InTouchViewApp Object.docx

InTouchViewApp Object.docx

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InTouchViewAppObject

InTouchViewAppObject

TheInTouchViewAppobjectrepresentsanInTouchapplicationintheWonderwareApplicationServerenvironment.TheInTouchViewAppobjectmanagesthecheck-in,check-out,anddeploymentofanInTouchapplication.

TheInTouchViewAppobjectincludesthecapabilitiesoftheApplicationServer2.1InTouchProxyobject,sothatInTouchtagscanbereferencedbyApplicationServer（MessageExchange）clientsasInTouchViewAppattributes.

Formoreinformation,clickonaHelptopic.

∙Overview

∙Run-TimeBehavior

∙Configuration

∙Run-TimeObjectAttributes

Overview

TheInTouchViewAppobjectisusedtoincorporateInTouchapplicationsintoanoverallsystemdefinedbyaWonderwareApplicationServerGalaxy.TheApplicationServersystemmanages:

∙Check-inandcheck-outformultipleusers.

∙SecurityrestrictionsonwhocandeploytheInTouchapplicationandwhentheInTouchapplicationcanbedeployed.

∙Backupandrestore.

∙Deploymentandundeployment.

ManagedInTouchapplicationsassociatedwiththeInTouchViewAppcanalsocontainArchestrAgraphicsdesignedwithintheApplicationServerIDE.

TheInTouchViewAppobjectallowsapplicationobjectsrunningonaViewEngineobjecttoaccessInTouchtagsasiftheywereApplicationServerattributesoftheInTouchViewAppobjectitself.ThetagsarebrowsableviathestandardApplicationServerattributebrowser.

YoucreateanInTouchapplicationbyderivinganInTouchViewAppobjectfromthestandardtemplate"$InTouchViewApp".Youaregiventhechoiceofstartinganewapplication,orcreatingacopyofanexisitingapplication.Eitherway,openinganInTouchViewAppobjectlaunchesWindowMaker.ThereisnoobjecteditorfortheInTouchViewAppobject.

ThemostsignificantchangetoWindowMakeristhatArchestrAgraphicscreatedwithintheApplicationServerenvironmentcannowbeaddedtoInTouchwindows.

AnewdialogtabunderSpecial/Configure/WindowViewercalledManagedcontainssettingssimilartotheInTouchNADfeaturethatcanbeconfiguredtochangethedeploymentbehavior.

YoucanassignmultipleInTouchViewAppobjectstothesameViewEngineobjecttomakemultipleInTouchapplicationsavailableonanode.

TorunanInTouchapplicationonanApplicationServerplatform:

∙CreateandassignaViewEngineobjecttoaplatform.

∙CreateaninstanceoftheInTouchViewAppobjectfromthetemplatethatdefinestheInTouchapplication.

∙AssigntheInTouchViewAppobjecttotheViewEngineobject.

∙DeploytheViewEngineobjectandtheInTouchViewAppobjectsassignedtotheViewEngineobject.

∙RuntheInTouchApplicationManagertoselecttheapplicationandrunWindowViewer.Thisonlyneedstobedonethefirsttime.

ExistingInTouchApplications

WhenyoucreateanInTouchViewAppobjecttohandleanexistingInTouchapplication,theInTouchapplicationfilesaretransferredtoafilerepositorydirectory.TheoriginalInTouchapplicationfilesarenotmodifiedordeleted.

Youshouldnotaccessfilesinthefilerepositorydirectlyormakeassumptionsaboutthefilerepositorystructure.

WhenyoumakechangestotheInTouchViewAppInTouchapplicationusingWindowMakerlaunchedfromtheIDE,theoriginalInTouchapplicationisnotchanged.

OnceyouhavecreatedtheInTouchViewAppobject,deletingtheoriginalInTouchapplicationdoesnoteffecttheInTouchViewAppobject’sapplication.

IfyoudeleteanInTouchViewAppobjectthatrepresentsanexistingInTouchapplication,theapplicationfilesareremovedfromthefilerepositorydirectory,buttheexistingapplicationisnotaffected.

NewInTouchApplications

WhenyoucreateanInTouchViewAppobjectforanewInTouchapplication,WindowMakerisstartedbytheIDE.YoucreatetheapplicationthesamewayyouwouldifWindowMakerhadbeenstartedfromtheInTouchapplicationmanager.

InTouchViewAppObjectRules

SomekeyaspectsofanInTouchViewAppobjectinclude:

∙YoucannotcreateInTouchViewAppinstancesfromtheInTouchViewAppbasetemplate.

∙YoucanderiveonlyonelevelofInTouchViewApptemplatefromthebaseInTouchViewApptemplate.

∙YoucannotderiveaninstanceoftheInTouchViewAppfromanexistinginstanceoftheInTouchViewApp.

∙InTouchViewAppobjectscannothostotherobjects.

∙OnlyViewEngineobjectscanhostanddeployInTouchViewAppobjects.

∙IntheModelview,youcanassignanInTouchViewAppobjecttoanAreaobjectifyouwanttheInTouchViewAppobject’salarmstobelongtothatarea.

∙UndeploymentofanInTouchViewAppobjectisnotpermittedifitiscurrentlyloadedonatargetnode.

∙WhenthefilecopyingprocessattheendofanInTouchViewAppobjectdeploymentisstillunderway,theonlyallowableoperationistoundeploytheobject.Thiswillcancelthedeploymentandremoveanypartiallycopiedfiles.

Forgeneralinformationonobjects,includingrelationships,deployment,andalarmdistribution,seetheIntegratedDevelopmentEnvironment（IDE）documentation.

RelatedTopics

Run-TimeBehavior

Configuration

Run-TimeObjectAttributes

Run-TimeBehavior

AnInTouchViewAppobjecthasnorun-timespecificbehaviors.TheInTouchapplicationassociatedwiththeInTouchViewAppobjecthandlesallrealtimeactivities.

Noobjectstateinformation,suchasStartUporGoingOnScan,isavailableforanInTouchViewAppobject.

TherearelimitsonanInTouchViewAppobject’sabilitytoaccessInTouchdata.

∙DatacomingfromInTouchtagsusedbyanArchestrAobjectmaytakeuptothirtysecondstodisplaynewvalueswhenadeployedInTouchViewAppobjectisshutdownandthenre-started.

∙AnArchestrAObjectcannotconnecttoInTouchtagscomingfromandInTouchViewAppiftheappisswitchedtoruntimefromtheIDE.TheInTouchViewAppmustbedeployedforthereferencestoconnect.

∙AnInTouchViewAppobjectcannotestablishadataconnectiontoanInTouchapplicationrunninginaterminalsession.

RelatedTopics

Overview

Configuration

Run-TimeObjectAttributes

Configuration

YouedittheInTouchViewAppobjectusingWindowMaker.

Forgeneralinformationonobjects,includingrelationships,deployment,andalarmdistribution,seetheIntegratedDevelopmentEnvironment（IDE）documentation.

RelatedTopics

Overview

Run-TimeBehavior

Run-TimeObjectAttributes

Run-TimeObjectAttributes

Thefollowingtabledescribestherun-timeonlyattributesfortheInTouchViewAppobject.

Attribute

Description

Run-TimeAccess

（Supervisory,User,Read-Only,None）

DeploymentInProgress

ThisattributeistruewhiletheInTouchViewAppobjectisbeingdeployed.

InTouchapplicationfilesaredeployedtotargetnodesasynchronouslytoavoidblockingtheIDEwhendeployingalargeapplicationonaslownetwork.

Evenafterthedeploymentisreportedas"complete"bytheIDE,itmaytakesometimebeforethedeploymentistrulyfinished.TheDeploymentInProgressattributeandaspecialIconfortheInTouchViewAppwithintheIDEbothindicatethatthefileshavenotfinishedtransferring.

Read-Only

LastModified

ContainsthedatetheInTouchapplicationwaslastchanged.

Read-Only

_SyncStatus

This"hidden"attributeisavailablefordiagnosticsandprovidesatextmessagethatmaybehelpfulinovercomingissuesrelatedtotheasynchronousfilecopyingprocess.

Read-Only

Connected（boolean）

ConnectionStatus

ThisbooleanandenumerationindicateiftheInTouchViewAppobjectiscommunicatingwithWindowViewer.Ifnot,mostlikelytheViewEngineobjectisnotrunning.

Read-Only

RelatedTopics

Overview

Run-TimeBehavior

Configuration

©2002-2008InvensysSystems,Inc.AllRightsReserved.

10/31/08

ObjectExtensions

Useobjectextensionstoaddfunctionalitytoanobjectwhilenotalteringitsoriginalbehavior.Objectextensionsarecommontoallobjectconfigurationeditors.

Formoreinformation,clickonaHelptopic.

•

Overview

•

Run-TimeBehavior

•

Configuration

•

Run-TimeObjectAttributes

•

MiscellaneousObjectAttributes

Overview

Eachobject'seditordisplaystwosetsofconfigurationoptions:

commonandcustom.ThecommonoptionsareshownontheObjectInformation,Script,UDA,ExtensionsandGraphicstabs.Thecontentofthecustomtabsisdependentontheobject'sfunctionality.

Note:

Objectextensionscanbeaddedtoderivedtemplatesandobjectinstancesonly.Basetemplatescannotbeextended.

AllobjectsintheArchestrAenvironmentarecomprisedofasetofattributesthattogetherproduceuniquefunctionality.Asoriginallydeveloped,eachobject'sfunctionalityisfiniteandusableinthatstate.Youmaywanttoincreaseanobject'sfunctionality,andtheobjectextensioneditoroptionsgiveyouthatflexibility.

Formoredetailedinformationaboutextendingthefunctionalityofanobject,see"WorkingwithObjectExtensions"intheIntegratedDevelopmentEnvironment（IDE）documentation.ToaccessthisdocumentationwithintheIDE,ontheHelpmenu,clickHelpTopics.

RelatedTopics

Run-TimeBehavior

Configuration

Run-TimeObjectAttributes

Run-TimeBehavior

Run-timebehaviorforanobjectextensiondependsonthetypeofextensionbeingaddedtotheobject.Onceanextendedobjectisdeployedandoperating,thefollowingbehaviorcanbeexpected:

Extension

Behavior

Script

ForStartup,OnScan,OffScanandShutdownexecutiontypes,scriptsexecutewhenthoseeventsoccurfortheobjectbeingextended.FortheExecuteexecutiontype,thescriptexecuteswhentheExpression,TriggerType,TriggerPeriodand/orDeadbandvaluesaresatisfiedwithinthecontextoftheobject'sscanperiod.Inotherwords,scriptscannotbetriggeredanyfasterthanthescanperiodoftheengineuponwhichthescriptruns.

UDA

User-definedattributesarepassiveinnature.Theyfollowthe