ABB- 800xA -自定义用户功能块和面板

FILENAME

Exercise_6.3_optional.doc

D

SUBJECT

System800xATraining

PAGE

52

PAGE

51

FILENAME

Exercise_6.3_optional.doc

2/52

CreatingaFaceplatefortheUser_definedFunctionBlock(Optional)

Description

Wearegoingcreateasolutionwithablock,calledmyTank_FB,.Itwillhavethefollowingcharacteristics.

AvariablecalledTankLevel,whichrepresentsthelevelintheTank

AvariableFlowSpeed,whichsetsthespeedoffilling

AvariablecalledOnOffwhichstarts/stopsthefillingoftheTank

AparameterMaxAlarmwhichsetsthelevelforaHHAlarm

AparameterMinAlarmwhichsetsthelevelforaLLAlarm

WewouldliketohavethefollowingaspectsconnectedtothemyTank_FB

GraphicalElementshowingtheTank,thename,thealarmlimitsandtheLevel

AFaceplateforcontroloftheTank

TrendDisplayshowingtheLevel

AhistorylogloggingtheLevel

AnAlarmandEventlistshowingtheTankAlarms

SolutionSteps

ProcessPortalAandControlBuilderisananintegratedDCSSystem.Thismeansthatyouonlyneedtoengineeringtheysystemonce.AllobjectsthatyoucreateintheControlBuilderwillautomaticallyappearinProcessPortalandviceversa.

StartPlantExplorer

StartPlantExplorerandopennavigatetotheControlStucture

OpentheProjectintheControlStructure

ItmaytakeaminuteortwotoopentheProject.

CreateanewofProgram

CreateanewProgramandcallitExerciseandassignaTasktotheit.ProcessPortalgetsconfusedifyouhaveseveralapplicationswiththesamename.Besuretoselectauniquenameforyourapplication.

AttachittoaTaskintheController

CreationofyourLibrary

Thenextstepistocreatealibrary,sowecanre-usethesolutionwecreatetodayinseveralprojects.

CreateaLibrarycalledYourNameDemoLib,forexampledemoLib.

CreationofmyTank_FB

InthelibraryweshouldcreateafunctionblocktypecalledmyTank_FB.

ControlBuilderispartoftheIndustrialIT,whichleadstothatwhatyoucreateintheControlBuilderisalsocreatedinthePlantExplorer.

CreatethefunctionalityoftheTankBlockasdescribedbelow.Wewilllaterincreasethefunctionality.

NotethatyouneedtobeintheControlBuildertomakesthechangesinthecode.EitheryouswitchtotheControlBuilderusingtheTabsoryoucanrightmouseclickonyouFunctionBlockinPlantExplorerandselectFunctionBlockEditor.

CodeandParameters

Variables

CreationofGraphicElementonmyTank_FB

ThenextstepistocreateaGraphicElementonthemyTank_FBtypeinProcessPortal.WewanttocreateaGraphicElementthatshowsthevalueofLevelinaNumericDisplayandinaBarGraphandshowthenameofthefunctionblock.

LocatethemyTank_FBintheObjectTypeStructureandselectNewAspect.

CreateanewGraphicElementPG2andcallitGraphicElement.Edittheelement.

Createthestaticpartasfollows

Iusedthefollowingelements

Forthetanktop,bottomandbody

FortheName

FortheBarGraph

FortheNumericLevel

Itistimetoconnecttheelementstotheprocess.WhatwearegoingtouseittheExpressionBuilder.BydoingthisisinObjectTypeStructureweassignthevariablesrelativelytotheTankObjectType.Thismeansthattheassignmentswillworkforanytankthatwecreate,i.e.wedonotneedtoassigntheNameandtheLeveltoeachTank.Itisdoneautomatically.

SelecttheNumericandjumptothepropertieswindow.SettheparameterNo1~5aswellastheblowgraphic.AdjusttheNo.6parametertoapropervalue.

FortheNo.7parameter,jumptotheExpressionEditorfromselectingradiobuttonswithinthePropertiesWindowtoadddynamicvalue:TankLevel.

ContinuetoaddtheLeveltotheinputoftheBarGraph.

ConnecttheTextElement’sTextpropertytotheNameoftheFunctionBlock.

Savethegraphicandtestthebehavior.Testing,whileintheGraphicEditor,canbedoneby“View>TestData”.

TakealookintheObjectTypeStructureonthegraphicelement.

Creationoftheyourfirstprogram

LetscreateasmallapplicationconsistingoftwoinstancesofthemyTank_FBandtestthefunctionality.WewillusetheFunctionBlockEditortowriteourapplicationinProgram2

ConnectLibraries

ThefirststepweneedtodoistoConnectthemyUserLibtoourApplication.GotheControlStructureandselectyourapplication.PressConnectLibraries

SelectmyUserLibandpressOK

CreatetheProgram

GotoExcise_No2anddeclareaFunctionBlockcalledmyTank1andassignFS1(FlowSpeed1)totheinputandsetitto5.RepeattheprocedureforanotherTankcalledmyTank2andusetheinputFS2(FlowSpeed2)andsetitto10.

Thesolutionisbelow

VariablesandCode

FunctionBlocks

AssoonasyoupressApplyintheEditorWindowyouwillgettheFunctionBlocksintheControlStructureofProcessPortal.ThisiswhatwecallIntegratedEngineering.

TakealookintheControlStructureandyouwillseebothTanks.

Wewouldliketoseeifourprogramsworks.GotoSimulatemodeandtestyourprogram.

BelowistheExcise_No2insimulationmode

Youcanseethevalueoftheparameters,butifyouwanttoseethevariables,forexamplethelevelyouneedtogodownonelevel.Youcandothatmyrightmouseclickingonthefunctionblockandselect“OnlineEditor”

BydoingthatyougetaviewofthecodeinsidetheFunctionBlock.

Inthismodeyouwillseeallvariablesinsidethefunctionblock.

Godownloadandgoon-line

Nowwhenyouknowyourelementisworking,itistimetodownloadandgo-online.RemembertosetyouSystemIdentityforyouSoftControllertoyourIPaddress(127.0.0.1:2fortheSoftController)

Checkthatyouhavelivedata

YoucancheckthatyouhavelivedatabylookingattheFunctionBlockaspectsintheControlStructure.

LocatetheExercise,Program1,selecttheFunctionBlockandthetabPropertyViewandselect“Subscribeforlivedata”

Ifyougetvaluesinthetableyouknowthatyouhavelivedata.

Ifyoudonotgetlivedata,makesurethatyouhavestartedtheOPCServerandthatyouhaveselectedyourPCastheprovider.

CreationofthefaceplateformyTank_FB

Nowwewanttocreateafaceplate,tocontrolourLevelinthemyTank_FB.

FirstofallweneedtoaddthecodethatmakesispossibletostoptheTankLevelintheTank.

GobacktotheControlBuilderandeditthemyTank_FBbyaddinganOnOffvariableanduseitasbelow.

CreatetheFaceplate

TheFaceplateisthemainaspectforthefaceplate.LocatethemyTank_FBintheObjectTypeStructureandcreateaFaceplatePG2aspectnamedFaceplate.

Takealookatthefaceplate.Atthismomentitisjustempty.Wewouldliketofillitwithsomeinformationandsomeactionsbuttons.

ThefirststepistoselecttheConfigviewandcreatetwobuttonsOnandOfftosetthevalueoftherunningvariable.SwitchtoConfigViewandselecttheButtonstab.

ClickIcon/Labelstospecifywhaticonortextyouwanttohaveonthebutton.

Thenextstepistoselectwhatpropertywewanttoset.ThisbuttonshouldsettheOnOff.

Thethirdstepistosetwhatpropertyvalueweshouldwritetothecontrollerwhenwepushthebutton.WewouldliketowriteTruetotheOnOffwhenwepushtheOpenButton.

Youcanalsosupplyatooltip.Thelastthingyouneedtodoistoselectinwhatpositionsthebuttonshouldappear.Thepositionsarenumberedfromlefttoright.

RepeattheprocedurefortheCloseButtons.CallitC.ThelastthingyouneedtodoistosetthepositionoftheButtonintheFaceplate.

GobacktotheFaceplateViewandtakealookatyourFaceplate.

GobacktotheControlStructureandselecttheOverviewGraphicsonExcise_No2.RightmouseclickonTank1andselecttheFaceplate.TrytoOpenandClosetheTank.Tank2hasthesamefunctionalitysincewebuilttheFaceplateontheType.

ItwouldbeniceifanoperatorcouldopentheFaceplatebyjustclickingontheObject.Itisquiteeasytoconfigurethatbehavior.GobacktotheObjectTypeStructureandselecttheFaceplateAspect.RightmouseclickandselectProperties.

SelectDefaultAspectintheAspectDetailsTab.

GobacktotheOverviewGraphicsandclickontheTanktobringupthefaceplate.

CreationofaFaceplateElement

Wewanttohaveafaceplateelementinthemiddleofthefaceplatethatshowabargraphwiththelevel.Wealsowanttobeabletosetthelevelmanually.

Inordertodothat,weneedtocreateafaceplateelementonthemyTank_FB.AFaceplateElementisanelementthatcanacceptinputtothecontroller.

Editthefaceplateelement.WewanttobeabletoclickandsetthelevelandturntheLevelonandoff.

WearegoingtousetheToggleButtonandtheBar

TietheLeveltotheBarvalueinthePropertiesWindow.

AttachtheTogglebuttontotheOnOffsignal

SavetheFaceplateElement

Youneedtooutthisfaceplateelementintothefaceplate.GototheObjectTypeStructureandselectConfigViewontheFaceplateandselecttoincludetheFaceplateElementintheElementstab.

ClickApply

OpenyourOverviewGraphicsandselecttheFaceplate.ItshallnowhaveaniceFaceplateElementintheFaceplate.YoucansetthelevelandtoggleOnOffwiththeToggleButton.

Addanindicator

WewouldliketohaveanIndicatorshowingthestatusoftherunningvariable.

SelecttheConfigViewontheFaceplateintheObjectTypestructure.

ClickintheIcons/LabelsWindowandsupplythewhatshallbeshownastheindicator

Weneedtodecidewhenwhaticonshouldbeshown.ClickintheExpressionWindowtosupplyanExpression

Iif($'.:OnOff',0,1)

Thisexpressionmeans:Showlabelnumber0ifOnOffisTRUEotherwiseshowlabelnumber1.

SelectthepositiontoshowtheIndicator

OpenyourOverviewGraphicsandselecttheFaceplate.ItshallnowhaveaniceFaceplateElementintheFaceplate.YoucansetthelevelandtoggleOnOffwiththeToggleButton.

CreationofanOverviewDisplay

WewouldliketohaveanOverviewDisplaysthatholdsbothofourTanks.GototheFunctionStructureandcreateanewGraphicDisplayPG2.

RightmouseclicktoEdit.

Wewould,ofcourse,liketore-useinsteadofcreatinganewTankElement.

Agraphicelementmaybeusedinanygraphicdisplay.Toaddanelementtothedisplay,selecttheElementBrowsericonfromthetoolbar:

Allofthedynamiclinkingtotheprocessdataisalreadydone.Thisisthepowerofusinggraphicelements.ThereforewearegoingtousetheElementExplorertoselecttheGraphicElementsonourTanks.

SelectmyTank1andMytank2intheControlStructure,allreusablegraphicelementsarelisted.ThistimemyTank1ownagraphicelementnamedgraphicelementonly.

Selectandaddthegraphicelementinthedisplaybyseveralmethods:

-selecttheelementandclickontheeditpanel

-double-clicktheselectedgraphicelement

-draganddroptheelementontotheeditpanel

-selectthegraphicelementandpress“Enter”.

ArrangethemandinsertatextasaHeadline.

TherearetwomodeswhichcanbeselectedintheGraphicsBuilder:

• EditMode

Thisisthedefaultmodeandallowstheusertobuildthegraphicaspectwithoutanyinteractiveconnectiontodynamicdata.

• LiveMode

Thisallowstheusertoviewthebehaviorofgraphicaspectswithdynamicvalues.

PleaseuseLivemodetoseeresultbelow.

AsyouseeyoucanhavelivedataintheGraphicsBuilder.

SavetheGraphics.

IfyoudonotseethelivedatapleasemakesureyouhaveselectedtheLiveDataoption

AddaTrendDisplayformyTank_FB

Wewouldliketohavearun-timetrendshowingtheLeveloftheTank.GototheObjectTypeStructureandselectthemyTank_FBandcreateaTrendDisplay.

WecreateTrendDisplayonthetype.Inordertogetarelativepath,typein“.”(youtypeinadotandthedotwillbereplacebythetypename)fortheObject.SelecttheFunctionBlockastheAspectandtheTankLevelastheproperty.

Alsosetthehighrangeto100.00

Savethetrend.

OpenyourOverviewGraphicsandselecttheTrendDisplay.

Changethetimerangetoaminute.

ConfigurehistorytologtheTankLevels

WewouldliketohistorizetheTankLevel.

GototheControlStructureandcreateaLogConfigurationAspectonTank1.

TheLogConfigurationAspectletsyoudefinewhatpropertytologandwhattemplatetouse.Thetemplatedefineshowtolog,e.g.howoftenandhowlargeofastorageeachtaghas.

ClickontheTankLeveltologit.

SelecttheTemplateyouwouldliketouse

PressOKandApply.

NowyouTankLevelforTank1isbeingHistorized.

RepeattheProcedureforTank2anditsTankLevel.

AddanAspectLinktotheTrendontheFaceplate

WewanttohaveanAspectLinkonthefaceplatetotheTrendDisplay.GobacktotheObjectTypeStructureandselectConfigViewontheFaceplateandtheIndicatorsTab.

SelecttheViewyouwantthebuttontoopen.

SelecttousetheAspectIconastheIcon/Label

Selectthepositiontobenumber6foralldifferentsizesofthefaceplate.

OpenyourOverviewGraphicsandselecttheFaceplate

AddingAlarmingtothemyTank_FB

ConfiguretheAlarmHandlingforthemyTank_FB

InordertogettheAlarmingfunctionalityintheControlleryouneedtoinserttheAlarmEventLibintotheproject

ConnecttheAlarm&EventLibtotheApplication.

ConnecttheAlarm&EventLibtomyUserLib.

WewilladdthealarmingtoourmyTank_FBtype,whichmeansthatallourinstanceswillgettheAlarmfeatures.

AddtwoFunctioBlocksoftheAlarmCondtype,calledHIHIandLOLO,tothemyTank_FB.

WewouldliketobeabletochangetheHIHILimitandtheLOLOLimitfromtheuserinterface.InordertogetthecorrectNamedisplayedintheAlarmandEventList,weneedtoaddaNameparameterandassignintheprogram.

Declarevariablesandwritethecodeasbelow

Parameters

SinceweaddedsomeParametersweneededtoupdatetheControlLogic.

DownloadthecodetotheController

SetupAC800M/COPCServertocollectAlarms

IfyouhavenotconfiguredtheOPCServertocollectAlarmsfromyourcontroller,pleasefollowthestepsbelow.(Youneedtodothiseverytimeyoure-startyoursystemoryouneedtoconfiguretheOPCServertoAutoLoadtheconfiguration)

OpentheOPCPanelfromtheStartMenu

TypeintheIP-addressofyourcontrollerandpressConnect

YourOPCServerisnowconnectedtoyourController

ConnectProcessPortaltotheOPCServer

IfyouhavenotconnectedtheOPCServertoProcessPortalA,pleasefollowthestepsbelow.Youonlyneedtodothisonce

OpenPlantExplorerandtheServiceStructureandlocateEventcollectorandnewaservicegroupobjectnamedAC800MOPCAECollector.

AddaserviceProvideobjectnamedAC800MOPCAEProviderinthisgroup.

.

ClickAddandselecttheOPCAEServerforAC800M.ClickApplyintheServiceGroupDefinitionAspect.

YouhavenowsetuptheAlarmCollectioninProcessPortal

ChecktheAlarming

OpenyourOverviewGraphicsandselecttheAlarmListforTank1.Note:TheAlarmListwascreatedautomaticallyonthemyTank_FBanditisconfiguredtoshowalarmsonlyfortheselectedobject.

YoucanalsochecktheAlarmsforTank2byrightmouseclickingontheTank2andselectingtheAlarm&EventList.

CreateanAlarm&EventListforanArea

WewouldliketohaveanAlarmListforthatshowsallalarmsfromTank1andTank2.

GotoExcise_No2andcreateanAlarm&Eventlist

ThisAlarm&EventListshouldshowtheAlarmscomingfromExcise_No2andbelow,i.e.myTank1andmyTank2.

SelecttheConfigViewontheAlarm&Event