IEC 62769-3:2023

Field Device Integration (FDI®) - Part 3: Server

IEC 62769-3:2023 specifies the FDI®[1] Server. The overall FDI® architecture is illustrated in Figure 1. The architectural components that are within the scope of this document have been highlighted in this figure. Annex A provides a functional description of the FDI® Server.
[1] FDI® is a registered trademark of the non-profit organization Fieldbus Foundation, Inc. This information is given for the convenience of users of this document and does not constitute an endorsement by IEC of the trademark holder or any of its products. Compliance does not require use of the trade name. Use of the trade name requires permission of the trade name holder.

Intégration des appareils de terrain (FDI®) - Partie 3: Serveur

L'IEC 62769-3:2023 spécifie le Serveur FDI®. L'architecture FDI® complète est représentée à la Figure 1. Les composants architecturaux qui relèvent du domaine d'application du présent document ont été mis en évidence dans cette figure. L'Annex A fournit une description fonctionnelle du Serveur FDI®.
[1] FDI® est une marque déposée de l’organisation à but non lucratif Fieldbus Foundation, Inc. Cette information est donnée à l'intention des utilisateurs du présent document et ne signifie nullement que l'IEC approuve le détenteur de la marque ou l'emploi de ses produits. La conformité n'exige pas l'utilisation de la marque. L'utilisation de la marque exige l'autorisation du détenteur de la marque.

General Information

• Status: Published
• Publication Date: 03-Apr-2023
• ICS: 25.040.40 - Industrial process measurement and control
• ICS: 35.100.05 - Multilayer applications
• Technical Committee: SC 65E - Devices and integration in enterprise systems
• Drafting Committee: WG 7 - TC 65/SC 65E/WG 7
• Current Stage: PPUB - Publication issued
• Start Date: 17-Mar-2023
• Completion Date: 04-Apr-2023

Relations

• Revises: IEC 62769-3:2021 - Field Device Integration (FDI) - Part 3: Server
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62769-3 ®
Edition 3.0 2023-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Field device integration (FDI®) –
Part 3: Server
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
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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International Standards for all electrical, electronic and related technologies.

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IEC 62769-3 ®
Edition 3.0 2023-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Field device integration (FDI®) –
Part 3: Server
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-6805-6
– 2 – IEC 62769-3:2023 RLV © IEC 2023
CONTENTS
FOREWORD . 5
INTRODUCTION .
1 Scope . 8
2 Normative references . 8
3 Terms, definitions, abbreviated terms and conventions acronyms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms and acronyms . 10
3.3 Conventions . 10
4 Overview . 10
5 Information Model . 11
5.1 General . 11
5.2 Online/Offline . 11
5.2.1 Overview . 11
5.2.2 Transfer to device . 12
5.2.3 Transfer from device . 12
5.2.4 Interactive Transfer to device . 12
5.3 Access privileges . 12
5.4 Private Parameters . 13
5.5 Locking . 13
5.6 EditContext . 14
5.6.1 Concept and usage model . 14
5.6.2 Services . 15
5.6.3 NodeIds . 16
5.6.4 Reading . 16
5.6.5 Writing . 16
5.6.6 Writing dominant and dependent Variables . 16
5.6.7 Actions (EDD METHODS) . 18
5.6.8 UIDs . 18
5.6.9 Synchronization . 19
5.7 Reading . 19
5.7.1 General . 19
5.7.2 Reading offline variables . 20
5.7.3 Reading online variables . 20
5.8 Writing . 21
5.8.1 General . 21
5.8.2 Write offline variables . 22
5.8.3 Writing online variables . 23
5.8.4 Writing to an EditContext . 24
5.9 Subscription . 25
5.9.1 General . 25
5.9.2 Subscription of offline variables . 26
5.9.3 Subscription of online variables . 27
5.10 Device topology . 28
5.10.1 General . 28
5.10.2 Connection Points . 28
5.10.3 Topology management . 29

5.10.4 Topology scanning . 32
5.10.5 Use of SCAN function . 33
5.10.6 Validation of defined topology . 33
5.11 User Interface Elements . 34
5.11.1 User Interface Descriptions. 34
5.11.2 User Interface Plug-ins . 35
5.12 Actions . 35
® ®
5.12.1 FDI Server – FDI Client interaction . 35
5.12.2 Action state machine . 38
5.12.3 Actions Proxies . 39
5.12.4 INTERACTIVE_TRANSFER_TO_DEVICE Action . 40
5.12.5 Actions, EDD Actions and Actions Proxies . 41
6 OPC UA services . 42
6.1 OPC UA profiles . 42
6.2 Service error information . 42
6.2.1 Overview . 42
6.2.2 OPC UA services and their response . 42
6.2.3 Mappings of EDDL response codes to OPC UA service response . 43
6.3 Parameter value update during write service request . 44
6.4 Localization . 44
6.5 Audit events . 44
7 Communication . 44
7.1 Notation . 44
7.2 General . 45
7.2.1 Concepts . 45
7.2.2 Terms . 47
7.3 Communication Service processing . 48
7.3.1 Communication Service invocation . 48
7.3.2 Analyze communication path . 48
7.3.3 Manage communication relations . 49
7.3.4 Communication service request mapping . 49
7.3.5 Communication service request propagation . 50
7.3.6 Communication error handling . 51 ®
7.4 FDI Communication Server specific handling . 51
7.4.1 Discovery . 51
7.4.2 Information Model synchronization . 52 ®
8 Parallel Execution within the FDI Server . 52
8.1 Motivation . 52
8.2 Internal structure of the EDD interpreter. 53
8.3 Rules for running an EDD entity . 53 ®
Annex A (informative) FDI Server functional structure . 55 ®
A.1 FDI functional elements . 55 ®
A.2 FDI Server extension . 56
Annex B (informative) Access privileges and user roles . 58
B.1 User roles and usage case . 58
B.2 Private data usage . 59 ®
Annex C (informative) Parallel execution within the FDI Server – Examples . 60
C.1 Simple example for a synchronous execution . 60

– 4 – IEC 62769-3:2023 RLV © IEC 2023
C.2 Example for a concurrent execution . 60
C.3 Deadlock detection in concurrent execution . 62
Annex D (informative) Read-Only mode for UID Views . 63
D.1 Definition .
...

IEC 62769-3 ®
Edition 3.0 2023-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Field device integration (FDI®) –
Part 3: Server
Intégration des appareils de terrain (FDI®) –
Partie 3: Serveur
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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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
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 corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
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and withdrawn publications.
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Stay up to date on all new IEC publications. Just Published
containing more than 22 300 terminological entries in English
details all new publications released. Available online and once
and French, with equivalent terms in 19 additional languages.
a month by email.
Also known as the International Electrotechnical Vocabulary

(IEV) online.
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If you wish to give us your feedback on this publication or need
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IEC 62769-3 ®
Edition 3.0 2023-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Field device integration (FDI®) –

Part 3: Server
Intégration des appareils de terrain (FDI®) –

Partie 3: Serveur
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-6446-1

– 2 – IEC 62769-3:2023 © IEC 2023
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, abbreviated terms and acronyms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms and acronyms . 8
3.3 Conventions . 9
4 Overview . 9
5 Information Model . 9
5.1 General . 9
5.2 Online/Offline . 10
5.2.1 Overview . 10
5.2.2 Transfer to device . 10
5.2.3 Transfer from device . 11
5.2.4 Interactive Transfer to device . 11
5.3 Access privileges . 11
5.4 Private Parameters . 11
5.5 Locking . 12
5.6 EditContext . 13
5.6.1 Concept and usage model . 13
5.6.2 Services . 14
5.6.3 NodeIds . 14
5.6.4 Reading . 14
5.6.5 Writing . 15
5.6.6 Writing dominant and dependent Variables . 15
5.6.7 Actions (EDD METHODS) . 16
5.6.8 UIDs . 16
5.6.9 Synchronization . 17
5.7 Reading . 17
5.7.1 General . 17
5.7.2 Reading offline variables . 18
5.7.3 Reading online variables . 18
5.8 Writing . 19
5.8.1 General . 19
5.8.2 Write offline variables . 20
5.8.3 Writing online variables . 21
5.8.4 Writing to an EditContext . 22
5.9 Subscription . 23
5.9.1 General . 23
5.9.2 Subscription of offline variables . 24
5.9.3 Subscription of online variables . 25
5.10 Device topology . 26
5.10.1 General . 26
5.10.2 Connection Points . 26
5.10.3 Topology management . 27
5.10.4 Topology scanning . 30
5.10.5 Use of SCAN function . 31

5.10.6 Validation of defined topology . 31
5.11 User Interface Elements . 32
5.11.1 User Interface Descriptions. 32
5.11.2 User Interface Plug-ins . 33
5.12 Actions . 33
® ®
5.12.1 FDI Server – FDI Client interaction . 33
5.12.2 Action state machine . 36
5.12.3 Actions Proxies . 37
5.12.4 INTERACTIVE_TRANSFER_TO_DEVICE Action . 38
5.12.5 Actions, EDD Actions and Actions Proxies . 39
6 OPC UA services . 40
6.1 OPC UA profiles . 40
6.2 Service error information . 40
6.2.1 Overview . 40
6.2.2 OPC UA services and their response . 40
6.2.3 Mappings of EDDL response codes to OPC UA service response . 41
6.3 Parameter value update during write service request . 42
6.4 Localization . 42
6.5 Audit events . 42
7 Communication . 42
7.1 Notation . 42
7.2 General . 43
7.2.1 Concepts . 43
7.2.2 Terms . 45
7.3 Communication Service processing . 46
7.3.1 Communication Service invocation . 46
7.3.2 Analyze communication path .
...