................48
Permittedconductorcross‐sections..............................................................................................................48
MODULES.............................................................................................................................................................49
Relayoutput..................................................................................................................................................49
S0(pulse)output...........................................................................................................................................49
Tariffinputmodule.......................................................................................................................................49
Digitalinputmodule......................................................................................................................................49
Analogueoutput...........................................................................................................................................49
COMMUNICATION..................................................................................................................................................50
ELECTRONICFEATURES............................................................................................................................................50
LCD................................................................................................................................................................50
Responsetime...............................................................................................................................................50
Memory(MC350&MC350Honly)................................................................................................................50
LED’s..............................................................................................................................................................50
RTCbackupsupply........................................................................................................................................50
SAFETYFEATURES...................................................................................................................................................51
Safety............................................................................................................................................................51
Testvoltage...................................................................................................................................................51
EMC...............................................................................................................................................................51
Protection......................................................................................................................................................51
Ambientconditions.......................................................................................................................................51
Enclosure.......................................................................................................................................................51
DIMENSIONS.........................................................................................................................................................52
APPENDIXA:MODBUSPROTOCOL..............................................................................................................53
MODBUSCOMMUNICATIONPROTOCOL......................................................................................................................53
Modbusprotocol...........................................................................................................................................53
Registertableforthenormalizedactualmeasurements..............................................................................55
100%valuescalculationsfornormalizedmeasurements.............................................................................57
Registertableforthebasicsettings..............................................................................................................57
Datatypesdecoding.....................................................................................................................................58
APPENDIXB:DNP3COMMUNICATIONPROTOCOL.......................................................................................59
DNP3COMMUNICATIONPROTOCOL..........................................................................................................................59
DNP3.............................................................................................................................................................59
Registertablefortheactualmeasurements.................................................................................................60
APPENDIXC:PROFIBUSPROTOCOL..............................................................................................................63
PROFIBUSOVERVIEW..............................................................................................................................................63
Structureoftheinput/outputtelegram........................................................................................................63
Telegramstablefortheactualmeasurements.............................................................................................65


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Iskra MC330 Specifications

General IconGeneral
BrandIskra
ModelMC330
CategoryMeasuring Instruments
LanguageEnglish

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