3 Terms, definitions and conventions ToC Previous Next

3.1 Terms and definitions ToC Previous Next

For the purposes of this document, the terms and definitions given in The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments and errata) applies.

OPC 10000-1, OPC 10000-3, and OPC 10000-4, as well as the following apply.

3.1.1 DataSetClass

template declaring the content of a DataSet

Note 1 to entry: A DataSetClass is used to type DataSets for use in several Publishers and for filtering in Subscribers.

3.1.2 DataSetMetaData

describes the content and semantic of a DataSet

3.1.3 DataSetReader

entity receiving DataSetMessages from a Message Oriented Middleware


entity creating DataSetMessages from DataSets and publishing them through a Message Oriented Middleware


configuration of application-data to be published as DataSet

Note 1 to entry: A PublishedDataSet can be a list of monitored Variables or an Event selection.

3.1.6 SecurityGroup

grouping of security settings and security keys used to access messages from a Publisher

Note 1 to entry: A SecurityGroup is an abstraction that represents the security settings and security keys that can be used to access messages from a Publisher. A SecurityGroup is identified with a unique identifier called the SecurityGroupId. The SecurityGroupId is unique within the Security Key Service.

3.1.7 SubscribedDataSet

configuration for dispatching of received DataSets

Note 1 to entry: A SubscribedDataSet can be a mapping of DataSet fields to Variables in the Subscriber AddressSpace.

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