IEC 62541-3:2010
(Main)OPC unified architecture - Part 3: Address Space Model
OPC unified architecture - Part 3: Address Space Model
IEC 62541-3:2012 describes the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This Part is the OPC UA meta model on which OPC UA information models are based. This bilingual version (2012-10) corresponds to the monolingual English version, published in 2010-07.
Architecture unifiée OPC - Partie 3: Modèle de l'espace d'adressage
La CEI 62541-3:2012 décrit l'Espace d'Adressage (AddressSpace) de l'Architecture unifiée OPC (OPC UA) ainsi que les Objets correspondants. Il s'agit du métamodèle OPC UA sur lequel se fondent les modèles d'information OPC UA. La présente version bilingue (2012-10) correspond à la version anglaise monolingue publiée en 2010-07.
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IEC 62541-3
®
Edition 1.0 2010-07
INTERNATIONAL
STANDARD
OPC unified architecture –
Part 3: Address Space Model
IEC 62541-3:2010(E)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2010 IEC, Geneva, Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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---------------------- Page: 2 ----------------------
IEC 62541-3
®
Edition 1.0 2010-07
INTERNATIONAL
STANDARD
OPC unified architecture –
Part 3: Address Space Model
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XE
ICS 25.040.40; 35.100 ISBN 978-2-88912-081-9
® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 3 ----------------------
– 2 – 62541-3 © IEC:2010(E)
CONTENTS
FOREWORD.9
INTRODUCTION.11
1 Scope.12
2 Normative references .12
3 Terms, definitions, abbreviations and conventions.13
3.1 Terms and definitions .13
3.2 Abbreviations .14
3.3 Conventions .14
3.3.1 Conventions for AddressSpace figures .14
3.3.2 Conventions for defining NodeClasses .14
4 AddressSpace concepts .16
4.1 Overview .16
4.2 Object Model .16
4.3 Node Model.16
4.3.1 General .16
4.3.2 NodeClasses .17
4.3.3 Attributes.17
4.3.4 References.17
4.4 Variables.18
4.4.1 General .18
4.4.2 Properties.18
4.4.3 DataVariables.18
4.5 TypeDefinitionNodes .19
4.5.1 General .19
4.5.2 Complex TypeDefinitionNodes and their InstanceDeclarations.19
4.5.3 Subtyping .20
4.5.4 Instantiation of complex TypeDefinitionNodes.21
4.6 Event Model .22
4.6.1 General .22
4.6.2 EventTypes .22
4.6.3 Event Categorization .23
4.7 Methods .23
5 Standard NodeClasses .23
5.1 Overview .23
5.2 Base NodeClass.24
5.2.1 General .24
5.2.2 NodeId .24
5.2.3 NodeClass.24
5.2.4 BrowseName .24
5.2.5 DisplayName .25
5.2.6 Description .25
5.2.7 WriteMask .25
5.2.8 UserWriteMask .26
5.3 ReferenceType NodeClass .26
5.3.1 General .26
5.3.2 Attributes.27
---------------------- Page: 4 ----------------------
62541-3 © IEC:2010(E) – 3 –
5.3.3 References.28
5.4 View NodeClass .29
5.5 Objects.31
5.5.1 Object NodeClass.31
5.5.2 ObjectType NodeClass .33
5.5.3 Standard ObjectType FolderType .35
5.5.4 Client-side creation of Objects of an ObjectType .35
5.6 Variables.35
5.6.1 General .35
5.6.2 Variable NodeClass .35
5.6.3 Properties.39
5.6.4 DataVariable .40
5.6.5 VariableType NodeClass .40
5.6.6 Client-side creation of Variables of an VariableType.42
5.7 Method NodeClass .42
5.8 DataTypes.44
5.8.1 DataType Model .44
5.8.2 Encoding Rules for different kinds of DataTypes.46
5.8.3 DataType NodeClass.47
5.8.4 DataTypeDictionary, DataTypeDescription, DataTypeEncoding and
DataTypeSystem .48
5.9 Summary of Attributes of the NodeClasses.50
6 Type Model for ObjectTypes and VariableTypes .51
6.1 Overview .51
6.2 Definitions .51
6.2.1 InstanceDeclaration.51
6.2.2 Instances without ModellingRules.51
6.2.3 InstanceDeclarationHierarchy.51
6.2.4 Similar Node of InstanceDeclaration .52
6.2.5 BrowsePath .52
6.2.6 Attribute Handling of InstanceDeclarations .52
6.2.7 Attribute Handling of Variable and VariableTypes .52
6.3 Subtyping of ObjectTypes and VariableTypes.52
6.3.1 Overview .52
6.3.2 Attributes.52
6.3.3 InstanceDeclarations .53
6.4 Instances of ObjectTypes and VariableTypes .56
6.4.1 Overview .56
6.4.2 Creating an Instance .56
6.4.3 Constraints on an Instance .57
6.4.4 ModellingRules.58
6.5 Changing Type Definitions that are already used.64
6.6 ModelParent.64
7 Standard ReferenceTypes .65
7.1 General .65
7.2 References ReferenceType .66
7.3 HierarchicalReferences ReferenceType.66
7.4 NonHierarchicalReferences ReferenceType .67
7.5 HasChild ReferenceType.67
---------------------- Page: 5 ----------------------
– 4 – 62541-3 © IEC:2010(E)
7.6 Aggregates ReferenceType .67
7.7 HasComponent ReferenceType .67
7.8 HasProperty ReferenceType.68
7.9 HasOrderedComponent ReferenceType .68
7.10 HasSubtype ReferenceType .68
7.11 Organizes ReferenceType .68
7.12 HasModellingRule ReferenceType.69
7.13 HasModelParent ReferenceType .69
7.14 HasTypeDefinition ReferenceType .69
7.15 HasEncoding ReferenceType .69
7.16 HasDescription ReferenceType .70
7.17 GeneratesEvent .70
7.18 AlwaysGeneratesEvent .70
7.19 HasEventSource .70
7.20 HasNotifier .71
8 Standard DataTypes.72
8.1 General .72
8.2 NodeId .72
8.2.1 General .72
8.2.2 NamespaceIndex.72
8.2.3 IdentifierType .73
8.2.4 Identifier value.73
8.3 QualifiedName .74
8.4 LocaleId .74
8.5 LocalizedText.74
8.6 Argument .75
8.7 BaseDataType.75
8.8 Boolean.75
8.9 Byte .75
8.10 ByteString .75
8.11 DateTime .76
8.12 Double .76
8.13 Duration .76
8.14 Enumeration.76
8.15 Float.76
8.16 Guid .76
8.17 SByte .76
8.18 IdType.76
8.19 Image.76
8.20 ImageBMP .76
8.21 ImageGIF .76
8.22 ImageJPG .76
8.23 ImagePNG .77
8.24 Integer .77
8.25 Int16.77
8.26 Int32.77
8.27 Int64.77
8.28 TimeZoneDataType .77
8.29 NamingRuleType.77
---------------------- Page: 6 ----------------------
62541-3 © IEC:2010(E) – 5 –
8.30 NodeClass .77
8.31 Number .78
8.32 String .78
8.33 Structure .78
8.34 UInteger .78
8.35 UInt16 .78
8.36 UInt32 .78
8.37 UInt64 .78
8.38 UtcTime .78
8.39 XmlElement.78
9 Standard EventTypes .79
9.1 General .79
9.2 BaseEventType .80
9.3 SystemEventType .80
9.4 AuditEventType .80
9.5 AuditSecurityEventType .81
9.6 AuditChannelEventType .82
9.7 AuditOpenSecureChannelEventType.82
9.8 AuditSessionEventType.82
9.9 AuditCreateSessionEventType .82
9.10 AuditUrlMismatchEventType.82
9.11 AuditActivateSessionEventType .82
9.12 AuditCancelEventType .82
9.13 AuditCertificateEventType .82
9.14 AuditCertificateDataMismatchEventType .82
9.15 AuditCertificateExpiredEventType .82
9.16 AuditCertificateInvalidEventType .83
9.17 AuditCertificateUntrustedEventType .83
9.18 AuditCertificateRevokedEventType.83
9.19 AuditCertificateMismatchEventType .83
9.20 AuditNodeManagementEventType.83
9.21 AuditAddNodesEventType .83
9.22 AuditDeleteNodesEventType .83
9.23 AuditAddReferencesEventType .83
9.24 AuditDeleteReferencesEventType .83
9.25 AuditUpdateEventType.83
9.26 AuditWriteUpdateEventType.83
9.27 AuditHistoryUpdateEventType .84
9.28 AuditUpdateMethodEventType .84
9.29 DeviceFailureEventType.84
9.30 ModelChangeEvents .84
9.30.1 General .84
9.30.2 NodeVersion Property .84
9.30.3 Views .84
9.30.4 Event Compression .84
9.30.5 BaseModelChangeEventType.85
9.30.6 GeneralModelChangeEventType .85
9.30.7 Guidelines for ModelChangeEvents .85
9.31 SemanticChangeEventType .85
---------------------- Page: 7 ----------------------
– 6 – 62541-3 © IEC:2010(E)
9.31.1 General .85
9.31.2 ViewVersion and NodeVersion Properties.85
9.31.3 Views .86
9.31.4 Event Compression .86
Annex A (informative) How to use the Address Space Model .87
Annex B (informative) OPC UA Meta Model in UML .90
Annex C (normative) OPC Binary Type Description System .100
Annex D (normative) Graphical Notation .112
Bibliography.117
Figure 1 – AddressSpace Node diagrams .14
Figure 2 – OPC UA Object Model.16
Figure 3 – AddressSpace Node Model .17
Figure 4 – Reference Model.18
Figure 5 – Example of a Variable Defined by a VariableType .19
Figure 6 – Example of a Complex TypeDefinition .20
Figure 7 – Object and its Components defined by an ObjectType.21
Figure 8 – Symmetric and Non-Symmetric References.28
Figure 9 – Variables, VariableTypes and their DataTypes .44
Figure 10 – DataType Model.45
Figure 11 – Example of DataType Modelling .50
Figure 12 – Subtyping TypeDefinitionNodes.53
Figure 13 – The Fully-Inherited InstanceDeclarationHierarchy for BetaType .55
Figure 14 – An Instance and its TypeDefinitionNode .56
Figure 15 – Example for several References between InstanceDeclarations .58
Figure 16 – Example on changing instances based on InstanceDeclarations .60
Figure 17 – Example on changing InstanceDeclarations based on an
InstanceDeclaration .61
Figure 18 – Use of the Standard ModellingRule New .62
Figure 19 – Example using the Standard ModellingRules Optional and Mandatory.63
Figure 20 – Example on using ExposesItsArray .64
Figure 21 – Complex example on using ExposesItsArray .64
Figure 22 – Example on ModelParents.65
Figure 23 – Standard ReferenceType Hierarchy.66
Figure 24 – Event Reference Example .71
Figure 25 – Complex Event Reference Example .
...
IEC 62541-3
®
Edition 1.0 2010-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC unified architecture –
Part 3: Address Space Model
Architecture unifiée OPC –
Partie 3: Modèle de l'espace d'adressage
IEC 62541-3:2010
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2010 IEC, Geneva, Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester.
If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,
please contact the address below or your local IEC member National Committee for further information.
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International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
Useful links:
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---------------------- Page: 2 ----------------------
IEC 62541-3
®
Edition 1.0 2010-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC unified architecture –
Part 3: Address Space Model
Architecture unifiée OPC –
Partie 3: Modèle de l'espace d'adressage
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XE
ICS 25.040.40; 35.100 ISBN 978-2-83220-310-1
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 62541-3 IEC:2010
CONTENTS
FOREWORD . 9
INTRODUCTION . 11
1 Scope . 12
2 Normative references . 12
3 Terms, definitions, abbreviations and conventions . 13
3.1 Terms and definitions . 13
3.2 Abbreviations . 14
3.3 Conventions . 14
3.3.1 Conventions for AddressSpace figures . 14
3.3.2 Conventions for defining NodeClasses . 14
4 AddressSpace concepts . 16
4.1 Overview . 16
4.2 Object Model . 16
4.3 Node Model . 16
4.3.1 General . 16
4.3.2 NodeClasses . 17
4.3.3 Attributes . 17
4.3.4 References . 17
4.4 Variables . 18
4.4.1 General . 18
4.4.2 Properties . 18
4.4.3 DataVariables . 18
4.5 TypeDefinitionNodes . 19
4.5.1 General . 19
4.5.2 Complex TypeDefinitionNodes and their InstanceDeclarations . 19
4.5.3 Subtyping . 20
4.5.4 Instantiation of complex TypeDefinitionNodes . 21
4.6 Event Model . 22
4.6.1 General . 22
4.6.2 EventTypes . 22
4.6.3 Event Categorization . 23
4.7 Methods . 23
5 Standard NodeClasses . 23
5.1 Overview . 23
5.2 Base NodeClass . 24
5.2.1 General . 24
5.2.2 NodeId . 24
5.2.3 NodeClass . 24
5.2.4 BrowseName . 24
5.2.5 DisplayName . 25
5.2.6 Description . 25
5.2.7 WriteMask . 25
5.2.8 UserWriteMask . 26
5.3 ReferenceType NodeClass . 26
5.3.1 General . 26
5.3.2 Attributes . 26
---------------------- Page: 4 ----------------------
62541-3 IEC:2010 – 3 –
5.3.3 References . 28
5.4 View NodeClass . 28
5.5 Objects . 31
5.5.1 Object NodeClass . 31
5.5.2 ObjectType NodeClass . 33
5.5.3 Standard ObjectType FolderType . 35
5.5.4 Client-side creation of Objects of an ObjectType . 35
5.6 Variables . 35
5.6.1 General . 35
5.6.2 Variable NodeClass . 35
5.6.3 Properties . 39
5.6.4 DataVariable . 40
5.6.5 VariableType NodeClass . 40
5.6.6 Client-side creation of Variables of an VariableType . 42
5.7 Method NodeClass . 42
5.8 DataTypes . 44
5.8.1 DataType Model . 44
5.8.2 Encoding Rules for different kinds of DataTypes . 46
5.8.3 DataType NodeClass . 47
5.8.4 DataTypeDictionary, DataTypeDescription, DataTypeEncoding and
DataTypeSystem . 48
5.9 Summary of Attributes of the NodeClasses . 50
6 Type Model for ObjectTypes and VariableTypes . 51
6.1 Overview . 51
6.2 Definitions . 51
6.2.1 InstanceDeclaration . 51
6.2.2 Instances without ModellingRules . 51
6.2.3 InstanceDeclarationHierarchy . 51
6.2.4 Similar Node of InstanceDeclaration . 52
6.2.5 BrowsePath . 52
6.2.6 Attribute Handling of InstanceDeclarations . 52
6.2.7 Attribute Handling of Variable and VariableTypes . 52
6.3 Subtyping of ObjectTypes and VariableTypes . 52
6.3.1 Overview . 52
6.3.2 Attributes . 52
6.3.3 InstanceDeclarations . 53
6.4 Instances of ObjectTypes and VariableTypes . 56
6.4.1 Overview . 56
6.4.2 Creating an Instance . 56
6.4.3 Constraints on an Instance . 57
6.4.4 ModellingRules . 58
6.5 Changing Type Definitions that are already used . 64
6.6 ModelParent . 64
7 Standard ReferenceTypes . 65
7.1 General . 65
7.2 References ReferenceType . 66
7.3 HierarchicalReferences ReferenceType . 66
7.4 NonHierarchicalReferences ReferenceType . 67
7.5 HasChild ReferenceType . 67
---------------------- Page: 5 ----------------------
– 4 – 62541-3 IEC:2010
7.6 Aggregates ReferenceType . 67
7.7 HasComponent ReferenceType . 67
7.8 HasProperty ReferenceType. 68
7.9 HasOrderedComponent ReferenceType . 68
7.10 HasSubtype ReferenceType . 68
7.11 Organizes ReferenceType . 68
7.12 HasModellingRule ReferenceType . 69
7.13 HasModelParent ReferenceType . 69
7.14 HasTypeDefinition ReferenceType . 69
7.15 HasEncoding ReferenceType . 69
7.16 HasDescription ReferenceType . 70
7.17 GeneratesEvent . 70
7.18 AlwaysGeneratesEvent . 70
7.19 HasEventSource . 70
7.20 HasNotifier . 71
8 Standard DataTypes . 72
8.1 General . 72
8.2 NodeId . 72
8.2.1 General . 72
8.2.2 NamespaceIndex . 72
8.2.3 IdentifierType . 73
8.2.4 Identifier value . 73
8.3 QualifiedName . 74
8.4 LocaleId . 74
8.5 LocalizedText . 74
8.6 Argument . 75
8.7 BaseDataType . 75
8.8 Boolean . 75
8.9 Byte . 75
8.10 ByteString . 75
8.11 DateTime . 76
8.12 Double . 76
8.13 Duration . 76
8.14 Enumeration . 76
8.15 Float . 76
8.16 Guid . 76
8.17 SByte . 76
8.18 IdType . 76
8.19 Image . 76
8.20 ImageBMP . 76
8.21 ImageGIF . 76
8.22 ImageJPG . 76
8.23 ImagePNG . 77
8.24 Integer . 77
8.25 Int16 . 77
8.26 Int32 . 77
8.27 Int64 . 77
8.28 TimeZoneDataType . 77
8.29 NamingRuleType . 77
---------------------- Page: 6 ----------------------
62541-3 IEC:2010 – 5 –
8.30 NodeClass . 77
8.31 Number . 78
8.32 String . 78
8.33 Structure . 78
8.34 UInteger . 78
8.35 UInt16 . 78
8.36 UInt32 . 78
8.37 UInt64 . 78
8.38 UtcTime . 78
8.39 XmlElement . 78
9 Standard EventTypes . 79
9.1 General . 79
9.2 BaseEventType . 80
9.3 SystemEventType . 80
9.4 AuditEventType . 80
9.5 AuditSecurityEventType . 81
9.6 AuditChannelEventType . 82
9.7 AuditOpenSecureChannelEventType . 82
9.8 AuditSessionEventType . 82
9.9 AuditCreateSessionEventType . 82
9.10 AuditUrlMismatchEventType . 82
9.11 AuditActivateSessionEventType . 82
9.12 AuditCancelEventType . 82
9.13 AuditCertificateEventType . 82
9.14 AuditCertificateDataMismatchEventType . 82
9.15 AuditCertificateExpiredEventType . 82
9.16 AuditCertificateInvalidEventType . 83
9.17 AuditCertificateUntrustedEventType . 83
9.18 AuditCertificateRevokedEventType. 83
9.19 AuditCertificateMismatchEventType . 83
9.20 AuditNodeManagementEventType . 83
9.21 AuditAddNodesEventType . 83
9.22 AuditDeleteNodesEventType . 83
9.23 AuditAddReferencesEventType . 83
9.24 AuditDeleteReferencesEventType . 83
9.25 AuditUpdateEventType . 83
9.26 AuditWriteUpdateEventType . 83
9.27 AuditHistoryUpdateEventType . 84
9.28 AuditUpdateMethodEventType . 84
9.29 DeviceFailureEventType . 84
9.30 ModelChangeEvents . 84
9.30.1 General . 84
9.30.2 NodeVersion Property . 84
9.30.3 Views . 84
9.30.4 Event Compression . 84
9.30.5 BaseModelChangeEventType . 85
9.30.6 GeneralModelChangeEventType . 85
9.30.7 Guidelines for ModelChangeEvents . 85
9.31 SemanticChangeEventType . 85
---------------------- Page: 7 ----------------------
– 6 – 62541-3 IEC:2010
9.31.1 General . 85
9.31.2 ViewVersion and NodeVersion Properties . 85
9.31.3 Views . 86
9.31.4 Event Compression . 86
Annex A (informative) How to use the Address Space Model . 87
Annex B (informative) OPC UA Meta Model in UML . 90
Annex C (normative) OPC Binary Type Description System . 100
Annex D (normative) Graphical Notation . 112
Bibliography .
...
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