OPC UA信息模型最佳实践.pdf

1、June 19th-23rd,2023OPC Day InternationalDr.Wolfgang MahnkeSenior Consultant/Chair of OPC F Harmonization WGwolfgang.mahnkeunified-June 19th-23rd,2023OPC Day InternationalContent of this presentation is based on UA Modelling Best PracticeWhitepaper created in subgroup of Harmonization WGVersions Init

2、ial version 1.00 released 2020-07-21 Current version 1.01.00 released 2023-01-16Whitepaper can be downloaded from OPC F web page 2June 19th-23rd,2023OPC Day InternationalBasics of information modelling How to use OPC UA Modelling Concepts How to use existing Companion Specifications Naming Conventio

3、ns How to return application-specific statuses in Methods Rules for backward compatibility of Information Models How to model configuration changes affecting the AddressSpaceCompanion Specifications How to create a Companion Specification How to extend an existing Companion Specification How to defi

4、ne StatusCodes in Companion Specifications Handling NodeSet-Files for Dictionary References How to define Conformance Units and Profiles3Focus todayJune 19th-23rd,2023OPC Day International0:Objects2:DeviceSetMyDeviceMyMeasurement0:EngineeringUnitsCalibrate0:Objects2:DeviceSetMyDeviceMyDeviceType2:De

5、viceTypeMyMeasurement0:EngineeringUnitsMyMeasurement0:EngineeringUnitsCalibrateCalibrate0:Objects2:DeviceSetMyDeviceMyDeviceType0:AnalogUnitType0:EngineeringUnits2:DeviceTypeMyMeasurement0:EngineeringUnitsMyMeasurement0:EngineeringUnitsCalibrateCalibrate0:Objects2:DeviceSetMyDeviceMyDeviceType0:Anal

6、ogUnitType0:EngineeringUnits2:DeviceTypeMyMeasurement0:EngineeringUnitsMyMeasurement0:EngineeringUnitsCalibrateCalibrateCalibrationEventTypeGeneratesEvent4Objects organize AddressSpaceVariables contain ValuesMethods can be calledObjectTypes define semantic and structure of ObjectsInheritance of Type