EN IEC 62769-8:2023

SLOVENSKI STANDARD
01-november-2023
Integracija procesne naprave (FDI®) - 8. del: Preslikava EDD v OPC-UA (IEC 62769-
8:2023)
Field device integration (FDI®) - Part 8: EDD to OPC-UA Mapping (IEC 62769-8:2023)
Feldgeräteintegration (FDI®) - Teil 8: EDD zu OPC-UA Mapping (IEC 62769-8:2023)
Intégration des appareils de terrain (FDI®) - Partie 8: Mapping de l'EDD avec l'OPC-UA
(IEC 62769-8:2023)
Ta slovenski standard je istoveten z: EN IEC 62769-8:2023
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62769-8

NORME EUROPÉENNE
EUROPÄISCHE NORM May 2023
ICS 33.040.40
English Version
Field device integration (FDI®) - Part 8: EDD to OPC-UA
Mapping
(IEC 62769-8:2023)
Intégration des appareils de terrain (FDI®) - Partie 8: Feldgeräteintegration (FDI®) - Teil 8: EDD zu OPC-UA
Mapping de l'EDD avec l'OPC-UA Mapping
(IEC 62769-8:2023) (IEC 62769-8:2023)
This European Standard was approved by CENELEC on 2023-05-10. 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 standards 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 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62769-8:2023 E

European foreword
The text of document 65E/851/CDV, future edition 1 of IEC 62769-8, 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
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-02-10
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-05-10
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62769-8:2023 was approved by CENELEC as a European
Standard without any modification.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 61804-3 - Devices and integration in enterprise systems EN IEC 61804-3 -
- Function blocks (FB) for process control
and electronic device description language
(EDDL) - Part 3: EDDL syntax and semantics
IEC 62541-3 - OPC Unified Architecture - Part 3: Address EN IEC 62541-3 -
Space Model
IEC 62541-4 - OPC Unified Architecture - Part 4: Services EN IEC 62541-4 -
IEC 62541-5 - OPC Unified Architecture - Part 5: EN IEC 62541-5 -
Information Model
IEC 62541-8 - OPC Unified Architecture - Part 8: Data EN IEC 62541-8 -
Access
IEC 62541-9 2020 OPC Unified Architecture - Part 9: Alarms EN IEC 62541-9 2020
and Conditions
IEC 62541-100 - OPC Unified Architecture - Part 100: Device - -
Interface
IEC 62769-1 - Field Device Integration (FDI®) - Part 1: EN IEC 62769-1 -
Overview
IEC 62769-5 - Field Device Integration (FDI®) - Part 5: FDI EN IEC 62769-5 -
Information Model
IEC 62769-6 - Field Device Integration (FDI®) - Part 6: FDI EN IEC 62769-6 -
Technology Mappings
ISO/IEC 11179-6 - Information technology - Metadata registries - -
(MDR) - Part 6: Registration
OPC 30081 - Process Automation Devices - PADIM - -
UN/CEFACT - UNECE Recommendation 20, Codes for - -
Units of Measure Used in International Trade

IEC 62769-8 ®
Edition 1.0 2023-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside ®
Field device integration (FDI ) –
Part 8: EDD to OPC-UA Mapping ®
Intégration des appareils de terrain (FDI ) –
Partie 8: Mapping de l'EDD avec l'OPC-UA
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.040.40 ISBN 978-2-8322-6792-9
– 2 – IEC 62769-8:2023 © IEC 2023
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, abbreviated terms, acronyms and conventions . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms and acronyms . 8
3.3 Conventions . 8
3.3.1 Capitalization . 8
3.3.2 Graphical notation . 8
4 Overview . 10
5 Basic principles of explicit mapping . 11
5.1 Semantic maps to tag EDD constructs . 11
5.2 Alias collections . 12
5.2.1 General . 12
5.2.2 Syntax of semantic id for alias mappings . 12
5.3 Namespace Alias Collection . 12
5.4 Reference Type Alias Collection . 14
5.5 Semantic maps for OPC-UA type mapping . 16
5.5.1 General . 16
5.5.2 Syntax of semantic Id for OPC-UA . 16
5.6 Semantic maps for unit mapping . 17
5.6.1 General . 17
5.6.2 Syntax of semantic Id for Units . 17
5.7 Explicit mapping of OPC-UA variable types . 17
5.8 Explicit mapping of complex OPC-UA types . 19
5.9 Explicit mapping of nested object and variable types . 21
5.9.1 General . 21
5.9.2 When to use collections . 21
5.9.3 When to use menus . 21
5.9.4 OPC-UA diagram of nested mapping example . 21
5.9.5 EDD snippet of nested mapping example . 22
5.10 Explicit mapping of methods . 26
5.10.1 Mapping EDD methods to OPC-UA objects, variables or properties . 26
5.10.2 Mapping EDD methods to OPC-UA methods . 26
5.11 Explicit mapping of alarms . 28
5.12 Explicit mapping of units . 35
5.13 Explicit mapping of aggregated data by methods . 36
5.14 Explicit mapping with reference types . 38
5.14.1 General . 38
5.14.2 Example: Adding an additional property to an instance of variable . 39
5.14.3 Example: Adding an additional variable to an instance of a variable or
an object . 40
5.14.4 Example: Adding an OPC-UA alias to a variable . 42
6 Implicit rules . 44
6.1 BrowseName of OPC-UA object . 44
6.1.1 General . 44
6.1.2 Overruling of BrowseName implicit rule . 44

IEC 62769-8:2023 © IEC 2023 – 3 –
6.2 DisplayName of OPC-UA object . 44
6.2.1 General . 44
6.2.2 Overruling of DisplayName implicit rule . 44
6.3 HANDLING and AccessLevel . 44
6.4 VALIDITY and availability. 44
6.5 Return values of EDD methods . 45
6.5.1 EDD methods mapped to OPC-UA objects, variables, properties or
attributes . 45
6.5.2 EDD methods mapped to OPC-UA methods . 45
6.6 Units . 45
6.7 Range . 45
6.8 Forward cast . 45
6.9 Backward cast . 45
6.10 Abstract OPC-UA types . 45
6.11 Unmapped mandatory OPC-UA properties, components and folders . 46
6.12 Semantic Identifiers and Dictionary References . 46
6.13 Implicit Type Casts for OPC-UA DataTypes . 47
7 Mapping the EDD device model into PA-DIM (OPC 30081) . 48
7.1 General .
...