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

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

3.1.14 SourceNode

SourceNode Node having a Reference to another Node EXAMPLE: In the Reference "A contains B", "A" is the SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

3.3.1 Conventions for AddressSpace figures

passing through them represent References . The arrow that passes through them begins at the SourceNode and points to the TargetNode . References may also be shown by drawing an arrow that
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

3.3.2 Conventions for defining NodeClasses

NodeClass table allows a ReferenceType for its NodeClass to be used as SourceNode , this is also true for subtypes of the ReferenceType . However, subtypes of the ReferenceType may restrict
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.4.4 References

NodeClass (see 5.3 ). The Node that contains the Reference is referred to as the SourceNode and the Node that is referenced is referred to as the TargetNode . The combination ... SourceNode , the ReferenceType and the TargetNode are used in OPC UA Services to uniquely identify References . Thus, each Node can reference another Node with the same ReferenceType only once
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.3.1 General

TRUE the meaning of the ReferenceType is the same as seen from both the SourceNode and the TargetNode. FALSE the meaning of the ReferenceType as seen from the TargetNode ... inverse of that as seen from the SourceNode . InverseName O LocalizedText The inverse name of the Reference , which is the meaning of the ReferenceType as seen from the TargetNode . References
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.3.2 Attributes

Attribute is used to specify the meaning of the ReferenceType as seen from the SourceNode . For example, the ReferenceType with the BrowseName "Contains" is used in References that ... specify that the SourceNode contains the TargetNode . The inherited DisplayName Attribute contains a translation of the BrowseName. The BrowseName of a ReferenceType shall be unique in a Server
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.3.3.1 General

HasProperty References are the only ReferenceTypes that may be used with ReferenceType Nodes as SourceNode . ReferenceType Nodes shall not be the SourceNode of other types of References
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.4 View NodeClass

this series of standards may define additional Properties for Views . Views can be the SourceNode of any hierarchical Reference . They shall not be the SourceNode of any NonHierarchical Reference
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.5.1 Object NodeClass

Object. Each Object shall have exactly one type definition and therefore be the SourceNode of exactly one HasTypeDefinition Reference pointing to an ObjectType . See 4.6 for a description of type
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.5.3 Standard ObjectType FolderType

AddressSpace . A special ReferenceType is introduced for those Folder Objects , the Organizes ReferenceType . The SourceNode of such a Reference should always be a View or an Object of the ObjectType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.2 Variable NodeClass

identify the Properties of a DataVariable . Properties are not allowed to be the SourceNode of HasProperty References. HasComponent 0..* HasComponent References are used by complex DataVariables to identify their composed ... Variable. Each Variable shall have exactly one type definition and therefore be the SourceNode of exactly one HasTypeDefinition Reference pointing to a VariableType . See 4.6 for a description of type
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.3 Properties

Properties are the leaf of any hierarchy; therefore they shall not be the SourceNode of any hierarchical References . This includes the HasComponent or HasProperty Reference , that is, Properties ... contain Properties and cannot expose their complex structure. However, they may be the SourceNode of any NonHierarchical References . The HasTypeDefinition Reference points to the VariableType of the Property . Since Properties
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.7.1 Method NodeClass

called. HasArgumentDescription 0..* The HasArgumentDescription References are used to specify argument metadata. If the SourceNode of this Reference is defined on an InstanceDeclaration the TargetNode shall use the Mandatory ModellingRule ... Method shall always be the TargetNode of at least one HasComponent Reference . The SourceNode of these HasComponent References shall be an Object or an ObjectType . If a Method is called
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.3 DataType NodeClass

References . Abstract, Built-in, Enumeration, and Simple DataTypes are not allowed to be the SourceNode of a HasEncoding Reference . Each concrete Structured DataType shall point to at least one DataTypeEncoding ... provide the inverse HasEncoding Reference to its DataType . An abstract DataType is not the SourceNode of a HasEncoding Reference . The DataTypeEncoding of an abstract DataType is provided by its concrete
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.5.3 Usage of DataTypeRefinements

Method Argument is a Structured DataType , this Variable can be used as SourceNode for the UsesDataTypeRefinement to further refine the Structured DataType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.6.2 SubtypeRestriction on fields of Structured DataTypes

Variable used to refine the field in a DataTypeRefinement can be the SourceNode of a UsesSubtypeRestriction, thereby limiting the subtypes that can be used in the field. In Figure
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.3.3.3 Overriding InstanceDeclarations

treated as new References unless the ReferenceType only allows a single Reference per SourceNode . If this situation exists the subtype can change the target of the Reference
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.4.2 Creating an Instance

InstanceDeclarations are used as the initial values. An instance shall not be a SourceNode of a hierarchical Reference that has the same BrowsePath as an InstanceDeclaration of its TypeDefinition which
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.3 HierarchicalReferences ReferenceType

Node "A", again. It is not permitted to have a Property as SourceNode of a Reference of any subtype of this abstract ReferenceType . It is not allowed that ... SourceNode and the TargetNode of a Reference of the ReferenceType HierarchicalReferences are the same, that is, it is not allowed to have self-references using HierarchicalReferences
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.6 Aggregates ReferenceType

HasChild . The semantic is to indicate a part (the TargetNode ) belongs to the SourceNode . It does not specify the ownership of the TargetNode . There are no constraints defined for this
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.7 HasComponent ReferenceType

TargetNode of a Reference of the HasComponent ReferenceType is a part of the SourceNode . This ReferenceType is used to relate Objects or ObjectTypes with their containing Objects , DataVariables , and Methods ... TargetNode of a Reference of the HasComponent ReferenceType is deleted when the SourceNode is deleted. The TargetNode of this ReferenceType shall be a Variable , an Object or a Method
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.8 HasProperty ReferenceType

identify the Properties of a Node . 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 ... Property . Since Properties shall not have Properties , a Property shall never be the SourceNode of a HasProperty Reference
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.10 HasSubtype ReferenceType

specified in 5.8.3 , and other subtype hierarchies are specified in Clause 6 . The SourceNode of References of this type shall be an ObjectType , a VariableType , a DataType or a ReferenceType ... TargetNode shall be of the same NodeClass as the SourceNode . Each ReferenceType shall be the TargetNode of at most one Reference of type HasSubtype
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.11 Organizes ReferenceType

multiple hierarchies independent of any hierarchy created with the non-looping Aggregates References . The SourceNode of References of this type shall be an Object , ObjectType or a View
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.12 HasModellingRule ReferenceType

Object , Variable or Method . The ModellingRule mechanisms are described in 6.4.4 . The SourceNode of this ReferenceType shall be an Object , Variable or Method . The TargetNode shall be an Object ... ObjectType "ModellingRule" or one of its subtypes. Each Node shall be the SourceNode of at most one HasModellingRule Reference
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.13 HasTypeDefinition ReferenceType

VariableType , respectively . The relationships between types and instances are described in 4.6 . The SourceNode of this ReferenceType shall be an Object or Variable . If the SourceNode is an Object , then ... TargetNode shall be an ObjectType ; if the SourceNode is a Variable , then the TargetNode shall be a VariableType . Each Variable and each Object shall be the SourceNode of exactly
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.14 HasEncoding ReferenceType

this ReferenceType is to reference DataTypeEncodings of a subtype of the Structure DataType . The SourceNode of References of this type shall be a subtype of the Structure DataType . The TargetNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.15 GeneratesEvent

ObjectTypes or VariableTypes may generate and Methods may generate on each Method call. The SourceNode of References of this type shall be an ObjectType , a VariableType or a Method InstanceDeclaration
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.16 AlwaysGeneratesEvent

identify the types of Events Methods have to generate on each Method call. The SourceNode of References of this type shall be a Method InstanceDeclaration . The TargetNode of this ReferenceType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.17 HasEventSource

such has implied HasEventSource References to every event source in a Server . The SourceNode of this ReferenceType shall be an Object or View that is a source of Event Subscriptions ... View that has its "SubscribeToEvents" bit set within the EventNotifier Attribute . The SourceNode may also be an ObjectType when referencing an InstanceDeclaration where an instance of the ObjectType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.18 HasNotifier

this type generates an Event , then this Event shall also be provided in the SourceNode of the Reference . An example of a possible organization of Event References is represented
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.19 HasInterface ReferenceType

semantic of this ReferenceType is to show the availability of the Interface on the SourceNode . The Interface concept is described in 4.10.2 . The SourceNode of this ReferenceType shall ... Object or ObjectType . Interfaces shall not be a SourceNode . The TargetNode shall be of a subtype of the BaseInterfaceType . One SourceNode can refer to multiple Interfaces
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.20 HasAddIn ReferenceType

source of this Reference . The AddIn concept is described in 4.10.3 . The SourceNode of this ReferenceType shall be an Object or ObjectType . The TargetNode shall be an Object . One SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.21 IsDeprecated ReferenceType

indicate that a Node has been deprecated from an information model. The SourceNode of this ReferenceType shall be a Node of any NodeClass . The TargetNode shall be an Object which
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.22.1 Overview

exposes its Structure fields or Array elements as Variables in the information model. The SourceNode of this ReferenceType shall be a VariableType or a Variable having a Structure DataType . When ... Value of the SourceNode is a scalar then the TargetNode shall be a Variable which represents a field of the Structure DataType. The BrowseName of a DataVariable which is exposed
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.23 AssociatedWith ReferenceType

semantic of this ReferenceType is to provide some generic association between two Objects . The SourceNode and TargetNode of References of this type shall be Objects
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.24 UsesDataTypeRefinement

restricting the usage of the Structured DataType and adding meta data. The SourceNode of References of this type shall be a Variable having a Structured DataType . The Variable shall ... Method Argument is a Structured DataType , this Variable can be used as SourceNode for the UsesDataTypeRefinement to further refine the Structured DataType . Each Node shall be the SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.25 HasFieldDescription

DataType , containing additional metadata, that may potentially restrict the usage of the field. The SourceNode of References of this type shall be an Object of DataTypeRefinementType or a subtype ... with the same BrowseName using the HasFieldDescription ReferenceType or a subtype from the same SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.28 UsesSubtypeRestriction

Object of SubtypeRestrictionType , restricting the usage of subtypes on values of the Variable . The SourceNode of References of this type shall be a Variable . The Variable shall not be used ... further described using Variables referenced with a HasArgumentDescription . This Variable can be used as SourceNode for the UsesSubtypeRestriction to further restrict the DataType . Each Node shall be the SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.29 AllowedSubtype

link from a SubtypeRestriction Object to a Variable defining one allowed subtype. The SourceNode of References of this type shall be an Object of SubtypeRestrictionType ... with the same BrowseName using the AllowedSubtype ReferenceType or a subtype from the same SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.30 HasDataTypeRefinement

DataTypeRefinement Object that defines the allowed refinements of instances of a DataType . The SourceNode of References of this type shall be a DataType . The TargetNode of this ReferenceType shall
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.55 PermissionType

Node identified by the EventTypeId field and on the Node identified by the SourceNode field. This Permission is only valid for EventType Nodes or SourceNodes . Call 12 The Client
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

B.3.6 Variable and VariableType

then the following constraints apply: The Variable shall not be the SourceNode of a HasProperty or any other HierarchicalReferences Reference. All Variables having "A" as the SourceNode
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

C.2.2 Simple notation

References shown on the left. The double closed arrows have to point to the SourceNode . HasEventSource The notation provides a shortcut for HasEventSource References shown on the left. The closed
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

C.2.3 Extended notation

allowed that a Node uses the shortcut and additionally is the SourceNode of a HasTypeDefinition . Figure C.2 - Example of using a TypeDefinition inside a Node To display Attributes
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.8.3.2 Parameters

RequestHeader definition). referencesToAdd [] AddReferences Item List of Reference instances to add to the SourceNode . The targetNodeClass of each Reference in the list shall match the NodeClass of the TargetNode . This
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.13.1.1 Overview

EventType that will be contained in the Event such as EventId , EventType , SourceNode , Time and Description . OPC 10000-3 describes the Event model and the base EventTypes . The Properties
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.5 Auditing for SecureChannel Service Set

subtypes of the AuditChannelEventType . See OPC 10000-5 for the detailed assignment of the SourceNode , the SourceName and additional parameters. For the failure cases the Message for Events of this
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.6 Auditing for Session Service Set

other cases. See OPC 10000-5 for the detailed assignment of the SourceNode , the SourceName and additional parameters. For the failure case the Message for Events of this type should
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.7 Auditing for NodeManagement Service Set

subtypes of it. See OPC 10000-5 for the detailed assignment of the SourceNode , the SourceName and additional parameters. For the failure case, the Message for Events of this type
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.8 Auditing for Attribute Service Set

historical delete. See OPC 10000-5 for the detailed assignment of the SourceNode , the SourceName and additional parameters. For the failure case the Message for Events of this type should ... subtype of it. See OPC 10000-5 for the detailed assignment of the SourceNode , SourceName and additional parameters. The Message for Events of this type should include a description
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.9 Auditing for Method Service Set

system may generate events. See OPC 10000-5 for the detailed assignment of the SourceNode , SourceName and additional parameters. For Clients that support auditing, accessing the Method Service Set shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.10 Auditing for View, Query, MonitoredItem and Subscription Service Set

failed Service invocations. See OPC 10000-5 for the detailed assignment of the SourceNode , the SourceName and additional parameters. For the failure case, the Message for Events of this type
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.3 AuditEventType

AuditEvent. SubTypes of AuditEventType may define the Node to assign to the SourceNode Property , if not defined the SourceNode Property shall be set to the Server Node . The SourceName Property
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.5 AuditChannelEventType

EventType inherits all Properties of the AuditSecurityEventType . Their semantic is defined in 6.4.4 . The SourceNode Property for Events of this type shall be assigned to the Server Object . The SourceName
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.7 AuditSessionEventType

defined in 6.4.4 . If the Event is generated by a TransferSubscriptions Service call, the SourceNode Property shall be assigned to the SessionDiagnostics Object that represents the session. The SourceName ... Events of this type shall be "Session/TransferSubscriptions". Otherwise, the SourceNode Property for Events of this type shall be assigned to the Server Object . The SourceName for Events
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.19 AuditNodeManagementEventType

defined in 6.4.3 . There are no additional Properties defined for this EventType . The SourceNode Property for Events of this type shall be assigned to the Server Object . The SourceName
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.24 AuditUpdateEventType

EventType inherits all Properties of the AuditEventType . Their semantic is defined in 6.4.3 . The SourceNode Property for Events of this type shall be assigned to the NodeId that was changed
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.25 AuditWriteUpdateEventType

Their semantic is defined in 6.4.24 . AttributeId identifies the Attribute that was written. The SourceNode Property identifies the Node that was written. IndexRange identifies the index range of the written
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.27 AuditUpdateMethodEventType

EventType inherits all Properties of the AuditEventType . Their semantic is defined in 6.4.3 . The SourceNode Property for Events of this type shall be assigned to the NodeId of the Object
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.30 SystemStatusChangeEventType

EventType inherits all Properties of the SystemEventType . Their semantic is defined in 6.4.28 . The SourceNode Property and the SourceName shall identify the system. The system can be the Server itself
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.31 BaseModelChangeEventType

defined in 6.4.2 . There are no additional Properties defined for this EventType . The SourceNode Property for Events of this type shall be the Node of the View that gives ... context of the changes. If the whole AddressSpace is the context, the SourceNode Property is set to the NodeId of the Server Object . The SourceName for Events of this type
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.33 SemanticChangeEventType

EventType inherits all Properties of the BaseEventType . Their semantic is defined in 6.4.2 . The SourceNode Property for Events of this type shall be the Node of the View that gives ... context of the changes. If the whole AddressSpace is the context, the SourceNode Property is set to the NodeId of the Server Object . The SourceName for Events of this type
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.34 EventQueueOverflowEventType

EventType inherits all Properties of the BaseEventType . Their semantic is defined in 6.4.2 . The SourceNode Property for Events of this type shall be assigned to the NodeId of the Server
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.35 ProgressEventType

EventType inherits all Properties of the BaseEventType . Their semantic is defined in 6.4.2 . The SourceNode Property for Events of this type shall be assigned to the NodeId of the Session
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.36 AuditClientEventType

EventType inherits all Properties of the AuditEventType . Their semantics are defined in 6.4.3 . The SourceNode Property for Events of this type shall be assigned to the NodeId of the Object ... that is related to the action. If no Object is related, then the SourceNode Property shall be the NodeId of the Server Object . ServerUri provides the URI of the Server
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

11.25 HasKeyValueDescription

TargetNode of this ReferenceType shall be a Variable representing a supported configuration property. The SourceNode of References of this type shall be a Variable with the DataType KeyValuePair . The representation
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

12.16 ModelChangeStructureDataType

Indicates a Reference has been added. The affected Node may be either a SourceNode or TargetNode . Note that an added bidirectional Reference is reflected by two changes one with ... affected Node being the SourceNode , and the second with the affected Node being the TargetNode . ReferenceDeleted 3 Indicates a Reference has been deleted. The affected Node may be either
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

6.5.1 HasEngineeringUnitDetails

EUInformation DataType to its more detailed AddressSpace representation Instance of the ServerUnitType ObjectType . The SourceNode of References of this type shall be a Variable with EUInformation DataType . The TargetNode
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

6.5.2 HasQuantity

link a Variable with EUInformation DataType to an Instance of the QuantityType ObjectType . The SourceNode of References of this type shall be a Variable with EUInformation DataType (typically the EngineeringUnits
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.2 HasTrueSubState ReferenceType

independent sub states. The representation in the AddressSpace is specified in Table 3 . The SourceNode of the Reference shall be an instance of a TwoStateVariableType and the TargetNode shall
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.3 HasFalseSubState ReferenceType

independent sub states. The representation in the AddressSpace is specified in Table 4 . The SourceNode of the Reference shall be an instance of a TwoStateVariableType and the TargetNode shall
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.4 HasAlarmSuppressionGroup ReferenceType

specified in Table 5 This ReferenceType binds an AlarmSuppressionGroup to an Alarm . The SourceNode of the Reference shall be an instance of an AlarmConditionType or sub type. The TargetNode shall
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.5 AlarmGroupMember ReferenceType

Alarm Group . The representation in the AddressSpace is specified in Table 6 The SourceNode of the Reference shall be an instance of an AlarmGroupType or sub type
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.6 AlarmSuppressionGroupMember ReferenceType

Alarm Group . The representation in the AddressSpace is specified in Table 7 The SourceNode of the Reference shall be an instance of an AlarmGroupType or sub type
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.5.2 ConditionType

ConditionType inherits all Properties of the BaseEventType . Their semantic is defined in 10000-5 . SourceNode Property identifies the ConditionSource . See 5.12 for more details. If the ConditionSource ... Node in the AddressSpace, the NodeId is set to NULL. The SourceNode Property is the Node, which the Condition is associated with, it may be the same as the InputNode
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.10.2 AuditConditionEventType

inherited Properties of the Condition will be used as defined. The inherited Property SourceNode shall be filled with the ConditionId . The SourceName shall be "Method/" and the name
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.12 HasCondition Reference type

Type definition of an Object or a Variable . In this case, the SourceNode of this ReferenceType shall be an ObjectType or VariableType Node or one of their InstanceDeclaration Nodes ... instance space when they are not available in Type definitions. In this case the SourceNode of this ReferenceType shall be an Object , Variable or Method Node . The TargetNode shall
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.2 HasEffectDisable

target is an Alarm instance then the given Alarm instance is disabled. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.3 HasEffectEnable

target is an Alarm instance then the given Alarm instance is enabled. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.4 HasEffectSuppressed

target is an Alarm instance then the given Alarm instance is suppressed. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

7.5 HasEffectUnsuppressed

longer suppressed. No errors are logged if the Alarm was not suppressed. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.8.2 AuditHistoryEventUpdateEventType

UpdateNode identifies the Attribute that was written on the SourceNode . The PerformInsertReplace enumeration reflects the parameter on the Service call. The Filter reflects the Event filter passed on the call
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.8.3 AuditHistoryValueUpdateEventType

UpdatedNode identifies the Attribute that was written on the SourceNode . The PerformInsertReplace enumeration reflects the parameter on the Service call. The NewValues identify the value that was written
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.9.4.2 Insert event functionality

provide the following Event fields: EventType, and Time . It is also recommended that the SourceNode and the SourceName fields are provided. If one of the required fields is not provided ... support archiving the specified EventType then the statusCode shall indicate Bad_TypeDefinitionInvalid . If the SourceNode is not a valid source for Events then the related operationResults entry shall indicate
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.3.2.4 FieldMetaData

NodeId of the source Variable can be included in the Properties with the key SourceNode and the Variable NodeId as value. The namespace of the NodeId shall be added
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

8.6.6 HasPushedSecurityGroup

that can be used directly. It is a subtype of the HierarchicalReferences ReferenceType . The SourceNode of References of this type shall be an Object of ObjectType PubSubKeyPushTargetType or an ObjectType
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.6 HasPubSubConnection

that can be used directly. It is a subtype of the HasComponent ReferenceType . The SourceNode of References of this type shall be the PublishSubscribe Object defined in 8.3.2 . The TargetNode
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.4.2.5 DataSetToWriter

that can be used directly. It is a subtype of the HierarchicalReferences ReferenceType . The SourceNode of References of this type shall be an Object of ObjectType PublishedDataSetType or an ObjectType
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.5.9 HasWriterGroup

that can be used directly. It is a subtype of the HasComponent ReferenceType . The SourceNode of References of this type shall be an instance of the PubSubConnectionType defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.5.10 HasReaderGroup

that can be used directly. It is a subtype of the HasComponent ReferenceType . The SourceNode of References of this type shall be an instance of the PubSubConnectionType defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.6.6 HasDataSetWriter

that can be used directly. It is a subtype of the HasComponent ReferenceType . The SourceNode of References of this type shall be an instance of the WriterGroupType defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.6.12 HasDataSetReader

that can be used directly. It is a subtype of the HasComponent ReferenceType . The SourceNode of References of this type shall be an instance of the ReaderGroupType defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.12.2 Supported configuration properties

related configuration properties Node with the HasKeyValueDescription ReferenceType defined in OPC 10000-5 . The SourceNode of References of this type shall be one of the following Nodes: ConfigurationProperties Property
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.13.1 PubSubStatusEventType

Properties of the SystemEventType . Their semantic is defined in OPC 10000-5 . The SourceNode is the NodeId of the PubSubConnectionType , PubSubGroupType , DataSetWriterType or DataSetReaderType Object associated with the Event ... SourceName is the BrowseName of the SourceNode . The ConnectionId Property is the NodeId of the PubSubConnectionType Object associated with the source of the status Event . The GroupId Property
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.12 FromState

point from a Transition to the starting State the Transition connects. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.13 ToState

point from a Transition to the ending State the Transition connects. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.14 HasCause

wide restart Method leading the state machine to go into its initial state. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.15 HasEffect

EventTypes as Effects . However, the ReferenceType is not restricted to point to EventTypes . The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.16 HasSubStateMachine

instance of a StateMachineType which represents the sub-states for the State . The SourceNode of this ReferenceType shall be an Object of the ObjectType StateType . The TargetNode shall ... subtypes. Each Object can be the TargetNode of at most one HasSubStateMachine Reference . The SourceNode (the state) and the TargetNode (the SubStateMachine ) shall belong to the same StateMachine . Therefore
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.17 TransitionEventType

State Machine Instance The TransitionEventType inherits the Properties of the BaseEventType . The inherited Property SourceNode shall be filled with the NodeId of the StateMachine instance where the Transition occurs
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.18 AuditUpdateStateEventType

Units Auditing UpdateStates The AuditUpdateStateEventType inherits the Properties of the AuditUpdateMethodEventType . The inherited Property SourceNode shall be filled with the NodeId of the StateMachine instance where the State changed
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.6.3 HasGuard

always be used (considered as if all Guards are "True"). The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.6.6 ElseGuardVariableType

means, that it shall only be referenced from Transitions having such a StateType as SourceNode . The ElseGuardVariableType shall only be used once for each State. That means, that each State ... shall at most have one Transition (referenced as SourceNode ) referencing an ElseGuardVariableType . The ElseGuardVariableType shall be the only Guard of a Transition . That means, if a Transition references an instance
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

8.2 AliasFor ReferenceType

Nodes might not have a reference back to instance of AliasNameType. The SourceNode of References of this type shall be an Object of type AliasNameType . The TargetNode of this ReferenceType
OPC-10000-19 – OPC Unified Architecture - Part 19: Dictionary Reference

6.1 HasDictionaryEntry ReferenceType

Reference to the dictionary entry for any Node is provided by HasDictionaryEntry . The SourceNode of this ReferenceType can be any Node . The TargetNode of this ReferenceType shall be an Object ... DictionaryEntryType or one of its subtypes. Each Node can be the SourceNode of multiple HasDictionaryEntry References pointing to multiple dictionary entry Objects . The HasDictionaryEntry ReferenceType is specified in Table
OPC-10000-22 – OPC Unified Architecture - Part 22: Base Network Model

5.6.1 UsesPriorityMappingTable ReferenceType

ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of this ReferenceType shall be an Object implementing the IIetfBaseNetworkInterfaceType or an Object of Type ... IetfBaseNetworkInterfaceType . Each Node shall be the SourceNode of at most one UsesPriorityMappingTable Reference . The TargetNode of this ReferenceType shall be an instance of PriorityMappingTableType . The UsesPriorityMappingTable ReferenceType is formally defined
OPC-10000-22 – OPC Unified Architecture - Part 22: Base Network Model

5.6.2 HasLowerLayerInterface ReferenceType

physical interfaces with the HasLowerLayerInterfaceReferenceType . Annex A contains examples for such hierarchical references. The SourceNode of this ReferenceType shall be an Object organized in the NetworkInterfaces folder. The TargetNode
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.2.2 Definition

show that the software is running in an environment, IsExecutingOn should be used. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a software component
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.3.2 Definition

ReferenceType shall only be used when the software component is currently executed / running. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a software component
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.4.2 Definition

relate the controlling component to the components controlled by the controlling component. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing the controlling component
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.5.2 Definition

other components that are needed by the component in order to work. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a component that utilizes
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.6.2 Definition

relate a component to other components it requires in order to work. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a component that requires ... this ReferenceType shall be an Object representing the required component used by the SourceNode . Requires References shall not lead to loops, that is, starting from Node
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.7.2 Definition

components that are physically connected, without one being a subcomponent of the other. The SourceNode of References of this type shall be an Object or ObjectType representing a piece
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.8.2 Definition

relate two Nodes that represent the same entity in the 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 shall represent the same entity in the real world. RepresentsSameEntityAs is formally defined in Table 7 . Table 7 - RepresentsSameEntityAs Definition
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.9.2 Definition

this ReferenceType is to relate two Nodes that represent the 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 shall represent the same entity in the real world. RepresentsSameHardwareAs is formally defined in Table 8 . Table 8 - RepresentsSameHardwareAs Definition
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.10.2 Definition

this ReferenceType is to relate two Nodes that represent the 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 shall represent the same functionality. RepresentsSameFunctionalityAs is formally defined in Table 9 . Table 9 - RepresentsSameFunctionalityAs Definition Attributes Value BrowseName RepresentsSameFunctionalityAs
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.11.2 Definition

Node to the hard- and software needed to provide the functionality. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing some functionality. The TargetNode
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.12.2 Definition

relate a hardware component to its subcomponent, which is also a hardware component. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a piece ... Object representing a piece of hardware that is a component of the SourceNode . HasPhysicalComponent is formally defined in Table 11 . Table 11 - HasPhysicalComponent Definition Attributes Value BrowseName HasPhysicalComponent InverseName PhysicalComponentOf
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.13.2 Definition

relate a hardware component to its subcomponent that is inside the component. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a piece of hardware ... Object representing a piece of hardware that is a component of the SourceNode . HasContainedComponent is formally defined in Table 12 . Table 12 - HasContainedComponent Definition Attributes Value BrowseName HasContainedComponent InverseName ContainedComponentOf
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

4.14.2 Definition

relate a hardware component to its subcomponent that is attached to the component. The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing a piece ... Object representing a piece of hardware that is a component of the SourceNode . HasAttachedComponent is formally defined in Table 13 . Table 13 - HasAttachedComponent Definition Attributes Value BrowseName HasAttachedComponent InverseName AttachedComponentOf
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.1 Overview

intentionally a simple construct, where the only information of a Reference is the SourceNode , the TargetNode , the ReferenceType and for asymmetric ReferenceTypes the direction (forward or inverse). Sometimes ... more information about the Reference . Such a Variable can be referenced from the SourceNode and / or the TargetNode of such a Reference . Potentially, it can also be referenced by other
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.3.1 ReferenceDescriptionVariableType

ReferenceDescriptionVariableType . Each entry in the array contains the ReferenceType , direction and TargetNode . The SourceNode of the first entry in the array is the SourceNode of the Value of the instance ... ReferenceDescriptionVariableType . The SourceNode of all other entries is the TargetNode of the previous entry. The TargetNode of the last entry shall be the TargetNode of the instance of ReferenceDescriptionVariableType
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.4.1 HasReferenceDescription

Node directly participating in the Reference that is described in the ReferenceDescription (as SourceNode or TargetNode ), or from a Node somehow related to the Reference that is described ... refinement of the Reference (being part of the refinement path)). The SourceNode of References of this type can be of any NodeClass . The TargetNode of this ReferenceType shall
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.5.2 ReferenceListEntryDataType

ReferenceListEntryDataType This structure contains the description of a Reference without SourceNode . It can be used to list a path of References without repeating the SourceNode , like in the ReferenceRefinement Property
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

3.1.1 SerializationStartNode

Node -tree containing the Serialization Scope . Note 1 to entry: The SerializationStartNode is the SourceNode of the HasSerializationEntity ReferenceType . Note 2 to entry: The SerializationStartNode can also be an ObjectType
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.9 IncludeStatus, IncludeSourceTimestamp, and IncludeDictionaryReference Properties

elements as there are HasDictionaryEntry References (see OPC 10000-19 ) with the Variable as SourceNode . The QualifiedName element shall contain the NodeId of the referenced DictionaryEntryType Object . If False
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.5 HasSerializationEntity ReferenceType

ReferenceType. The semantic of this ReferenceType is to reference the serialized data of the SourceNode of the Reference . The SourceNode of this ReferenceType shall be an Object , ObjectType, Variable
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

5.8 LogRecordMask DataType

Description EventType 0 Indicates if the EventType is returned in the LogRecords if available. SourceNode 1 Indicates if the SourceNode is returned in the LogRecords if available. SourceName 2 Indicates
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

6.2 LogRecord EventType Mapping

time associated with this event. EventType - as defined in BaseEventType in OPC 10000-5 SourceNode - identifies the Node that the Event originated from, as defined in BaseEventType ... Event , this might be a browse path to a variable under the SourceNode , if the LogRecord is related to the variable, or it might be as defined in BaseEventType
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

6.3 BaseLogEventType

Node related to the problem. This Node may be unrelated to the SourceNode . It may be null if no specific Node is related to the LogRecord . The ConditionClassId and ConditionClassName
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

6.4 LogOverflowEventType

Event indicates that the LogObject storage was exceeded before the MaxStorageDuration was reached. The SourceNode Property for Events of this type shall be set to the NodeId of the LogObject
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.5.2 ControlGroupType definition

from Error . A Controls Reference (see OPC 10000-23 ) shall be added with a SourceNode of the ConnectionEndpoint and the TargetNode of the ControlGroup . If the lock is assigned ... Client connection, the Controls Reference (see OPC 10000-23 ) shall have a SourceNode of the Object associated with the Client connection (see OPC 10000-100 ) and a TargetNode
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.5.5 ReassignControl method

Locks required by the ControlGroup in the ListToRestrict and ListToBlock . It shall reassign the SourceNode of the Controls Reference (see OPC 10000-23 ) to the controlling entity as defined
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.2 AuditUaFxEventType

Properties of the AuditEventType . Their semantics are defined in OPC 10000-5 . The SourceNode Property for Events of this type shall be assigned to the NodeId of the Object that ... related to the action; if no Object is related, then the SourceNode Property shall be the ObjectId of the Server Object . If AutomationComponentLog is supported, this AuditEvent shall set either
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.3 AuditConnectionCleanupEventType

cleaned up (see 6.6.2 ). This EventType inherits all Properties of the AuditUaFxEventType . The SourceNode for this Event shall be the FunctionalEntity that contained the RemovedEndpoint . RemovedEndpoint identifies the BrowseName
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.5 ConnectionConfigurationSetEventType

EventType inherits all Properties of the BaseEventType . For all Events of this type, the SourceNode (from BaseEventType ) shall be set to the NodeId of the ConnectionManager that is executing
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.9 EstablishConnectionErrorEventType

EventType inherits all Properties of the BaseLogEventType . The ConditionClassId shall be set to LogEntryConditionClassType . SourceNode shall be the NodeId of the ConnectionConfigurationSet that is being processed . SourceName shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.10 CloseConnectionErrrorEventType

EventType inherits all Properties of the BaseLogEventType . The ConditionClassId shall be set to LogEntryConditionClassType . SourceNode shall be the NodeId of the ConnectionConfigurationSet that the connection belonged to . SourceName shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.2 ConnectedTo ReferenceType

monitor is ConnectedTo the PC, or the PC is ConnectedTo the Monitor. The SourceNode of this ReferenceType shall be an instance of AssetConnectorType (or subtypes) or an Asset . The TargetNode
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.3 HasAutomationComponentConfiguration ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be a ConnectionConfigurationSet . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.4 HasBuiltInAsset ReferenceType

cannot be purchased separately, but the processor chip information is needed for maintenance. The SourceNode of References of this type shall be an Asset . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.5 HasAssetToVerify ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of AutomationComponentConfigurationType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.6 HasCapability ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of AutomationComponentCapabilitiesType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.7 HasCharacteristic ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of AutomationComponentConfigurationType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.8 HasCMCapability ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of ConnectionManagerCapabilitiesType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.9 HasCommunicationFlowConfiguration ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be a ConnectionConfigurationSet . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.10 HasConnectionConfiguration ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be a ConnectionConfigurationSet . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.11 HasConnectionEndpoint ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of ConnectionEndpointsFolderType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.12 HasControlGroup ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be a FunctionalEntity . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.13 HasInputGroup ReferenceType

subtype of HasComponent ReferenceType . It provides for the nesting of InputGroups . The SourceNode of this ReferenceType shall be an instance of InputsFolderType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.14 HasOutputGroup ReferenceType

subtype of HasComponent ReferenceType . It provides for the nesting of OutputGroups . The SourceNode of this ReferenceType shall be an instance of OutputsFolderType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.15 HasPart ReferenceType

located inside the PC and is accessible after removing the PC housing. The SourceNode of this ReferenceType shall be an Asset . The TargetNode of this ReferenceType shall be an Asset
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.16 HasServerAddress ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be a ConnectionConfigurationSet . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.17 HasSubFunctionalEntity ReferenceType

ReferenceType and can be used directly. It is a subtype of HasComponent ReferenceType . The SourceNode of this ReferenceType shall be an instance of FunctionalEntityType or a subtype
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.18 IsPartOfRedundantAssetSet ReferenceType

redundant set. It is illustrated in Figure 63 . Figure 63 - IsPartOfRedundantAssetSet Reference example The SourceNode of this ReferenceType shall be an Asset . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.19 ToAutomationComponentConfiguration ReferenceType

ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of this ReferenceType shall be an instance of ServerAddressType . The TargetNode of this ReferenceType shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.20 ToConnectionEndpointConfiguration ReferenceType

ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of References of this type shall be an instance of AutomationComponentConfigurationType . The TargetNode of this
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.21 ToDataSetReader ReferenceType

ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of References of this type shall be an instance of PubSubConnectionEndpointType or a subtype
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.22 ToDataSetWriter ReferenceType

ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of References of this type shall be an instance of PubSubConnectionEndpointType or a subtype
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.23 ToFlow ReferenceType

ToFlow ReferenceType is a concrete ReferenceType . It is a subtype of NonHierarchicalReferences ReferenceType . The SourceNode of this ReferenceType shall be an instance of ConnectionEndpointConfigurationType or a subtype
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.24 ToInboundFlow ReferenceType

ToInboundFlow ReferenceType is a concrete ReferenceType . It is a subtype of ToFlow ReferenceType . The SourceNode of this ReferenceType shall be an instance of ConnectionEndpointConfigurationType or a subtype
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

11.25 ToOutboundFlow ReferenceType

ToOutboundFlow ReferenceType is a concrete ReferenceType . It is a subtype of ToFlow ReferenceType . The SourceNode of this ReferenceType shall be an instance of ConnectionEndpointConfigurationType or a subtype
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.6.1 UpdateParent ReferenceType

used by an update client to find related components for compatibility checks (see 8.7.3 ). SourceNode and TargetNode of References of this type shall be objects that implement IVendorNameplateType . A server
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.6.2 CanUpdate ReferenceType

SoftwareUpdate AddIn . The target of this ReferenceType is the component that can be updated. SourceNode and TargetNode of References of this type shall be objects that implement IVendorNameplateType . Table
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

9.3 Asset specific information on health status

used as defined in OPC 10000-5 and OPC 10000-9 . The 0: SourceNode and 0: SourceName shall identify the asset. The 0: Severity should be used as defined
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.1.2 Contains ReferenceType

representing some type of location to Objects (like assets) located in that location. The SourceNode of References of this type shall be an Object representing a location. This Object should ... TargetNode of this ReferenceType shall be an Object contained in the location of the SourceNode . References of this ReferenceType shall always be exposed bidirectional, i.e. navigating from the location
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.3.3.3 HierarchicalContains ReferenceType

hierarchical location to Objects (like assets) located in that hierarchical location. The SourceNode of References of this type shall be an Object representing a location. This Object should be part ... TargetNode of this ReferenceType shall be an Object contained in the location of the SourceNode . References of this ReferenceType shall always be exposed bidirectional, i.e. navigating from the location
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.4.3.3 OperationalContains ReferenceType

representing an operational location to Objects (like assets) located in that operational location. The SourceNode of References of this type shall be an Object representing a location. This Object should ... TargetNode of this ReferenceType shall be an Object contained in the location of the SourceNode . References of this ReferenceType shall always be exposed bidirectional, i.e. navigating from the location
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

6.3.1 HasStatisticComponent

Variables to an Object or ObjectType managing statistical data, either directly or indirectly. The SourceNode of References of this type shall be an Object or ObjectType implementing the IStatisticsType Interface
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

7.6.1 HasReferenceMeasurementInstrument

instrument, like for example a calibration target using a reference measurement instrument. The SourceNode of References of this type can be any Node using a reference measurement instrument, like
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.1 MadeUpOf

This ReferenceType is used to describe a shared aggregation. The SourceNode contains the TargetNodes . The SourceNode of this ReferenceType shall be an Object of ISA95ObjectType or its subtype . The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.2 HasISA95ClassProperty

HasPropertyOf" and "may contain nested" relationships described in ISA-95. The SourceNode of this ReferenceType shall be a one of subtypes of ISA95ClassType . The TargetNode of this
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.3 HasISA95Property

compatible to the "HasPropertyOf" relationship described in ISA-95. The SourceNode of this ReferenceType shall be one of subtypes of ISA95ObjectType , or one of the subtypes of ISA95PropertyType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.4 HasISA95Attribute

ReferenceType defined in OPC 10000-5 This ReferenceType indicates an ownership of ISA95Attribute . The SourceNode of this ReferenceType shall be either a Node that is a subtype of ISA95ClassType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.5 HasCDTSupplemental

subtype of HasProperty to allow generic client to still access the properties. The SourceNode of this ReferenceType shall be a subtype of BaseDataType or BaseDataVariableType or one of its subtypes
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.6 LocatedIn

This ReferenceType indicates physical Location information for an asset. The SourceNode of this ReferenceType shall be a subtype of BaseDataType or BaseDataVariableType or one of its subtypes. The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.7 DefinedBy

This ReferenceType is used to describe a categorization of the SourceNode . The Object identified by the SourceNode has the same features as that defined by the Object specified by TargetNode ... SourceNode of this ReferenceType shall be an Object of ISA95ObjectType or its subtype. The TargetNode of this ReferenceType shall be an Object of ISA95ClassType or its subtype
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.8 TestedBy

used to describe an ISA-95 Test Specification that is associated with the SourceNode . The Object identified by SourceNode is tested by the ISA-95 Test Specification specified ... TargetNode . The SourceNode of this ReferenceType shall be an Object of ISA95PropertyType or its subtypes. The TargetNode of this ReferenceType shall be an Object of ISA95TestSpecification or its subtype
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.9 ImplementedBy

This ReferenceType is used to describe a relationship between ISA95Equipment and ISA95PhysicalAsset. The SourceNode of this ReferenceType shall be an Object of EquipmentType, PhysicalAssetType or its subtypes. The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.10 HasTestResult

used to describe the test results that are associated with an ISA95Property. The SourceNode of this ReferenceType shall be a Variable or VariableType of ISA95Property or its subtype The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.2.11 ResultsForSpecification

used to describe the test specification for which these test results apply. The SourceNode of this ReferenceType shall be a Variable of ISA95TestResultType or a subtype of it. The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.3.1 DefinedByPersonnelClass

DefinedBy defined in 9.2.7 . This ReferenceType is used to describe a categorization of the SourceNode . The Object identified by the SourceNode has the same features as that defined ... Object specified by TargetNode . The SourceNode of this ReferenceType shall be an Object of PersonType or its subtype. The TargetNode of this ReferenceType shall be an Object of PersonnelClassType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.3.2 TestedByQualificationTest

This ReferenceType is used to describe a qualification test that is associated with the SourceNode . The Object identified by the SourceNode is tested by the qualification test specification specified ... TargetNode . The SourceNode of this ReferenceType shall be an Object of PersonnelClassType, PersonType, PersonnelClassPropertyType, PersonPropertyType or its subtypes. The TargetNode of this ReferenceType shall be an Object of QualificationTestSpecificationType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.4.1 MadeUpOfEquipment

ReferenceType defined in 9.2.1 This ReferenceType is used to describe composition of equipment. The SourceNode contains the TargetNodes . The SourceNode of this ReferenceType shall be an Object of EquipmentType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.4.2 DefinedByEquipmentClass

DefinedBy defined in 9.2.7 . This ReferenceType is used to describe a categorization of the SourceNode . The Object identified by the SourceNode has the same features as that defined ... Object specified by TargetNode . The SourceNode of this ReferenceType shall be an Object of Equipment Type or its subtype. The TargetNode of this ReferenceType shall be an Object of Equipment
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.4.3 TestedByEquipmentTest

This ReferenceType is used to describe a qualification test that is associated with the SourceNode . The Object identified by the SourceNode is tested by the Equipment Capability Test Specification specified ... TargetNode . The SourceNode of this ReferenceType shall be an Object of EquipmentType, EquipmentClassType, EquipmentClassPropertyType, EquipmentPropertyType or its subtypes. The TargetNode of this ReferenceType shall be an Object of EquipmentCapabilityTestSpecificationType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.5.1 MadeUpOfPhysicalAsset

ReferenceType defined in 9.2.1 This ReferenceType is used to describe composition of equipment. The SourceNode contains the TargetNodes . The SourceNode of this ReferenceType shall be an Object of PhysicalAsset Type
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.5.2 DefinedByPhysicalAssetClass

DefinedBy defined in 9.2.7 . This ReferenceType is used to describe a categorization of the SourceNode . The Object identified by the SourceNode has the same features as that defined ... Object specified by TargetNode . The SourceNode of this ReferenceType shall be an Object of PhysicalAssetType or its subtype. The TargetNode of this ReferenceType shall be an Object of PhysicalAssetClassType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.5.3 TestedByPhysicalAssetTest

This ReferenceType is used to describe a qualification test that is associated with the SourceNode . The Object identified by the SourceNode is tested by the instance of the PhysicalAssetCapabilityTestSpecificationType specified ... TargetNode . The SourceNode of this ReferenceType shall be an Object of PhysicalAssetType, PhysicalAssetClassType, PhysicalAssetClassPropertyType, PhysicalAssetPropertyType or its subtypes. The TargetNode of this ReferenceType shall be an Object of PhysicalAssetCapabilityTestSpecificationType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.1 MadeUpOfMaterialSublot

ReferenceType defined in 9.2.1 This ReferenceType is used to describe composition of equipment. The SourceNode contains the TargetNodes . The SourceNode of this ReferenceType shall be an Object of PhysicalAsset Type
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.2 DefinedByMaterialClass

ReferenceType defined in 9.2.7 This ReferenceType is used to describe a categorization of the SourceNode . The Object identified by the SourceNode has the same features as that defined ... Object specified by TargetNode . The SourceNode of this ReferenceType shall be an Object of MaterialDefinitionType or its subtype. The TargetNode of this ReferenceType shall be an Object of MaterialClass
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.3 TestedByMaterialTest

ReferenceType is used to describe an instance of MaterialTestSpecificationType that is associated with the SourceNode . The Object identified by SourceNode is tested by the instance of a MaterialTestSpecificationType specified ... TargetNode . The SourceNode of this ReferenceType shall be an Object of MaterialClassType, MaterialDefinitionType, MaterialLotType, MaterialClassPropertyType, MaterialDefinitionPropertyType, MaterialLotPropertyType or its subtypes. The TargetNode of this ReferenceType shall be an Object
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.4 AssembledFrom

describe the assemblies that compose a material, where the assemblies are other material. The SourceNode of this ReferenceType shall be an Object of MaterialDefinitionType, MaterialClassType, MaterialLotType MaterialSublotType, MaterialClassPropertyType, MaterialDefinitionPropertyType
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.5 AssembledFromDefinition

assemblies that compose a material definition where the assemblies are other material classes. The SourceNode of this ReferenceType shall be an Object of MaterialDefinitionType, or MaterialDefinitionPropertyType and their subtypes
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.6 AssembledFromClass

assemblies that compose a material class where the assemblies are other material classes. The SourceNode of this ReferenceType shall be an Object of MaterialClassType, or MaterialClassPropertyType and their subtypes
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.7 AssembledFromLot

assemblies that compose a material lot where the assemblies are other material classes. The SourceNode of this ReferenceType shall be an Object of MaterialLotType and its subtypes. The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

9.6.8 AssembledFromSublot

assemblies that compose a material lot where the assemblies are other material classes. The SourceNode of this ReferenceType shall be an Object of MaterialSublotType and its subtypes. The TargetNode
OPC-10030 – OPC Unified Architecture - Common Object Model: ISA-95

Annex E xtensions

describe the Equipment that an ISA95HierarchyScope variable is to be associated with. The SourceNode of this ReferenceType shall be a Variable or VariableType of ISA95HierarchyScopeType or its subtype The TargetNode
OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3

8.2 HasInputVar

Ctrl Program Organization Unit declared with the key word VAR_INPUT. The SourceNode of References of this type shall be a subtype of CtrlProgramOrganizationUnitType or an instance