1、BSI Standards PublicationOPC unified architecturePart 3: Address Space ModelBS EN 62541-3:2015National forewordThis British Standard is the UK implementation of EN 62541-3:2015. It isidentical to IEC 62541-3:2015. It supersedes BS EN 62541-3:2010 which iswithdrawn.The UK participation in its prepara
2、tion was entrusted to TechnicalCommittee AMT/7, Industrial communications: process measurement andcontrol, including fieldbus.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa
3、 contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83002 0ICS 25.040.40; 35.100.01; 35.200; 35.240.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British St
4、andard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62541-3:2015EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 62541-3 May 2015 ICS 25.040.40; 35.100 Supersedes
5、 EN 62541-3:2010 English Version OPC unified architecture - Part 3: Address Space Model(IEC 62541-3:2015) Architecture unifie OPC - Partie 3: Modle de lEspacedAdressage (IEC 62541-3:2015) OPC Unified Architecture - Teil 3: Adressraummodell(IEC 62541-3:2015) This European Standard was approved by CEN
6、ELEC on 2015-04-29. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standa
7、rds may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language
8、 and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, G
9、ermany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalis
10、ation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62541-3:2015 E EN 62541-3:2015 - 2 - Forewo
11、rd The text of document 65E/374/CDV, future edition 2 of IEC 62541-3, prepared by SC 65E “Devices and integration in enterprise systems“, of IEC/TC 65 “Industrial-process measurement, control and automation“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62541-3:2015. T
12、he following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-01-29 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-04-29
13、This document supersedes EN 62541-3:2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mand
14、ate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). Endorsement notice The text of the International Standard IEC 62541-3:2015 was approved by CENELEC as a European Standard without any modification. BS EN 6
15、2541-3:2015- 3 - EN 62541-3:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated refer
16、ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date infor
17、mation on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC/TR 62541-1 - OPC unified architecture - Part 1: Overview and concepts CLC/TR 62541-1 - IEC 62541-4 - OPC Unified Architecture - Part 4: Services EN 62
18、541-4 - IEC 62541-5 - OPC unified architecture - Part 5: Information Model EN 62541-5 - IEC 62541-6 - OPC unified architecture - Part 6: Mappings EN 62541-6 - IEC 62541-8 - OPC Unified Architecture - Part 8: Data Access EN 62541-8 - IEC 62541-11 - OPC unified architecture - Part 11: Historical Acces
19、s EN 62541-11 - ISO/IEC 10918-1 - Information technology - Digital compression and coding of continuous-tone still images: Requirements and guidelines - - ISO/IEC 15948 - Information technology - Computer graphics and image processing - Portable Network Graphics (PNG) - Functional specification - -
20、ISO 639 series Codes for the representation of names of languages - - ISO 3166 series Codes for the representation of names of countries and their subdivisions - - ANSI/IEEE 754 1985 IEEE Standard for Binary Floating-Point Arithmetic - - BS EN 62541-3:2015EN 62541-3:2015 - 4 - Publication Year Title
21、 EN/HD Year IETF RFC 3066 - Tags for the Identification of Languages - - W3C XML Schema Part 1 - Structures - - W3C XML Schema Part 2 - Datatypes - - W3C Xpath - XML Path Language (XPath) - - BS EN 62541-3:2015 2 IEC 62541-3:2015 IEC 2015 CONTENTS FOREWORD . 10 1 Scope 12 2 Normative references 12 3
22、 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 1
23、6 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 . 20 4.5.3 Subtyping 20 4.5.
24、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.
25、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 5.3.3 References 28 BS EN 62541-3:2015IEC 62541-3:2015 IEC 2015 3 5.4 View NodeClass 29 5.5 Objects . 31 5.5.1 Object NodeClass 31 5.5.2 ObjectTyp
26、e 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 39 5.6.5 VariableType NodeClass 40 5.6.6 Client-side creation of Variables of an V
27、ariableType 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
28、 . 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 52 6.2.4 Similar Node of InstanceDeclaration 52 6.2.5 BrowsePath . 52 6.2.6 Attribute Handling of I
29、nstanceDeclarations . 52 6.2.7 Attribute Handling of Variable and VariableTypes 52 6.2.8 NodeIds of InstanceDeclarations 52 6.3 Subtyping of ObjectTypes and VariableTypes . 53 6.3.1 Overview . 53 6.3.2 Attributes . 53 6.3.3 InstanceDeclarations . 53 6.4 Instances of ObjectTypes and VariableTypes 56
30、6.4.1 Overview . 56 6.4.2 Creating an Instance 57 6.4.3 Constraints on an Instance 57 6.4.4 ModellingRules 58 6.5 Changing Type Definitions that are already used 66 7 Standard ReferenceTypes . 66 7.1 General . 66 7.2 References ReferenceType . 67 7.3 HierarchicalReferences ReferenceType 67 7.4 NonHi
31、erarchicalReferences ReferenceType 68 7.5 HasChild ReferenceType 68 7.6 Aggregates ReferenceType . 68 BS EN 62541-3:2015 4 IEC 62541-3:2015 IEC 2015 7.7 HasComponent ReferenceType. 68 7.8 HasProperty ReferenceType . 69 7.9 HasOrderedComponent ReferenceType 69 7.10 HasSubtype ReferenceType 69 7.11 Or
32、ganizes ReferenceType. 69 7.12 HasModellingRule ReferenceType 70 7.13 HasTypeDefinition ReferenceType 70 7.14 HasEncoding ReferenceType 70 7.15 HasDescription ReferenceType . 70 7.16 GeneratesEvent 71 7.17 AlwaysGeneratesEvent . 71 7.18 HasEventSource . 71 7.19 HasNotifier 71 8 Standard DataTypes 73
33、 8.1 General . 73 8.2 NodeId 73 8.2.1 General 73 8.2.2 NamespaceIndex . 73 8.2.3 IdentifierType . 74 8.2.4 Identifier value . 74 8.3 QualifiedName 75 8.4 LocaleId 75 8.5 LocalizedText . 76 8.6 Argument 76 8.7 BaseDataType 76 8.8 Boolean 76 8.9 Byte 76 8.10 ByteString . 77 8.11 DateTime 77 8.12 Doubl
34、e 77 8.13 Duration 77 8.14 Enumeration . 77 8.15 Float . 77 8.16 Guid 77 8.17 SByte 77 8.18 IdType 77 8.19 Image . 77 8.20 ImageBMP 78 8.21 ImageGIF 78 8.22 ImageJPG . 78 8.23 ImagePNG 78 8.24 Integer 78 8.25 Int16 . 78 8.26 Int32 . 78 8.27 Int64 . 78 8.28 TimeZoneDataType. 78 8.29 NamingRuleType 78
35、 8.30 NodeClass 79 8.31 Number . 79 BS EN 62541-3:2015IEC 62541-3:2015 IEC 2015 5 8.32 String 79 8.33 Structure . 79 8.34 UInteger 79 8.35 UInt16 . 79 8.36 UInt32 . 79 8.37 UInt64 . 79 8.38 UtcTime 80 8.39 XmlElement 80 8.40 EnumValueType 80 9 Standard EventTypes 80 9.1 General . 80 9.2 BaseEventTyp
36、e . 81 9.3 SystemEventType . 81 9.4 ProgressEventType . 81 9.5 AuditEventType 82 9.6 AuditSecurityEventType 83 9.7 AuditChannelEventType 83 9.8 AuditOpenSecureChannelEventType 83 9.9 AuditSessionEventType 83 9.10 AuditCreateSessionEventType 84 9.11 AuditUrlMismatchEventType . 84 9.12 AuditActivateSe
37、ssionEventType 84 9.13 AuditCancelEventType 84 9.14 AuditCertificateEventType . 84 9.15 AuditCertificateDataMismatchEventType . 84 9.16 AuditCertificateExpiredEventType . 84 9.17 AuditCertificateInvalidEventType 84 9.18 AuditCertificateUntrustedEventType 84 9.19 AuditCertificateRevokedEventType . 84
38、 9.20 AuditCertificateMismatchEventType 85 9.21 AuditNodeManagementEventType 85 9.22 AuditAddNodesEventType 85 9.23 AuditDeleteNodesEventType . 85 9.24 AuditAddReferencesEventType . 85 9.25 AuditDeleteReferencesEventType . 85 9.26 AuditUpdateEventType . 85 9.27 AuditWriteUpdateEventType . 85 9.28 Au
39、ditHistoryUpdateEventType 85 9.29 AuditUpdateMethodEventType 85 9.30 DeviceFailureEventType . 85 9.31 SystemStatusChangeEventType . 86 9.32 ModelChangeEvents . 86 9.32.1 General 86 9.32.2 NodeVersion Property 86 9.32.3 Views . 86 9.32.4 Event Compression 86 9.32.5 BaseModelChangeEventType 86 9.32.6
40、GeneralModelChangeEventType 87 9.32.7 Guidelines for ModelChangeEvents . 87 BS EN 62541-3:2015 6 IEC 62541-3:2015 IEC 2015 9.33 SemanticChangeEventType 87 9.33.1 General 87 9.33.2 ViewVersion and NodeVersion Properties 87 9.33.3 Views . 88 9.33.4 Event Compression 88 Annex A (informative) How to use
41、 the Address Space Model . 89 A.1 Overview. 89 A.2 Type definitions 89 A.3 ObjectTypes 89 A.4 VariableTypes . 90 A.4.1 General 90 A.4.2 Properties or DataVariables . 90 A.4.3 Many Variables and / or structured DataTypes . 90 A.5 Views 91 A.6 Methods 91 A.7 Defining ReferenceTypes 91 A.8 Defining Mod
42、ellingRules . 91 Annex B (informative) OPC UA Meta Model in UML . 92 B.1 Background. 92 B.2 Notation 92 B.3 Meta Model . 94 B.3.1 Base 94 B.3.2 ReferenceType 94 B.3.3 Predefined ReferenceTypes . 96 B.3.4 Attributes . 96 B.3.5 Object and ObjectType 97 B.3.6 EventNotifier 98 B.3.7 Variable and Variabl
43、eType . 98 B.3.8 Method 99 B.3.9 DataType . 100 B.3.10 View 101 Annex C (normative) OPC Binary Type Description System . 102 C.1 Concepts 102 C.2 Schema Description 103 C.2.1 TypeDictionary . 103 C.2.2 TypeDescription . 103 C.2.3 OpaqueType 104 C.2.4 EnumeratedType . 104 C.2.5 StructuredType 105 C.2
44、.6 FieldType . 105 C.2.7 EnumeratedValue 107 C.2.8 ByteOrder 107 C.2.9 ImportDirective 107 C.3 Standard Type Descriptions 107 C.4 Type Description Examples . 108 C.5 OPC Binary XML Schema . 110 C.6 OPC Binary Standard TypeDictionary . 111 Annex D (normative) Graphical Notation 114 BS EN 62541-3:2015
45、IEC 62541-3:2015 IEC 2015 7 D.1 General . 114 D.2 Notation 114 D.2.1 Overview . 114 D.2.2 Simple Notation . 114 D.2.3 Extended Notation . 116 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
46、 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 1
47、1 Example of DataType Modelling . 50 Figure 12 Subtyping TypeDefinitionNodes 54 Figure 13 The Fully-Inherited InstanceDeclarationHierarchy for BetaType . 55 Figure 14 An Instance and its TypeDefinitionNode . 57 Figure 15 Example for several References between InstanceDeclarations . 58 Figure 16 Exam
48、ple 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
49、 ExposesItsArray 64 Figure 21 Complex example on using ExposesItsArray 64 Figure 22 Example on using OptionalPlaceholder 65 Figure 23 Example on using MandatoryPlaceholder . 66 Figure 24 Standard ReferenceType Hierarchy 67 Figure 25 Event Reference Example 72 Figure 26 Complex Event Reference Example . 73 Figure 27 Standard EventType Hhierarchy . 81 Figure 28 Audit Behaviour of a Server 82 Figure 29 Audit Behaviour of an Aggregating Server 83 Figur
