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OPC UA 规范 总共11部分
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更新于2023-03-16
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OPC UA 规范 总共11部分: OPC+UA+Part+1+-+Concepts+1[1].00+Specification OPC+UA+Part+2+-+Security+Model+1[1].00+Specification OPC+UA+Part+3+-+Address+Space+Model+1[1].00+Specification OPC+UA+Part+4+-+Services+Draft+1[1].01.05+Specification OPC+UA+Part+5+-+Information+Model+1[1].00+Specification OPC+UA+Part+6+-+Mappings+RC0[1].93+Specification OPC+UA+Part+7+-+Profiles+Draft0[1].23+Specification OPC+UA+Part+8+-++Data+Access+1[1].00+Specification OPC+UA+Part+9+Alarms+Draft+v0[1].62 OPC+UA+Part+10+-+Programs+1[1].00+Specification OPC+UA+Part+11+-+Historical+Access+1[1].00+Specification
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F O U N D A T I O N
®
OPC Unified Architecture
Specification
Part 1: Concepts
Version 1.00
July 28, 2006
OPC Unified Architecture, Part 1 ii Release1.00
Specification
Type:
Industry Standard
Specification
Comments: Report or view errata:
http://www.opcfoundation.org/errat
a
Title: OPC Unified
Architecture
Part 1 :Concepts
Date: July 28, 2006
Version: Release 1.00 Software: MS-Word
Source: OPC UA Part 1 - Concepts 1.00
Specification.doc
Author: OPC Foundation Status: Release
OPC Unified Architecture, Part 1 iii Release 1.00
CONTENTS
Page
FOREWORD....................................................................................................................... vi
AGREEMENT OF USE ........................................................................................................ vi
1 Scope............................................................................................................................ 1
2 Reference documents .................................................................................................... 1
3 Terms, definitions, and abbreviations ............................................................................. 1
3.1 OPC UA terms ...................................................................................................... 1
3.1.1 AddressSpace........................................................................................... 1
3.1.2 Alarm ........................................................................................................ 2
3.1.3 Attribute .................................................................................................... 2
3.1.4 Certificate ................................................................................................. 2
3.1.5 Client ........................................................................................................ 2
3.1.6 Communication Stack................................................................................ 2
3.1.7 Complex Data ........................................................................................... 2
3.1.8 Event ........................................................................................................ 2
3.1.9 EventNotifier ............................................................................................. 2
3.1.10 Information Model...................................................................................... 2
3.1.11 Message ................................................................................................... 2
3.1.12 Method...................................................................................................... 2
3.1.13 MonitoredItem ........................................................................................... 3
3.1.14 Node......................................................................................................... 3
3.1.15 NodeClass ................................................................................................ 3
3.1.16 Notification................................................................................................ 3
3.1.17 NotificationMessage .................................................................................. 3
3.1.18 Object ....................................................................................................... 3
3.1.19 Object Instance ......................................................................................... 3
3.1.20 ObjectType................................................................................................ 3
3.1.21 Profile ....................................................................................................... 3
3.1.22 Program.................................................................................................... 3
3.1.23 Reference ................................................................................................. 3
3.1.24 ReferenceType.......................................................................................... 4
3.1.25 RootNode.................................................................................................. 4
3.1.26 Server....................................................................................................... 4
3.1.27 Service...................................................................................................... 4
3.1.28 Service Set ............................................................................................... 4
3.1.29 Session..................................................................................................... 4
3.1.30 Subscription .............................................................................................. 4
3.1.31 Variable .................................................................................................... 4
3.1.32 View.......................................................................................................... 4
3.2 Abbreviations and symbols.................................................................................... 4
4 Structure of the OPC UA series...................................................................................... 5
4.1 Specification Organization..................................................................................... 5
4.2 Core Specification Parts........................................................................................ 5
4.2.1 Part 1 – OPC UA Concepts........................................................................ 5
4.2.2 Part 2 – OPC UA Security Model ............................................................... 5
4.2.3 Part 3 – OPC UA Address Space Model..................................................... 5
4.2.4 Part 4 – OPC UA Services......................................................................... 5
OPC Unified Architecture, Part 1 iv Release 1.00
4.2.5
Part 5 – OPC UA Information Model........................................................... 6
4.2.6 Part 6 – OPC UA Service Mappings ........................................................... 6
4.2.7 Part 7 – OPC UA Profiles........................................................................... 6
4.3 Access Type Specification Parts............................................................................ 6
4.3.1 Part 8 – OPC UA Data Access ................................................................... 6
4.3.2 Part 9 – OPC UA Alarms and Conditions.................................................... 6
4.3.3 Part 10 – OPC UA Programs...................................................................... 6
4.3.4 Part 11 – OPC UA Historical Access .......................................................... 6
5 Overview ....................................................................................................................... 6
5.1 Introduction........................................................................................................... 6
5.2 Design goals......................................................................................................... 6
5.3 Integrated models and services ............................................................................. 8
5.3.1 Security model .......................................................................................... 8
5.3.2 Integrated AddressSpace model ................................................................ 9
5.3.3 Integrated object model ............................................................................. 9
5.3.4 Integrated services.................................................................................. 10
5.4 Sessions............................................................................................................. 10
5.5 Redundancy........................................................................................................ 10
6 Systems concepts........................................................................................................ 11
6.1 Overview ............................................................................................................ 11
6.2 OPC UA Clients .................................................................................................. 11
6.3 OPC UA Servers................................................................................................. 12
6.3.1 Real objects ............................................................................................ 12
6.3.2 OPC UA Server application...................................................................... 12
6.3.3 OPC UA AddressSpace ........................................................................... 12
6.3.4 Publisher/subscriber entities.................................................................... 13
6.3.5 OPC UA Service Interface ....................................................................... 13
6.3.6 Server to Server interactions ................................................................... 14
7 Service Sets ................................................................................................................ 15
7.1 General .............................................................................................................. 15
7.2 SecureChannel Service Set................................................................................. 15
7.3 Session Service Set............................................................................................ 16
7.4 NodeManagement Service Set ............................................................................ 16
7.5 View Service Set................................................................................................. 16
7.6 Attribute Service Set ........................................................................................... 17
7.7 Method Service Set............................................................................................. 17
7.8 MonitoredItem Service Set .................................................................................. 17
7.9 Subscription Service Set ..................................................................................... 17
7.10 Query Service Set............................................................................................... 18
OPC Unified Architecture, Part 1 v Release 1.00
FIGURES
Figure 1 – OPC UA Specification Organization...................................................................... 5
Figure 2 – OPC UA Target Applications ................................................................................ 7
Figure 3 – OPC UA System Architecture............................................................................. 11
Figure 4 – OPC UA Client Architecture ............................................................................... 11
Figure 5 – OPC UA Server Architecture .............................................................................. 12
Figure 6 – Interactions between Servers............................................................................. 14
Figure 7 – Chained Server Example ................................................................................... 15
Figure 8 – SecureChannel and Session Services ................................................................ 16
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