HONEYWELL PKS PID控制模块应用

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1、www.plcworld.cnTopic:CascadePIDControlModuleContentsConfigureaCascadePIDControlModule............................................................................................38/2/2004ExperionPKSControlExecutionEnvironmentEXP04R2011Honeywell,Inc.www.91HMI.c

2、omwww.plcworld.cnThispagewasintentionallyleftblank.2ExperionPKSControlExecutionEnvironmentEXP04R2018/2/2004Honeywell,Inc.www.91HMI.comwww.plcworld.cnCascadePIDControlModuleConfigureaCascadePIDControlModuleConfigureaCascadePIDControlModulePracticeObjectiveConf

3、iguringacascadecontrollerforT-100bottomlevelcontrol.Prerequisites•ExperionPKSServeroraClientmachinewithExperionPKSEngineeringToolsloaded.•CheckiftheDebutanizer_123graphicisloadedontheServer.(Thisisrequiredatalatertimetocheckthecontrolphilosophy).•ControlBuild

4、erisrunningwithtwotreewindowsopen.•TheSCEControllerandtheIOMsareconfigured.•ExcelDataExchangeopenwiththesimulationspreadsheetloaded.IntroductionThefirstCascadeloopbuiltisLC14,theT-100bottomlevelcontrol.Althoughtheloophastwosecondaries--FC17andFC18--inthislabt

5、hecascadeisbuiltwithjust11_FC17.11_FC18isconfiguredinthenextlab.TheP&IDshowsthatthisloophasaninterlockwiththebottomsafetyvalveandisthePrimarytobothoutletstreams(FC17andFC18).LSD15isdrivenbyinterlocklogic,whichtripsthevalveintheeventofalowlevel.Thetripisresetw

6、henthelevelisabove5%.Thecomparatorfor5%willalsobeconfigured.Theinterlock(11_LSD15)willbeimportedintotheproject.Thecascadeloop,withLC14asprimaryandFC17assecondary,willbebuilt,anddownloadedinthislab.However,thefunctionalitywillbetestedafterthenextlabwhenFC18isa

7、ddedtoproject.TheloopsrequireabumplesstransferfromCAStoAUTOtoMAN..8/2/2004ExperionPKSControlExecutionEnvironmentEXP04R2013Honeywell,Inc.www.91HMI.comwww.plcworld.cnCascadePIDControlModuleConfigureaCascadePIDControlModuleThefollowingCMsneedtobeconfigured.CMNam

8、eActiontobetaken11_LC14&11_FC17Configureasasimplecascadeloop.11_LSD15Importedfrom:C:ProgramFilesHoneywellExperionPKSEngineeringToolsixportModify11_LC14Addlogictocheckwhenlevelgoesabo