IEC 62832-2:2020

IEC 62832-2 ®
Edition 1.0 2020-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial-process measurement, control and automation – Digital factory
framework –
Part 2: Model elements
Mesure, commande et automation dans les processus industriels – Cadre de
l’usine numerique (digital factory) –
Partie 2: Éléments de modèles
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IEC 62832-2 ®
Edition 1.0 2020-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial-process measurement, control and automation – Digital factory

framework –
Part 2: Model elements
Mesure, commande et automation dans les processus industriels – Cadre de

l’usine numerique (digital factory) –

Partie 2: Éléments de modèles
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40 ISBN 978-2-8322-8965-5

– 2 – IEC 62832-2:2020  IEC 2020
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms, definitions, symbols, abbreviated terms and conventions . 10
3.1 Terms and definitions . 10
3.2 Abbreviated terms . 10
3.3 Conventions for representing the definition of a model element . 11
3.3.1 Convention for names . 11
3.3.2 Representation of specific DataElementTypes . 11
3.3.3 Representation of the definition of model elements . 12
3.3.4 Convention for UML notation . 13
4 Definitions of specific DataElementTypes . 13
4.1 General . 13
4.2 ConceptIdentifier . 13
4.3 DataValue . 14
4.4 DateAndTimeOfRelease . 14
4.5 Description . 15
4.6 DETcategory . 15
4.7 DFMdataType . 15
4.8 DictionarySupplierID . 16
4.9 ElementIdentifier . 16
4.10 ItemCode . 16
4.11 LetterSymbol . 17
4.12 ParentModelElement . 17
4.13 PhysicalUnit . 17
4.14 PreferredName . 18
4.15 PSassetIdentifier . 18
4.16 ReferenceToCDEL . 18
4.17 ReferenceToCDELdefinition . 19
4.18 ReferenceToDataElement . 19
4.19 ReferenceToDET . 19
4.20 ReferenceToDFasset . 20
4.21 ReferenceToDFassetClass . 20
4.22 ReferenceToDFassetClassAssociation . 20
4.23 ReferenceToDFassetClassDefinition . 21
4.24 ReferenceToGenericAssociation . 21
4.25 RoleBasedEquipmentIdentifier . 21
4.26 RuleOfRelationship . 22
4.27 SearchSpace . 22
4.28 SupplierName . 22
4.29 SynonymousName . 23
4.30 TechnicalDiscipline . 23
4.31 TimeCreated . 25
4.32 TimeStamp . 25
4.33 ValueQuality . 25
4.34 VersionIdentifier . 26

4.35 VersionNumber . 26
5 Definitions of model elements . 26
5.1 General . 26
5.2 Model elements related to dictionaries . 26
5.2.1 ConceptDictionary . 26
5.2.2 ConceptDictionaryEntry . 28
5.2.3 Model elements related to permissible values . 30
5.3 Model elements related to DataElement . 33
5.3.1 CollectionOfDataElements (CDEL). 33
5.3.2 DataElement . 34
5.4 Model elements related to libraries . 35
5.4.1 Library . 35
5.4.2 LibraryEntry . 35
5.5 Model elements related to DigitalFactory . 43
5.5.1 DigitalFactory . 43
5.5.2 DFasset . 43
5.5.3 DFassetLink . 46
5.5.4 DFassetLinkEndPoint . 47
5.5.5 DFassetAssignment . 47
Annex A (normative) Data type specification . 48
Annex B (normative) Naming correspondence between IEC 62832-1 and IEC 62832-2 . 49
Annex C (informative) Mapping of DF model elements onto different data standards . 51
C.1 Mapping onto IEC 61360 (all parts) and ISO 13584-42 . 51
C.1.1 General . 51
C.1.2 Detailed mapping for ConceptDictionary . 52
C.1.3 Detailed mapping for DFassetClassDefinition . 53
C.1.4 Detailed mapping for CDELdefinition . 53
C.1.5 Detailed mapping for DET . 54
C.2 Mapping onto ISO 22745 (all parts) . 55
C.2.1 General . 55
C.2.2 Detailed mapping for ConceptDictionary . 56
C.2.3 Detailed mapping for DFassetClassDefinition . 56
C.2.4 Detailed mapping for CDELdefinition . 57
C.2.5 Detailed mapping for DET . 57
C.2.6 Detailed mapping for Library . 58
C.2.7 Detailed mapping for DFassetClass . 58
C.2.8 Detailed mapping for DataElement. 59
Annex D (informative) UML model . 60
D.1 ConceptDictionary. 60
D.2 Model elements related to DataElements . 61
D.3 Library . 62
D.4 Digital Factory . 64
Annex E (informative) UML notation . 69
E.1 General . 69
E.2 Class diagram . 69
E.3 Object diagram . 72
Bibliography . 74

– 4 – IEC 62832-2:2020  IEC 2020
Figure A.1 – Data types overview . 48
Figure D.1 – ConceptDictionary and related class definitions and type . 60
Figure D.2 – Permissible values . 61
Figure D.3 – Model elements related to DataElements . 61
Figure D.4 – Library . 62
Figure D.5 – DFassetClass . 62
Figure D.6 – DFassetClass showing origin of definitions . 63
Figure D.7 – DFassetClass for basic types of PS asset . 63
Figure D.8 – Composite DFassetClass . 64
Figure D.9 – A DigitalFactory is a specific type of DFasset . 64
Figure D.10 – DFasset structure . 65
Figure D.11 – Digital Factory example . 66
Figure D.12 – Relationship between DFassets . 66
Figure D.13 – Example: DigitalFactory with composite DFasset . 67
Figure D.14 – Example: DFassetLink and DER . 68
Figure D.15 – Example: DFassetAssignment . 68
Figure E.1 – Note. 69
Figure E.2 – Class . 69
Figure E.3 – Association . 70
Figure E.4 – Composition . 70
Figure E.5 – Alternative representation of composition . 70
Figure E.6 – Aggregation . 70
Figure E.7 – Containment . 70
Figure E.8 – Dependency. 71
Figure E.9 – Abstract class, generalization and interface . 71
Figure E.10 – Multiplicity . 72
Figure E.11 – Association class . 72
Figure E.12 – Class . 72
Figure E.13 – Link. 73
Figure E.14 – Link instantiated from composition . 73
Figure E.15 – Link instantiated from aggregation . 73

Table 1 – Template for representing the definition of specific DataElementTypes . 11
Table 2 – Template for representing the definition of model elements . 12
Table 3 – Definition of ConceptIdentifier . 14
Table 4 – Definition of DataValue . 14
Table 5 – Definition of DateAndTimeOfRelease . 14
Table 6 – Definition of Description . 15
Table 7 – Definition of DETcategory . 15
Table 8 – Definition of DFMdataType . 15
Table 9 – Definition of DictionarySupplierID . 16
Table 10 – Definition of ElementIdentifier . 16
Table 11 – Definition of ItemCode . 16

Table 12 – Definition of LetterSymbol . 17
Table 13 – Definition of ParentModelElement . 17
Table 14 – Definition of PhysicalUnit . 17
Table 15 – Definition of PreferredName . 18
Table 16 – Definition of PSassetIdentifier . 18
Table 17 – Definition of ReferenceToCDEL . 18
Table 18 – Definition of ReferenceToCDELdefinition . 19
Table 19 – Definition of ReferenceToDataElement . 19
Table 20 – Definition of ReferenceToDET . 19
Table 21 – Definition of ReferenceToDFasset . 20
Table 22 – Definition of ReferenceToDFassetClass . 20
Table 23 – Definition of ReferenceToDFassetClassAssociation. 20
Table 24 – Definition of ReferenceToDFassetClassDefinition . 21
Table 25 – Definition of ReferenceToGenericAssociation . 21
Table 26 – Definition of RoleBasedEquipmentIdentifier . 21
Table 27 – Definition of RuleOfRelationship . 22
Table 28 – Definition of SearchSpace . 22
Table 29 – Definition of SupplierName . 22
Table 30 – Definition of SynonymousName . 23
Table 31 – Definition of TechnicalDiscipline . 24
Table 32 – Definition of TimeCreated . 25
Table 33 – Definition of TimeStamp . 25
Table 34 – Definition of ValueQuality . 25
Table 35 – Definition of VersionIdentifier . 26
Table 36 – Definition of VersionNumber . 26
Table 37 – Definition of ConceptDictionary . 27
Table 38 – Definition of DFdictionary . 27
Table 39 – Definition of ConceptDictionaryEntry . 28
Table 40 – Definition of DFassetClassDefinition . 29
Table 41 – Definition of CDELdefinition . 29
Table 42 – Definition of DataElementType . 30
Table 43 – Definition of RangeOfPermissibleValues . 30
Table 44 – Definition of ListOfPermissibleValues . 31
Table 45 – Definition of MaximumPermissibleValue . 31
Table 46 – Definition of MinimumPermissibleValue . 32
Table 47 – Definition of PermissibleValue . 32
Table 48 – Definition of CollectionOfDataElements . 33
Table 49 – Definition of DataElement . 34
Table 50 – Definition of Library . 35
Table 51 – Definition of LibraryEntry . 36
Table 52 – Definition of LibraryEntryHeader . 36
Table 53 – Definition of DFassetClass . 37
Table 54 – Definition of DFassetClassHeader . 37

– 6 – IEC 62832-2:2020  IEC 2020
Table 55 – Definition of DFassetClassBody . 38
Table 56 – Definition of DFassetClassAssociation . 38
Table 57 – Definition of DFassetClassAssociationEndPoint . 39
Table 58 – Definition of GenericAssociation . 39
Table 59 – Definition of GenericAssociationEndPoint . 40
Table 60 – Definition of DataElementRelationship . 40
Table 61 – Definition of DERendPoint . 41
Table 62 – Definition of ViewElement . 41
Table 63 – Definition of DigitalFactory . 43
Table 64 – Definition of DFasset . 43
Table 65 – Definition of DFassetHeader . 44
Table 66 – Definition of DFassetBody . 45
Table 67 – Definition of DFassetLink. 46
Table 68 – Definition of DFassetLinkEndPoint . 47
Table 69 – Definition of DFassetAssignment . 47
Table A.1 – Data types used within the DF framework . 48
Table B.1 – Cross reference table . 49
Table C.1 – Mapping of DF model elements onto IEC 61360 (all parts) and ISO 13584-42 . 51
Table C.2 – Mapping of datatypes . 52
Table C.3 – Detailed mapping of ConceptDictionary. 52
Table C.4 – Detailed mapping of DFassetClassDefinition . 53
Table C.5 – Detailed mapping of CDELdefinition . 53
Table C.6 – Detailed mapping of DET . 54
Table C.7 – Mapping of DF model elements onto ISO 22745 (all parts) . 55
Table C.8 – Detailed mapping of ConceptDictionary. 56
Table C.9 – Detailed mapping of DFassetClassDefinition . 56
Table C.10 – Detailed mapping of CDELdefinition . 57
Table C.11 – Detailed mapping of DET . 57
Table C.12 – Detailed mapping of Library . 58
Table C.13 – Detailed mapping of DFassetClass . 58
Table C.14 – Detailed mapping of DFassetClassHeader . 58
Table C.15 – Detailed mapping of DFassetClassBody . 59
Table C.16 – Detailed mapping of DataElement . 59

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL-PROCESS MEASUREMENT, CONTROL
AND AUTOMATION – DIGITAL FACTORY FRAMEWORK –

Part 2: Model elements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62832-2 has been prepared by IEC technical committee 65:
Industrial-process measurement, control and automation.
The text of this International Standard is based on the following documents:
FDIS Report on voting
65/830/FDIS 65/841/RVD
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the IEC 62832 series, published under the general title, Industrial-process
measurement, control and automation – Digital Factory framework, can be found on the IEC
website.
– 8 – IEC 62832-2:2020  IEC 2020
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
INTRODUCTION
IEC 62832 provides a framework used for establishing and maintaining the digital
representations of production systems, including the representation of the elements of the
production systems and of the relationships between these elements. The framework is
intended also to support the exchange of information about these elements.
The framework aims at reducing the interoperability barriers for exchange of information for the
various activities related to production systems. The main advantages of this method are that
all information related to a production system is described in a standardized manner, and it can
be used and modified through its entire life cycle. The method defined in IEC 62832 is kept as
generic as possible in order to enable its use in several industrial sectors.
While IEC 62832-1 describes the general principles of the DF reference model together with its
most important model elements, this part of IEC 62832 provides a technology-independent
definition of all model elements of the DF reference model.
The intention of this document is to provide a common base for implementation of the DF
framework using different technologies (for example different dictionary technologies and
different engineering data formats). Proposals for such implementations are provided in
Annex C.
The data type specification provided with this document is intended to allow mapping of the DF
framework to different dictionaries.
Two types of templates for representation, namely for specific DataElementTypes and for model
elements, are described in 3.3. Based on these templates, definitions of specific
DataElementTypes are given in Clause 4, and definitions of model elements, using the
DataElementTypes are given in Clause 5.
To allow broad use of the framework, the requirements for these two sets of definitions are kept
as minimal as possible.
If the concepts of DF framework are applied to provide model elements for different engineering
domains, domain-specific data specifications will be used (for example based on IEC 62656-1).

– 10 – IEC 62832-2:2020  IEC 2020
INDUSTRIAL-PROCESS MEASUREMENT, CONTROL
AND AUTOMATION – DIGITAL FACTORY FRAMEWORK –

Part 2: Model elements
1 Scope
This part of IEC 62832 specifies detailed requirements for model elements of the Digital Factory
framework. It defines the nature of the information provided by the model elements, but not the
format of this information.
NOTE General requirements for the main model elements of the DF reference model are specified in IEC 62832-1.
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.
IEC 62832-1:2020, Industrial-process measurement, control and automation – Digital Factory
framework – Part 1: General principles
ISO/IEC 6523 (all parts), Information technology – Structure for the identification of
organizations and organization parts
ISO TS 29002-5:2009, Industrial automation systems and integration – Exchange of
characteristic data – Part 5: Identification scheme
IETF RFC 3986, Uniform Resource Identifier (URI): Generic Syntax, available at
[viewed 2020-07-28]
3 Terms, definitions, symbols, abbreviated terms and conventions
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 62832-1 apply.
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 http://www.iso.org/obp
3.2 Abbreviated terms
For the purposes of this document, the following abbreviated terms apply.
CDEL Collection of Data Elements
DER Data Element Relationship
DET Data Element Type (see IEC 62832-1)
DF Digital Factory (as qualifier)

DLOP Device List of Properties (see IEC 61987-10)
IC Item Code (see IEC 62832-1)
ID Identifier
IRDI International Registration Data Identifier (see ISO TS 29002-5)
LOP List of Properties (see IEC 61987-10)
OLOP Operational List of Properties (see IEC 61987-10)
PS Production System (as qualifier)
RAI Registration Authority Identifier (see ISO/IEC 6523)
UML Unified Modeling Language (see ISO/IEC 19505-1)
URI Uniform Resource Identifier (see IETF RFC 3986)
VI Version Identifier (see IEC 62832-1)
NOTE 1 The abbreviated term DF is only used as a qualifier for model elements specified in this document. It is not
understood as a replacement for the Digital Factory concept defined in IEC 62832-1:2020, 3.1.19.
NOTE 2 The abbreviated term PS is only used as a qualifier for model elements specified in this document. It is not
understood as a replacement for the production system concept defined in IEC 62832-1:2020, 3.1.24.
3.3 Conventions for representing the definition of a model element
3.3.1 Convention for names
While IEC 62832-1 is using general names for describing the concepts, IEC 62832-2 and
IEC 62832-3 define more formal requirements. In order to clearly identify the names of the
model elements, the documents IEC 62832-2 and IEC 62832-3 use ‘PascalCase’ for names.
A help for matching the names between IEC 62832-1 and IEC 62832-2 is provided in Table B.1
(see Annex B).
3.3.2 Representation of specific DataElementTypes
The template used in this document for representing the definition of specific
DataElementTypes of the DF reference model is specified in Table 1.
NOTE Definitions in this document are independent of actual definitions of model elements in any specific
dictionary.
Table 1 – Template for representing the definition of specific DataElementTypes
ItemCode
VersionIdentifier
PreferredName
DFMdataType
Description
Table 1 shows the mandatory fields for defining a specific DataElementType. Optionally,
additional fields may be provided (for example SynonymousName, LetterSymbol,
RangeOfPermissibleValues, PhysicalUnit and DETcategory).
Each shaded cell indicates the name of a corresponding field (the value of the field is shown as
unshaded cell).
– 12 – IEC 62832-2:2020  IEC 2020
The template provides the definition of a specific DataElementType (identity and meaning). It
is formatted as fields with respective values. Because the template is intended to be used when
the specific DataElementTypes are registered in a ConceptDictionary, the fields use names of
model elements defined in this document.
A specific DataElementType is defined by providing data in the relevant fields (i.e. the table is
filled). A "-" in an unshaded cell indicates that the field is not applicable to the definition of the
specific DataElementType.
3.3.3 Representation of the definition of model elements
The template used in this document for representing the definition of model elements of the DF
reference model is specified in Table 2.
Table 2 – Template for representing the definition of model elements
ItemCode
VersionIdentifier
PreferredName
LetterSymbol
Description
ParentModelElement
Structure
Structure element I/R Cardinality Conditions Remarks

The upper part of the template provides the definition of a model element (identity and
meaning). It is formatted as fields with respective values. Because these fields are intended to
be used accordingly when the model elements will be registered in a ConceptDictionary, the
fields use names of model elements defined in this document. The ItemCode and
VersionIdentifier fields can be used to uniquely identify a model elem
...