Since the general description in OPC 10000-3about the semantic difference between Propertiesand DataVariablesare not applicable for the information provided about the Serverthe rules described in OPC 10000-3are used.

If simple data structures should be provided, Propertiesare used. Examples of Propertiesare the NamespaceArrayof the Server Objectand the MinSupportedSampleRateof the ServerCapabilities Object.

If complex data structures are used, DataVariablesare used. Examples of DataVariablesare the ServerStatusof the Server Objectand the ServerDiagnosticsSummaryof the ServerDiagnostics Object.