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5 result(s) for DiscreteItemType
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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access5.3.3.1 Generalexist. However, it can be used in a filter when browsing or querying. The DiscreteItemType derives from the DataItemType and therefore shares all of its characteristics. It is formally defined ... Table 8 . Table 8 - DiscreteItemType definition Attribute Value BrowseName DiscreteItemType IsAbstract True ValueRank -2 (-2 = 'Any') DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DataItemType defined
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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access5.1 Generalmodel by defining VariableTypes . The DataItemType is the base type. ArrayItemType , Base AnalogType and DiscreteItemType are specializations. See Figure 2 . Each of these VariableTypes can be further extended to form
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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access5.3.3.2 TwoStateDiscreteTypecharacteristics of a DiscreteItem that can have two states. The TwoStateDiscreteType derives from the DiscreteItemType . It is formally defined in Table 9 . Table 9 - TwoStateDiscreteType definition Attribute Value BrowseName TwoStateDiscreteType ... DataType Boolean References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DiscreteItemType defined in 5.3.3 ; i.e. the Properties of that type are inherited. HasProperty Variable TrueState LocalizedText PropertyType Mandatory HasProperty
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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access5.3.3.3 MultiStateDiscreteTypeDiscreteItem that can have more than two states. The MultiStateDiscreteType derives from the DiscreteItemType . It is formally defined in Table 10 . Table 10 - MultiStateDiscreteType definition Attribute Value BrowseName MultiStateDiscreteType IsAbstract ... DataType UInteger References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DiscreteItemType defined in 5.3.3 ; i.e. the Properties of that type are inherited. HasProperty Variable EnumStrings LocalizedText[] PropertyType Mandatory Conformance
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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access5.3.3.4 MultiStateValueDiscreteTypegaps) or where the enumeration is not zero-based. The MultiStateValueDiscreteType derives from the DiscreteItemType . It is formally defined in Table 11 . Table 11 - MultiStateValueDiscreteType definition Attribute Value BrowseName MultiStateValueDiscreteType ... DataType Number References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DiscreteItemType defined in 5.3.3 ; i.e. the Properties of that type are inherited. HasProperty Variable EnumValues EnumValueType[] PropertyType Mandatory HasProperty