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1、AreYourPlantCalculationsinOneExcelofaMess?EricMurphyJanuary2007Industrialprocessesandmanufacturingsitesproducetremendousamountsofreal-timedata,whichrequirestransformationintousefulinformation.Whichapplicationisusedtoperformthesecalculationsvariesamongthecontrol
2、system,applicationlayersoftware,orverycommonlyinhumbleExcelspreadsheets.Asdemandsincreaseformorecomplexmodeling,regulatoryreportinganddatasharing,organizationsneedmorefromtheirapplicationthanpurenumbercrunching.TheMatrikonOPCDataCalculatoroffersapowerful,yetsim
3、plesolutionfordatacollection,calculationandcollaboration.TheNeedRegardlessofhowwellinstrumentedanoperationis,therearealwayscaseswhereinformationisrequiredthatisnotdirectlymeasured.Dependingonwheretherawdatacomesfrom,orwhoisusingtheresults,thesecalculationsgobyd
4、ifferentnames;PlantorEngineeringCalculations,ProcessEquations,PerformanceStatistics,etc.Regardlessofthename,theyinvolvecollectingrawdata,performingsomeformofmanipulation,andprovidingtheresultstooneormoredestinations.Whattheresultsofthesecalculationsrepresentisv
5、erydiverse,includingthingslike:•EquipmentPowerCalculations•FloworThermalEquations•MassorEnergyBalances•ProcessRatesorEfficiencies•EmissionsTracking•AbnormalConditionDetection•ProcessAnalyzerPerformances•OperationalorEconomicKPIEquations•SystemOptimizationsTheli
6、stofknowledge-intensecalculationsisboundless,andtheinformationtheyprovideiscriticaltoanyindustrialoperation.Accurate,efficientandtimelycalculationsarerequiredtoimproveoperationalefficiencies,optimizeprocessesorconformtoregulatoryorreportingrequirements.TheCommo
7、nSolutionItisclearthatsuchcalculationsarerequired.Whatislessobviousiswhichapplicationisbestsuitedforperformingthesetasks.Forvariousreasonsitisnotpractical,efficientorpossibleforthecontrolsystemsorhistorianplatformstosupportthecalculationrequirementsofthewholeor
8、ganization.Duetouserfamiliarity,relativecomputingpowerandreadyavailability,veryoftenmanyplantcalculationsarecontrolledbyacollectionofExcelspreadsheets.Itisunderstandablewhys
