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Scope: Core (OPC-10000-*) All specs

17 result(s) for Optional

OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.7.2 EventTypes

Subscription . Components of an EventType defined with ModellingRules other than Mandatory or Optional cannot be returned in an Event Subscription . EventTypes exist in the AddressSpace to allow Clients to discover
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.10.2 Interface Model

abstract subtypes of the BaseInterfaceType ObjectType . InstanceDeclarations on an Interface shall only have ModellingRules Optional or Mandatory . Interfaces can be subtyped as specified in clause 6.3. Interfaces shall ... ObjectType . The rules for instantiating InstanceDeclarations defined in 6.2.6 shall be applied. Each optional InstanceDeclaration of the fully-inherited InstanceDeclarationHierarchy of the Interface should have for each BrowsePath a similar
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.4.3 Instantiation Rules for Properties of ModellingRules

lower part of the Figure). A1 has become the NamingRule of Mandatory (changed from Optional
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.4.4.1 Mandatory

Standard ModellingRule Mandatory In 6.4.4.4.2 a complex example combining the Mandatory and Optional ModellingRules is given
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.4.4.2 Optional

Optional An InstanceDeclaration marked with the ModellingRule Optional means that for each existing BrowsePath on the instance a similar Node may exist, but it is not defined whether ... existing Node is referenced. In Figure 32 an example using the ModellingRules Optional and Mandatory is shown. The example contains an ObjectType Type_A and all valid combinations of instances
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.4.4.4 OptionalPlaceholder

subtype defines the InputArguments and OutputArguments . A subtype shall also change the ModellingRule to Optional or Mandatory . The Method is optional for instances. For example, a Device might have
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

7.29 BitFieldType

BrowseName shall be the same as the BitFieldDefinition name field's NamespaceIndex . Optional bit fields may be defined by using the Optional Modeling Rule for the child DataVariable which represents ... field. An application accessing a BitFieldType with an optional bit field should determine the presence of the optional bit field by checking the instance of that BitFieldType for the presence
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

8.4.3 Optional

Optional The ModellingRule Optional is defined in OPC 10000-3 . Its representation in the AddressSpace , the " Optional " Object, is formally defined in Table 115 . Table 115 - Optional definition ... Attribute Value BrowseName Optional References NodeClass BrowseName Comment HasTypeDefinition ObjectType ModellingRuleType Defined in 6.5 Conformance Units Base Info Base Types
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

3.3.1 Usage of Other column in type definitions

Other Characteristics Name Short Name Description Mandatory M The Node has the Mandatory ModellingRule . Optional O The Node has the Optional ModellingRule . MandatoryPlaceholder MP The Node has the MandatoryPlaceholder ModellingRule
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.2.2 Example single board computer model

type example The MyRaspberryPiType is a subtype of FxAssetType . It mandates some of the Optional iVendorNameplateType Properties (all items listed), and it omits other Optional Properties from the interfaces that
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

3.3.1.1 Node definitions

Type Definition table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "--" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Name Short Name Description 0:Mandatory M The Node has the Mandatory ModellingRule . 0:Optional O The Node has the Optional ModellingRule. 0:MandatoryPlaceholder MP The Node has the MandatoryPlaceholder
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.4.4.4 WriteTimeout

WriteTimeout Optional Property that informs the Client about the maximum duration of the call to the Write Method of FileType (maximum time the write of a block of data
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

3.3.1.1 Node definitions

Type Definition Table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "--" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Name Short Name Description 0:Mandatory M The Node has the Mandatory ModellingRule . 0:Optional O The Node has the Optional ModellingRule. 0:MandatoryPlaceholder MP The Node has the MandatoryPlaceholder
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

3.3.1.1 Node definitions

Type Definition Table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "--" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Name Short Name Description 0:Mandatory M The Node has the Mandatory ModellingRule . 0:Optional O The Node has the Optional ModellingRule. 0:MandatoryPlaceholder MP The Node has the MandatoryPlaceholder
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

3.3.1 Conventions for Node descriptions

Type Definition Table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "--" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Name Short Name Description 0:Mandatory M The Node has the Mandatory ModellingRule . 0:Optional O The Node has the Optional ModellingRule. 0:MandatoryPlaceholder MP The Node has the MandatoryPlaceholder
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

3.4.1.1 Node definitions

Type Definition Table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "-" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Node has the Mandatory ModellingRule . O O The Node has the Optional ModellingRule. MPlaceholder MP The Node has the MandatoryPlaceholder ModellingRule. OPlaceholder OP The Node has the OptionalPlaceholder ModellingRule. ReadOnly
OPC-10000-211 – OPC Unified Architecture - Part 211: Global Positioning

3.4.1.1 Node definitions

Type Definition Table Attribute Value Attribute name Attribute value. If it is an optional Attribute that is not set "--" is used. References NodeClass BrowseName DataType TypeDefinition Other ReferenceType ... Name Short Name Description 0:Mandatory M The Node has the Mandatory ModellingRule . 0:Optional O The Node has the Optional ModellingRule. 0:MandatoryPlaceholder MP The Node has the MandatoryPlaceholder