Search

7 result(s) for DiscreteItemType

• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.3.1 General
  exist. 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
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.1 General
  model 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
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.3.2 TwoStateDiscreteType
  characteristics 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
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.3.3 MultiStateDiscreteType
  DiscreteItem 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
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.3.4 MultiStateValueDiscreteType
  gaps) 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
• OPC-30020 – MDIS OPC UA Companion Specification
  10.5.2 Object Collection, Aggregation and Extension Definition
  VariableTypes and ObjectTypes shall be used: Standard MDIS Objects defined in section 6 . BaseDataVariableType DiscreteItemType (Variable) AnalogItemType (Variable) Table 120 - Aggregation and Extension Decision Matrix Description Aggregation Extension Require ... newly created subtype of an MDIS ObjectType . Yes Add an instance of a DiscreteItemType to the newly created subtype of an MDIS ObjectType . Yes Change ModellingRule from Optional -> Mandatory
• OPC-30081 – OPC UA for Process Automation Devices - PA-DIM™
  8.17.2 Definition
  Definition The DiscreteSignalVariableType is a subtype of the DiscreteItemType defined in OPC 10000-8 and adds optionally ActualValue and SimulationValue components. It is formally defined in Table 264 . Table ... DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition Other Subtype of 0:DiscreteItemType defined in OPC 10000-8 , i.e. inheriting the InstanceDeclarations of that Node 0:HasComponent Variable ActualValue 0:BaseDataType