ISO/DIS 23247-2

Automation systems and integration -- Digital Twin framework for manufacturing

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DRAFT INTERNATIONAL STANDARD
ISO/DIS 23247-2
ISO/TC 184/SC 4 Secretariat: ANSI
Voting begins on: Voting terminates on:
2020-07-27 2020-10-19
Automation systems and integration — Digital Twin
framework for manufacturing —
Part 2:
Reference architecture
ICS: 25.040.40; 35.240.50
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
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BEING ACCEPTABLE FOR INDUSTRIAL,
This document is circulated as received from the committee secretariat.
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Reference number
NATIONAL REGULATIONS.
ISO/DIS 23247-2:2020(E)
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ISO/DIS 23247-2:2020(E)
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© ISO 2020

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ii © ISO 2020 – All rights reserved
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ISO/DIS 23247-2:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Digital Twin reference architecture: goals and objectives ....................................................................................... 2

5 Digital Twin reference models for manufacturing ........................................................................................................... 3

5.1 Domain-based reference model ............................................................................................................................................... 3

5.1.1 Domains of Digital Twin for manufacturing ............................................................................................. 3

5.1.2 Observable Manufacturing Domain ................................................................................................................. 4

5.1.3 Data Collection and Device Control Domain ............................................................................................ 4

5.1.4 Core Domain ........................................................................................................................................................................ 5

5.1.5 User Domain ........................................................................................................................................................................ 5

5.2 Entity-based reference model .................................................................................................................................................... 5

5.2.1 Entities of Digital Twin framework for manufacturing .................................................................. 5

5.2.2 Observable Manufacturing Elements ............................................................................................................. 5

5.2.3 Data Collection and Device Control Entity ................................................................................................ 5

5.2.4 Core Entity ............................................................................................................................................................................. 6

5.2.5 User Entity ............................................................................................................................................................................. 6

5.2.6 Cross-system Entity ........................................................................................................................................... ............ 6

6 Functional view of the Digital Twin reference architecture for manufacturing ................................7

6.1 General ........................................................................................................................................................................................................... 7

6.2 Functional entities of the Data Collection and Device Control Entity ..................................................... 8

6.2.1 Functional entities in the data collection sub-entity ........................................................................ 8

6.2.2 Functional entities in the device control sub-entity ......................................................................... 8

6.3 Functional entities in the Core Entity .................................................................................................................................. 9

6.3.1 Functional entities in the operation and management sub-entity ....................................... 9

6.3.2 Functional entities in application and service sub-entity ............................................................ 9

6.3.3 Functional entities in the resource access and interchange sub-entity ........................10

6.4 Functional Entity in the User Entity ..................................................................................................................................10

6.4.1 User interface FE ...........................................................................................................................................................10

6.5 Functional entities in the cross-system entity ..........................................................................................................10

6.5.1 Data assurance FE ........................................................................................................................................................10

6.5.2 Security support FE ....................................................................................................................................................10

6.5.3 Data Translation FE ....................................................................................................................................................10

Bibliography .............................................................................................................................................................................................................................11

© ISO 2020 – All rights reserved iii
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ISO/DIS 23247-2:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/ iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 184, Automation systems and integration,

Subcommittee SC 4, Industrial Data.
A list of all parts in the ISO 23247 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
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ISO/DIS 23247-2:2020(E)
Introduction

The ISO 23247 series defines a framework to support the creation of Digital Twins of observable

manufacturing elements including personnel, equipment, materials, manufacturing processes, facilities,

environment, products, and supporting documents.
The scopes of the four parts of this series are defined below:
— Part 1: Overview and general principles

General principles and requirements for developing a Digital Twin in manufacturing;

— Part 2: Reference architecture
Reference architecture with functional views;
— Part 3: Digital representation of manufacturing elements
List of basic information attributes for observable manufacturing elements;
— Part 4: Information exchange

Technical requirements for information exchange between entities within the reference

architecture.

The framework is targeted to all types of manufacturing including discrete and continuous

manufacturing of parts, assemblies, and material. The actual type of manufacturing supported

by a particular implementation depends on the standards and technologies available to model the

observable manufacturing elements.

Digital Twin use cases that conform to the framework will be detailed in a series of technical reports

attached to this series. Preliminary outlines for three use cases are given in the Annex of Part 4.

© ISO 2020 – All rights reserved v
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DRAFT INTERNATIONAL STANDARD ISO/DIS 23247-2:2020(E)
Automation systems and integration — Digital Twin
framework for manufacturing —
Part 2:
Reference architecture
1 Scope

This part of ISO 23247 provides a reference architecture for the Digital Twin in manufacturing.

The ISO 23247 series defines a framework to guide the creation of Digital Twins of observable

manufacturing elements including personnel, equipment, materials, processes, facilities, environment,

products, and supporting documents.
The following are within the scope of this part of ISO 23247:
— reference architecture goals and objectives;
— reference model;
— functional view.
The following are described in other parts of ISO 23247:
— overview and general principles (Part 1);
— digital representation of manufacturing elements (Part 3);
— information exchange requirements for Digital Twins (Part 4).

The following are outside of the scope of ISO 23247, but will be identified as use cases in technical

reports.

— selection of the manufacturing devices and other resources to be represented by Digital Twins;

— selection of the manufacturing processes to be represented by Digital Twins;
— selection of the manufacturing products to be represented by Digital Twins.
2 Normative references

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.

ISO 23247-1, Automation systems and integration — Digital Twin framework for manufacturing — Part 1:

Overview and general principles
ISO/IEC 30141, Internet of Things (loT) — Reference Architecture
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 23247-1 and the following apply.

© ISO 2020 – All rights reserved 1
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ISO/DIS 23247-2:2020(E)

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at http:// www .electropedia .org/
— ISO Online browsing platform: available at https:// www .iso .org/ obp
3.1
Observable Manufacturing Domain
spatial/logical/functional area of the observable manufacturing resources
3.2
Observable Manufacturing Element
item that has observable physical presence or operation in manufacturing
[SOURCE: ISO 23247-1, 3.2.5]

EXAMPLE Resources of a machine tool such as cutters, fixtures, and moving components

3.3
Data Collection and Device Control Domain

spatial/logical/functional area that uses sensors to collect data from the Observable Manufacturing

Domain and provides services to
...