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BSI PD CLC IEC/TR 62541-1:2021

BSI PD CLC IEC/TR 62541-1:2021

$167.15

OPC unified architecture – Overview and concepts

Published By Publication Date Number of Pages
BSI 2021 34
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This part of IEC 62541 presents the concepts and overview of the OPC Unified Architecture (OPC UA). Reading this document is helpful to understand the remaining parts of this multi-part document set. Each of the other parts of IEC 62451 is briefly explained along with a suggested reading order.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
12 3 Terms, definitions, and abbreviated terms
3.1 Terms and definitions
16 3.2 Abbreviated terms
17 4 Structure of the OPC UA series
4.1 Specification organization
4.2 Core specification parts
Figure 1 – OPC UA specification organization
18 4.3 Access Type specification parts
4.4 Utility specification parts
19 5 Overview
5.1 UA scope
5.2 General
5.3 Design goals
20 Figure 2 – OPC UA target applications
21 5.4 Integrated models and services
5.4.1 Security model
22 5.4.2 Integrated AddressSpace model
23 5.4.3 Integrated object model
5.4.4 Integrated services
5.5 Sessions
24 6 Systems concepts
6.1 Client Server Overview
6.2 OPC UA Clients
Figure 3 – OPC UA System architecture
Figure 4 – OPC UA Client architecture
25 6.3 OPC UA Servers
6.3.1 General
6.3.2 Real objects
6.3.3 Server application
Figure 5 – OPC UA Server architecture
26 6.3.4 OPC UA AddressSpace
6.3.5 Subscription entities
6.3.6 OPC UA Service Interface
27 6.3.7 Server to Server interactions
Figure 6 – Peer-to-peer interactions between Servers
28 6.4 Redundancy
6.5 Publish-Subscribe
Figure 7 – Chained Server example
29 6.6 Synergy of models
Figure 8 – Integrated Client Server and PubSub models
30 7 Service Sets
7.1 General
7.2 Discovery Service Set
7.3 SecureChannel Service Set
31 7.4 Session Service Set
7.5 NodeManagement Service Set
7.6 View Service Set
7.7 Query Service Set
Figure 9 – SecureChannel and Session Services
32 7.8 Attribute Service Set
7.9 Method Service Set
7.10 MonitoredItem Service Set
33 7.11 Subscription Service Set

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BSI PD CLC IEC/TR 62541-1:2021
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