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

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OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts

2.1.24 NodeClass

NodeClass class of a Node in an AddressSpace Note 1 to entry: NodeClasses define the metadata for the components of the OPC UA object model. They also define constructs, such
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

12.2.5.2 NodeClass

NodeClass The representation in the AddressSpace of the NodeClass DataType is defined in Table 167 . Table 167 - NodeClass definition Attributes Value BrowseName NodeClass IsAbstract FALSE References NodeClass BrowseName DataType TypeDefinition
OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts

4.4.2 Integrated AddressSpace model

AddressSpace . OPC 10000-3 defines the OPC UA NodeClasses . The Base NodeClass defines Attributes common to all Node s, allowing identification, classification, and naming. Each NodeClass inherits these Attributes
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

3.3.1 Conventions for AddressSpace figures

When two lines are used, the first text line in the rectangle identifies the NodeClass and the second line contains the BrowseName . When one line is used, it contains
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

3.3.2 Conventions for defining NodeClasses

Table 1 describes the format of the tables used to define NodeClasses . Table 1 - NodeClass Table Conventions Name Use Data Type Description Attributes "Attribute name ... used Describes the use of the Reference by the NodeClass Standard Properties "Property name" "M" or "O" Data type of the Property Defines
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.3 Object Model

model are represented in the AddressSpace as Nodes . Each Node is assigned to a NodeClass and each NodeClass represents a different element of the Object Model. Clause 4.10 defines
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.4.3 Attributes

Attributes are elementary components of NodeClasses . Attribute definitions are included as part of the NodeClass definitions in Clause 4.10 and, therefore, are not included in the AddressSpace . Each Attribute definition ... data type and a mandatory/optional indicator. The set of Attributes defined for each NodeClass shall not be extended by Clients or Servers . When a Node is instantiated in the AddressSpace
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.4.4 References

Nodes . ReferenceType Nodes are visible in the AddressSpace and are defined using the ReferenceType NodeClass (see 5.3 ). The Node that contains the Reference is referred to as the SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.5.2 Properties

purchase order. Attributes define additional metadata that is instantiated for all Nodes from a NodeClass . Attributes are common to all Nodes of a NodeClass and only defined by this specification
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.7.2 EventTypes

EventTypes are represented as ObjectTypes in the AddressSpace and do not have a special NodeClass associated to them. OPC 10000-5 defines how a Server exposes the EventTypes in detail
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.10.2 Interface Model

shall not use the same BrowsePath for a different Node (e.g. with a different NodeClass ). If the rules cannot be fulfilled (e.g. name collisions) the ObjectType cannot apply the Interface
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.1 Overview

define Nodes in the OPC UA AddressSpace . NodeClasses are derived from a common Base NodeClass . This NodeClass is defined first, followed by those used to organise the AddressSpace and then
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.2.1 General

General The OPC UA Address Space Model defines a Base NodeClass from which all other NodeClasses are derived. The derived NodeClasses represent the various components of the OPC UA Object ... Model (see 4.2 ). The Attributes of the Base NodeClass are specified in Table 7 . There are no References specified for the Base NodeClass . Table 7 - Base NodeClass Name Use Data
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.2.3 NodeClass

NodeClass The NodeClass Attribute identifies the NodeClass of a Node . Its data type is defined
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.3.1 General

Nodes . ReferenceType Nodes are visible in the AddressSpace and are defined using the ReferenceType NodeClass as specified in Table 9 . In contrast, a Reference is an inherent part ... Node and no NodeClass is used to represent References . This standard defines a set of ReferenceTypes provided as an inherent part of the OPC UA Address Space Model. These ReferenceTypes
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.3.2 Attributes

Attributes The ReferenceType NodeClass inherits the base Attributes from the Base NodeClass defined in 5.2 . The inherited BrowseName Attribute is used to specify the meaning of the ReferenceType as seen
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.4 View NodeClass

View NodeClass Underlying systems are often large and Clients often have an interest in only a specific subset of the data. They do not need, or want, to be burdened ... root for the Nodes in the View . Views are defined using the View NodeClass , which is specified in Table 10 . All Nodes contained in a View shall be accessible starting
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.5.1 Object NodeClass

Object NodeClass Objects are used to represent systems, system components, real-world objects and software objects. Objects are defined using the Object NodeClass , specified in Table 11 . Table 11 - Object ... NodeClass Name Use Data Type Description Attributes Base NodeClass Attributes M -- Inherited from the Base NodeClass . See 5.2 . EventNotifier M EventNotifierType The EventNotifier Attribute is used to indicate
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.5.3 Standard ObjectType FolderType

View or an Object of the ObjectType FolderType ; the TargetNode can be of any NodeClass . Organizes References can be used in any combination with HasChild References ( HasComponent , HasProperty
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.1 General

have different constraints described in the remainder of 5.6 they use the same NodeClass described in 5.6.2 . The constraints of Properties based on this NodeClass are defined
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.2 Variable NodeClass

Variable NodeClass Variables are used to represent values which may be simple or complex. Variables are defined by VariableTypes , as specified in 5.6.5 . Variables are always defined as Properties ... related to any number of other Nodes . Variables are defined using the Variable NodeClass , specified in Table 13 . Table 13 - Variable NodeClass Name Use Data Type Description Attributes Base NodeClass
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.5 VariableType NodeClass

VariableType NodeClass VariableTypes are used to provide type definitions for Variables . VariableTypes are defined using the VariableType NodeClass , as specified in Table 14 . Table 14 - VariableType NodeClass Name Use Data ... Type Description Attributes Base NodeClass Attributes M -- Inherited from the Base NodeClass . See 5.2 Value O Defined by the DataType attribute The default Value for instances of this type. DataType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.7.1 Method NodeClass

Method NodeClass Methods define callable functions. Methods are invoked using the Call Service defined in OPC 10000-4 . Method invocations are not represented in the AddressSpace . Method invocations always ... completion and always return responses when complete. Methods are defined using the Method NodeClass , specified in Table 15 . Table 15 - Method NodeClass Name Use Data Type Description Attributes Base NodeClass
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.7.2 HasArgumentDescription ReferenceType

extends the semantic of the HasComponent ReferenceType to reference argument Metadata of a Method NodeClass . The SourceNode of this ReferenceType shall be a Method and the TargetNode of this ReferenceType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.1 DataType Model

VariableType is pointing with its DataType Attribute to a Node of the DataType NodeClass as shown in Figure 17 . Figure 17 - Variables, VariableTypes and their DataTypes In many cases
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.2 Encoding Rules for different kinds of DataTypes

representation. An example of an enumeration DataType containing a sparse list of Integers is NodeClass which is defined in 8.29 . An OptionSet can be defined in one of two ways
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.3 DataType NodeClass

DataType NodeClass The DataType NodeClass describes the syntax of a Variable Value . DataTypes are defined using the DataType NodeClass , as specified in Table 16 . Table 16 - DataType NodeClass Name ... Data Type Description Attributes Base NodeClass Attributes M -- Inherited from the Base NodeClass . See 5.2 . IsAbstract M Boolean A boolean Attribute with the following values: TRUE it is an abstract
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.2.4 Similar Node of InstanceDeclaration

similar Node of an InstanceDeclaration is a Node that has the same BrowseName and NodeClass as the InstanceDeclaration and in cases of Variables and Objects the same TypeDefinitionNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.2.7 Attribute Handling of InstanceDeclarations

Attributes of InstanceDeclarations when the InstanceDeclaration is overridden or instantiated. The BrowseName and the NodeClass shall never change and always be the same as the original InstanceDeclaration . In addition ... rules defined in 6.2.8 apply for InstanceDeclarations of the NodeClass Variable
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.3.1 Overview

ReferenceType defines subtypes of types. Subtyping can only occur between Nodes of the same NodeClass . Rules for subtyping ReferenceTypes are described in 5.3.3.3 . There is no common definition for subtyping
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.3.3.3 Overriding InstanceDeclarations

specifying an InstanceDeclaration with the same BrowsePath . An overridden InstanceDeclaration shall have the same NodeClass and BrowseName . The TypeDefinitionNode of the overridden InstanceDeclaration shall be the same or a subtype ... change the target of the Reference but the new target shall have the same NodeClass and for Objects and Variables also the same type or a subtype of the type
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.1 Overview

Node has an InstanceDeclaration then it shall have the same BrowseName and NodeClass as the InstanceDeclaration and, in cases of Variables and Objects , the same TypeDefinitionNode or a subtype
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.2 Creating an Instance

common with the TypeDefinitionNode from which they are instantiated, with the exceptions of the NodeClass and NodeId . When a Server creates an instance of a TypeDefinitionNode it shall create ... child Node s. If a child Node exists then the BrowseName and NodeClass shall match the InstanceDeclaration . In the case of Objects or Variables, also the TypeDefinitionNode shall either match
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.4.4.3 ExposesItsArray

Variable in the AddressSpace . The ExposesItsArray ModellingRule can only be applied on InstanceDeclarations of NodeClass Variable that are part of a VariableType having a single- or multidimensional array
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.8 HasProperty ReferenceType

Properties are described in 4.5.2 . The SourceNode of this ReferenceType can be of any NodeClass . The TargetNode shall be a Variable . By using the HasProperty Reference , the Variable is defined
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.10 HasSubtype ReferenceType

VariableType , a DataType or a ReferenceType and the TargetNode shall be of the same NodeClass as the SourceNode . Each ReferenceType shall be the TargetNode of at most one Reference
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.11 Organizes ReferenceType

subtypes (see 5.5.3 ). The TargetNode of this ReferenceType can be of any NodeClass
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.17 HasEventSource

Event Subscriptions. The TargetNode of this ReferenceType can be a Node of any NodeClass that can generate event notifications via a subscription to the reference source. Starting from Node
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.21 IsDeprecated ReferenceType

information model. The SourceNode of this ReferenceType shall be a Node of any NodeClass . The TargetNode shall be an Object which represents the information model version where the Node
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.14 Enumeration

Enumeration This abstract DataType is the base DataType for all enumeration DataTypes like NodeClass defined in 8.29 . All DataTypes inheriting from this DataType have special handling for the encoding
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.29 NodeClass

NodeClass This DataType is an enumeration that identifies a NodeClass . Its values are defined in Table 30 . Table 30 - NodeClass Values Name Value Description Unspecified 0 No value is specified
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

C.2.2 Simple notation

C.2.2 Simple notation Depending on their NodeClass Nodes are represented by different graphical forms as defined in Table C.1 . Table C.1 - Notation of Nodes depending on the NodeClass NodeClass Graphical ... solution can also be used. Table C.2 - Simple Notation of Nodes depending on the NodeClass ReferenceType Graphical Representation Comment Any symmetric ReferenceType Symmetric ReferenceTypes are represented as lines between Nodes
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.8.2.2 Parameters

description of ReferenceType NodeIds . browseName QualifiedName The browse name of the Node to add. nodeClass NodeClass NodeClass of the Node to add. nodeAttributes Extensible Parameter NodeAttributes The Attributes that ... specific to the NodeClass . The NodeAttributes parameter type is an extensible parameter type specified in 7.24 . A Client is allowed to omit values for some or all Attributes
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.8.3.1 Description

used to add one or more References to one or more Nodes . The NodeClass is an input parameter that is used to validate that the Reference to be added matches ... NodeClass of the TargetNode . This parameter is not validated if the Reference refers to a TargetNode in a remote Server . In certain cases, adding new References to the AddressSpace shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.8.3.2 Parameters

SourceNode . The targetNodeClass of each Reference in the list shall match the NodeClass of the TargetNode . This structure is defined in-line with the following indented items. sourceNodeId NodeId NodeId ... TargetNode is a local Node the nodeId shall contain the namespace index. targetNodeClass NodeClass NodeClass of the TargetNode . The Client shall specify this since the TargetNode might not be accessible
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.9.2.2 Parameters

with the selected NodeClasses are returned. The NodeClasses are assigned the following bits: Bit NodeClass 0 Object 1 Variable 2 Method 3 ObjectType 4 VariableType 5 ReferenceType 6 DataType ... View If set to zero, then all NodeClasses are returned. If the NodeClass is unknown for a remote Node , the nodeClassMask is ignored. resultMask UInt32 Specifies the fields
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.7.3 FilterOperator

operand that resolves to a NodeId or ExpandedNodeId where the Node is of the NodeClass DataType . If there is any error in conversion or in any of the parameters then
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.7.4.5 SimpleAttributeOperand

HierarchicalReferences ReferenceType . All Nodes followed by the browsePath shall be of the NodeClass Object or Variable . If this list is empty the Node is the instance of the TypeDefinition . attributeId
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.1 Overview

NodeAttributes is an extensible parameter whose structure depends on the type of the NodeClass being added. It identifies the NodeClass that defines the structure of the Attributes that follow ... Table 149 - NodeAttributes parameterTypeIds Symbolic Id Description ObjectAttributes Defines the Attributes for the Object NodeClass . VariableAttributes Defines the Attributes for the Variable NodeClass . MethodAttributes Defines the Attributes for the Method
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.3 VariableAttributes parameter

Table 152 - VariableAttributes Name Type Description VariableAttributes structure Defines the Attributes for the Variable NodeClass specifiedAttributes UInt32 A bit mask that indicates which fields contain valid values. A field shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.4 MethodAttributes parameter

Table 153 - MethodAttributes Name Type Description MethodAttributes structure Defines the Attributes for the Method NodeClass specifiedAttributes UInt32 A bit mask that indicates which fields contain valid values. A field shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.6 VariableTypeAttributes parameter

Table 155 - VariableTypeAttributes Name Type Description VariableTypeAttributes structure Defines the Attributes for the VariableType NodeClass specifiedAttributes UInt32 A bit mask that indicates which fields contain valid values. A field shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.10 GenericAttributes parameter

GenericAttributes parameter This structure should be used instead of the NodeClass specific structures defined in the other sub sections of 7.24 since it allows the handling of additional Attributes defined
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.29 ReferenceDescription

QualifiedName The BrowseName of the TargetNode . displayName LocalizedText The DisplayName of the TargetNode . nodeClass 1 NodeClass NodeClass of the TargetNode . typeDefinition 1 Expanded NodeId Type definition NodeId of the TargetNode ... ExpandedNodeId indicates that the TargetNode is a remote Node , then the browseName , nodeClass and typeDefinition may be null or empty. If they are not null or empty, they might
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

3.3 Conventions for Node descriptions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table, the Attributes ... NodeClasses cannot be defined in the same table; therefore only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

5.1 General

other LocaleIds is server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.3.3 Enumerations

numeric value associated with enumerated value. For example, the XML schema for the NodeClass enumeration is: <xs:simpleType name="NodeClass"> <xs:restriction base ... Int32 value. For example, any Variable could have a value with a DataType of NodeClass . In this case, the corresponding numeric value is placed in the Variant (e.g. NodeClass Object
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

F.3 UANode

defines the base set of Attributes and the References . There are subtypes for each NodeClass defined in OPC 10000-4 . Each of these subtypes defines XML elements and attributes ... Attributes specific to the NodeClass . The fields in the UANode type are defined in Table F.2 . Table F.2 - UANode Element Type Description NodeId NodeId A NodeId serialized as a String
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.3 HasEffectEnable

ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass . The representation of the HasEffectEnable ReferenceType in the AddressSpace is specified in Table 139 Table ... HasEffectEnable ReferenceType Attributes Value BrowseName HasEffectEnable InverseName MayBeEnabledBy Symmetric False IsAbstract False References NodeClass BrowseName Comment ConformanceUnits A & C Statemachine Trigger
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.4 HasEffectSuppressed

ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass . The representation of the HasEffectSuppressed ReferenceType in the AddressSpace is specified in Table 140 Table ... HasEffectSuppressed ReferenceType Attributes Value BrowseName HasEffectSuppressed InverseName MayBeSuppressedBy Symmetric False IsAbstract False References NodeClass BrowseName Comment ConformanceUnits A & C Statemachine Suppression Trigger
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.5 HasEffectUnsuppressed

ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass . The representation of the HasEffectUnsuppressed ReferenceType in the AddressSpace is specified in Table 141 . Table ... HasEffectUnsuppressed ReferenceType Attributes Value BrowseName HasEffectUnsuppressed InverseName MayBeUnsuppressedBy Symmetric False IsAbstract False References NodeClass BrowseName Comment ConformanceUnits A & C Statemachine Suppression Trigger
OPC-10000-10 – OPC Unified Architecture - Part 10: Programs

1 Scope

Events and associated behaviour and information for Programs . The complete AddressSpace model including all NodeClass es and Attributes is specified in OPC 10000-3 . The Services such as those used
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

1 Scope

associated with Historical Access (HA). It particularly includes additional and complementary descriptions of the NodeClass es and Attributes needed for Historical Access, additional standard Properties , and other information and behaviour ... complete AddressSpace Model including all NodeClass es and Attributes is specified in OPC 10000-3 . The predefined Information Model is defined in OPC 10000-5 . The Services to detect
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.14 HasCause

ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass . The representation of the HasCause ReferenceType in the AddressSpace is specified in Table 14 . Table ... HasCause ReferenceType Attributes Value BrowseName HasCause InverseName MayBeCausedBy Symmetric False IsAbstract False References NodeClass BrowseName Comment Conformance Units Base Info Finite State Machine Instance
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.15 HasEffect

ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass . If the TargetNode is an EventType , each time the Transition is triggered (either by a Client ... HasEffect ReferenceType Attributes Value BrowseName HasEffect InverseName MayBeEffectedBy Symmetric False IsAbstract False References NodeClass BrowseName Comment Conformance Units Base Info Finite State Machine Instance
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.8.2 Definition

real world. The SourceNode of References of this ReferenceType can be of any NodeClass . The TargetNode of References of this ReferenceType can be of any NodeClass . Both, SourceNode and TargetNode ... Table 7 - RepresentsSameEntityAs Definition Attributes Value BrowseName RepresentsSameEntityAs InverseName - Symmetric TRUE IsAbstract FALSE References NodeClass BrowseName Comment Subtype of NonHierarchicalReferences defined in OPC 10000-5 Conformance Units Base Info RepresentsSameEntityAs
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.9.2 Definition

same hardware. The SourceNode of References of this ReferenceType can be of any NodeClass . The TargetNode of References of this ReferenceType can be of any NodeClass . Both, SourceNode and TargetNode ... Table 8 - RepresentsSameHardwareAs Definition Attributes Value BrowseName RepresentsSameHardwareAs InverseName - Symmetric TRUE IsAbstract FALSE References NodeClass BrowseName Comment Subtype of RepresentsSameEntityAs defined in 4.8 Conformance Units Base Info RepresentsSameHardwareAs
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.10.2 Definition

same functionality. The SourceNode of References of this ReferenceType can be of any NodeClass . The TargetNode of References of this ReferenceType can be of any NodeClass . Both, SourceNode and TargetNode ... Table 9 - RepresentsSameFunctionalityAs Definition Attributes Value BrowseName RepresentsSameFunctionalityAs InverseName - Symmetric TRUE IsAbstract FALSE References NodeClass BrowseName Comment Subtype of RepresentsSameEntityAs defined in 4.8 Conformance Units Base Info RepresentsSameFunctionalityAs
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.4.1 HasReferenceDescription

refinement path)). The SourceNode of References of this type can be of any NodeClass . The TargetNode of this ReferenceType shall be a Variable of VariableType ReferenceDescriptionVariableType ... HasReferenceDescription Definition Attributes Value BrowseName HasReferenceDescription InverseName ReferenceDescriptionOf Symmetric FALSE IsAbstract FALSE References NodeClass BrowseName Comment Subtype of HasChild defined in OPC 10000-5 Conformance Units Base Info ReferenceDescription
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.3.3 VerifyAsset method

null, it shall be verified that NodeId exists. The Node may be of any NodeClass, but only the NodeClass of Variable or VariableType can have a non-null value. VerificationResult
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.4.3 Verify method

verify if the Node exists in the Server . The Node may be of any NodeClass, but only the NodeClass of Variable or VariableType can have a non-null value . VerificationResult
OPC-10000-83 – OPC Unified Architecture - Part 83: UAFX OfflineEngineering

A.2.4 SUC_OpcAmlMetaModel library

base class from which they all derive; they just all conform to the Method NodeClass . In AML, it is desirable to have a base SUC UaMethodNodeClass that represents ... Methods are instantiated. Since there is no Node that represents the Method NodeClass in a UA Namespace (because it is built-in to the UA meta-model), the SUC UaMethodNodeClass
OPC-10000-83 – OPC Unified Architecture - Part 83: UAFX OfflineEngineering

A.4 NodeClass mapping

NodeClass mapping The OPC UA metamodel uses the concept of NodeClasses to define sets of primitive attributes that are present on different types of nodes in the UA address space ... This NodeClass concept is not mapped directly in AutomationML . Instead, the relevant attributes are first introduced in the SystemUnitClass, where they would appear on an ObjectType or VariableType
OPC-10000-83 – OPC Unified Architecture - Part 83: UAFX OfflineEngineering

Agreement of Use

volatile memory Added AccessLevelEx to Table A.6. 9214 Clarification Table "Mapping UA Base NodeClass attributes to SUC UaMethodNodeClass, BaseObjectType ... attributes" is not updated Updated chapter A.4 with additions ... content of the OPC UA Base NodeClass and the NodeId attribute in Table A.4. 9231 Clarification Handling of nodeids for interfaceclasses of inverse referencetypes Added to the NodeId
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

3.3.1.1 Node definitions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

3.3.2.2 BrowseNames

BrowseNames defined in this document is defined in Annex A . For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

3.3.3.1 General

other LocaleIds are server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

3.3.1.1 Node definitions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

3.3.2.2 BrowseNames

BrowseNames defined in this document is defined in 16.2 . For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName are enclosed
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

3.3.3.1 General

other LocaleIds are server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

3.3.1.1 Node definitions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

3.3.2.2 BrowseNames

BrowseNames defined in this document is defined in 8.2 . For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName are enclosed
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

3.3.3.1 General

other LocaleIds is server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

3.3.1 Conventions for Node descriptions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

3.3.2.2 BrowseNames

BrowseNames defined in this document is defined in Annex A. For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

3.3.3.1 General

other LocaleIds are server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

3.4.1.1 Node definitions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

3.4.2.2 BrowseNames

BrowseNames defined in this document is defined in 10.2 . For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName are enclosed
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

3.4.3.1 General

other LocaleIds are server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined
OPC-10000-211 – OPC Unified Architecture - Part 211: Global Positioning

3.4.1.1 Node definitions

defined by providing the ReferenceType name, the BrowseName of the TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes ... NodeClasses cannot be defined in the same table; therefore, only the used ReferenceType , their NodeClass and their BrowseName are specified. A reference to another part of this document points
OPC-10000-211 – OPC Unified Architecture - Part 211: Global Positioning

3.4.2.2 BrowseNames

BrowseNames defined in this document is defined in 12.2 . For InstanceDeclarations of NodeClass Object and Variable that are placeholders ( OptionalPlaceholder and MandatoryPlaceholder ModellingRule ), the BrowseName and the DisplayName are enclosed
OPC-10000-211 – OPC Unified Architecture - Part 211: Global Positioning

3.4.3.1 General

other LocaleIds is server-specific. Description Optionally a server-specific description is provided. NodeClass Shall reflect the NodeClass of the Node. NodeId The NodeId is described by BrowseNames as defined