Chapter10ConfigurationoftheAlkalineTowerDCS-ControlAlgorithm10.1Topic10.1AlkalineTowerDCS-BasicControlAlgorithmConfiguration……SingleLoopFeedforwardSingleLoopRatioCascadeFeedforwardCascadeSingleLoopCommunicatorJX-300XPDCSSystemControlSchemeCommonControlSchemeCustomControlScheme1.ControlSchemeSCXLLanguageProgrammingGraphicalProgramming……SingleLoopRatioCascadeFeedforwardSingleLoopFeedforwardCascadeSingleLoopCommunicatorJX-300XPDCSSystemControlSchemeCommonControlSchemeCustomControlSchemeI組態(tài)1.ControlSchemeSCXLLanguageProgrammingGraphicalProgramming……SingleLoopRatioCascadeFeedforwardSingleLoopFeedforwardCascadeSingleLoopCommunicatorJX-300XPDCSSystemControlSchemeCommonControlSchemeCustomControlScheme1.ControlSchemeSCXLLanguageProgrammingGraphicalProgrammingSingleTankWaterLevelDCSAlkalineWashingTowerDCS（InputandoutputofcommonLooponlyallowAIandAO）（Forsomecontrolwithspecialrequirements,youcandefineyourowncontrolschemeaccordingtoactualneeds）1.FT_51501、PT_51501andTE_51501PVvalueofanaloginputTwobytehalffloatingpoint-7.9999~+7.99992.250,273,101Two-byteunsignedinteger0~655353.1.08Twobytehalffloatingpoint-7.9999~+7.99994.AdditionMultiplicationDivisionThecalculationresultisafour-bytefloatingpointnumberCompensationFormulaConfiguration：ThecustomalgorithmparagraphfilenameisGongshi，thecustomvariableFI_51501，thevariabletypeiscorrect,thevariablenameis"flowcompensationdata",theunitisT/h,andthelogicalconstructioniscompletedaccordingtothecalculationformulagivenbelow.FI_51501=FT_51501*{[(250+273)*(PT_51501+101)]/[(1.08+101)*(TE_51501+273)]}5.CalculationResult→FI_51501CustomvariableFI_51501isafour-bytefloatingpointnumber2.CompensationFormulaRequirementsforCaseProjectAnalysisCalculationResult→FI_51501CustomVariableFI_51501isfour-bytefloating-pointnumberCustomVariableConfiguration3.DataDefinitionofFlowCompensationforCaseProjectCompensationFormulaConfiguration：ThecustomalgorithmparagraphfilenameisGongshi，thecustomvariableFI_51501，thevariabletypeiscorrect,thevariablenameis"flowcompensationdata",theunitisT/h,andthelogicalconstructioniscompletedaccordingtothecalculationformulagivenbelow.

FI_51501=FT_51501*{[(250+273)*(PT_51501+101)]/[(1.08+101)*(TE_51501+273)]}MainControlCard-No.2ControlStation（Oneprojectcorrespondstoonecontrolstation）CreateaGraphicProgrammingProjectCustomControlAlgorithmofAlkalineWashingTowerSavepath:Projectfolder/ControlFirstStepCreateAlgorithmProject4.FlowCompensationFormulaConfigurationforCaseProject4.FlowCompensationFormulaConfigurationforCaseProjectSecondStepCreateProjectSectionsCompensationFormulaConfiguration：ThecustomalgorithmparagraphfilenameisGongshi，thecustomvariableFI_51501，thevariabletypeiscorrect,thevariablenameis"flowcompensationdata",theunitisT/h,andthelogicalconstructioniscompletedaccordingtothecalculationformulagivenbelow.

FI_51501=FT_51501*{[(250+273)*(PT_51501+101)]/[(1.08+101)*(TE_51501+273)]}FI_51501MultiplyDevideMultiplyAdd250273AddPT_51501測量值MultiplySfloat-to-FloatPT_51501瞬時值Range0.9101相乘Add1.08101AddTE_51501測量值MultiplySfloat-to-FloatTE_51501瞬時值Range300273FT_51501測量值Sfloat-to-FloatFT_51501瞬時值180004.FlowCompensationFormulaConfigurationforCaseProjectThirdStepFunctionBlockConfiguration

Calculationandanalysisofcorrespondingflowcompensationformula

Callingrelatedfunctionblocksinaparagraph

Completethef