O
PC Unified Architecture, Part 1 iii Release Candidate 1.01.03
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 Condition .................................................................................................... 2
3.1.7 Communication Stack ................................................................................. 2
3.1.8 Complex Data ............................................................................................. 2
3.1.9 Discovery.................................................................................................... 2
3.1.10 Event .......................................................................................................... 2
3.1.11 EventNotifier ............................................................................................... 2
3.1.12 Information Model ....................................................................................... 2
3.1.13 Message ..................................................................................................... 3
3.1.14 Method........................................................................................................ 3
3.1.15 MonitoredItem ............................................................................................. 3
3.1.16 Node ........................................................................................................... 3
3.1.17 NodeClass .................................................................................................. 3
3.1.18 Notification.................................................................................................. 3
3.1.19 NotificationMessage.................................................................................... 3
3.1.20 Object ......................................................................................................... 3
3.1.21 Object Instance........................................................................................... 3
3.1.22 ObjectType ................................................................................................. 3
3.1.23 Profile ......................................................................................................... 3
3.1.24 Program ...................................................................................................... 4
3.1.25 Reference ................................................................................................... 4
3.1.26 ReferenceType ........................................................................................... 4
3.1.27 RootNode.................................................................................................... 4
3.1.28 Server......................................................................................................... 4
3.1.29 Service ....................................................................................................... 4
3.1.30 Service Set ................................................................................................. 4
3.1.31 Session....................................................................................................... 4
3.1.32 Subscription ................................................................................................ 4
3.1.33 Variable ...................................................................................................... 4
3.1.34 View............................................................................................................ 5
3.2 Abbreviations and symbols ..................................................................................... 5
4 Structure of the OPC UA series........................................................................................ 5
4.1 Specification Organization ...................................................................................... 5
4.2 Core Specification Parts ......................................................................................... 6
4.3 Access Type Specification Parts ............................................................................. 6
5 Overview.......................................................................................................................... 7
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