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doc1PIModuleDatabase
NickD’Orazio
OSISoftwareTrainingCoordinator
PIModuleDatabaseOverview
IntegratedintoPIversion3.3,releasedApril2001
Scalable,securedatabases
Providesstructureattheserverlevelfororganizingplantinformation
DatabasesofferaccesstothePItimeseriesdatabases:
PIDataArchive
PIBatchDatabase
WhatisaPIModule?
Themanualsays:
"Astandardized,ofteninterchangeablecomponentofasystemorconstructionthatisdesignedforeasyassemblyorflexibleuse."
What?
WhatisaPIModule?
Standardized
EveryinstanceofthemodulehasthesameMethodsandProperties.
Interchangeable
Eaodulecanrepresentmanydifferentthings.
Everyinstanceofthemodulecanbeusedinmorethanoneplace.
Component
EaoduleisaHierarchicalCollection.
Easyassemblyorflexibleuse
Programmaticaccessfromanyprogramminglanguage.
AsuiteofActiveXcontrolswillprovidestandardaccess.(comingwithclienttoolsversion3.0andhigher)
WhatisaPIModule?
WhyisthePIModuleDatabaseUnique?
Configuration–ItstoresModulesinahierarchalformat,likeWindowsExplorer.
Presentation–Theuserseesthedataincontextoftheapplication.
WhyisthePIModuleDatabaseUnique?
BroadensPIServerfunctionalitybysupporting,
AssociationofPIpointswithmodules,Aliases.
WhyisthePIModuleDatabaseUnique?
BroadensPIServerfunctionalitybysupporting,
Storageofrelatedattributes,Properties.
WhyisthePIModuleDatabaseUnique?HistorizationversusRevisions
Historizationisreservedformajorevents
Additionofnewequipment
Equipmentupgrades
Revisionsarereservedforminorevents
Addinganewpropertyoralias
Modifyinganexistingpropertyvalue
Theuserdetermineswhentohistorizetheinformation.
WhyisthePIModuleDatabaseUnique?HistorizationversusRevisions
WhyisthePIModuleDatabaseUnique?HistorizationversusRevisions
Howwouldyouhandleasituationlikethisinthepast?
Forgetabouttheolderdata?
Writecodetoassociatethepastdatatothenewdata?
ThePIModuleDatabaseallowsyoutodynamicallymakeanassociationtoallrelateddata,regardlessofchangesthatoccur.
PracticaluseofHistorizingaModule
AnApplicationthatUseModuleHistory
PracticalApplications
The“OldWay”ofVisualizingPIData
CreatePItagsforeachsite
DevelopmultiplePIProcessBooksrepresentingeachDivision
TabsineachPIProcessBooktorepresentdifferentlocations
BuildindividualPIProcessBookdisplaysforeacharea,and/orequipmentclass
Result:
Clientbasedviews
ManyPIProcessBooks
Manyindividualdisplays
......
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