IEC 61360-1:2017

IEC 61360-1 ®
Edition 4.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
HORIZONTAL STANDARD
NORME HORIZONTALE
Standard data element types with associated classification scheme –
Part 1: Definitions – Principles and methods

Types normalisés d’éléments de données avec plan de classification –
Partie 1: Définitions – Principes et méthodes

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IEC 61360-1 ®
Edition 4.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
HORIZONTAL STANDARD
NORME HORIZONTALE
Standard data element types with associated classification scheme –

Part 1: Definitions – Principles and methods

Types normalisés d’éléments de données avec plan de classification –

Partie 1: Définitions – Principes et méthodes

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.020 ISBN 978-2-8322-4581-1

– 2 – IEC 61360-1:2017 © IEC 2017
CONTENTS
FOREWORD . 10
INTRODUCTION . 12
1 Scope . 13
2 Normative references . 13
3 Terms, definitions and abbreviated terms . 14
3.1 Terms and definitions . 14
3.2 Abbreviated terms . 20
4 Foundation for the concepts of IEC 61360 standard dictionaries . 20
5 Dictionary identification . 22
5.1 General . 22
5.2 Dictionary_supplier . 22
5.3 Code . 22
5.4 Version_number . 23
5.5 Date_of_current_version . 23
5.6 Revision_number . 23
6 Property . 24
6.1 Overview. 24
6.2 Specification of information object . 27
6.3 Data_element_type_class . 28
6.4 Depends_on . 29
6.5 Formula . 29
6.6 Preferred_letter_symbol . 30
6.7 Synonymous_letter_symbol . 30
6.8 Attributes internal to Property . 30
6.9 Code_of_alternative_unit . 31
6.10 Code_of_list_of_units . 31
6.11 Code_of_unit . 32
6.12 Definition_class . 32
6.13 Drawing_reference . 32
7 Identifying_attributes . 32
7.1 Overview. 32
7.2 Specification of information object . 33
7.3 Code . 34
7.4 Preferred_name . 35
7.5 Revision_number . 35
7.6 Short_name . 36
7.7 Synonymous_name . 36
7.8 Version_number . 36
8 Semantic_attributes . 37
8.1 Overview. 37
8.2 Specification of information object . 37
8.3 Definition . 37
8.4 Note . 39
8.5 Remark . 39
8.6 Source_document_of_definition . 39
9 Administrative_attributes . 40

9.1 Overview. 40
9.2 Specification of information object . 40
9.3 Obsolete_date . 40
9.4 Proposal_date . 40
9.5 Published_in . 41
9.6 Published_by . 41
9.7 Responsible_committee . 41
9.8 Revision_released_on . 42
9.9 Status_level . 42
9.10 Version_initiated_on . 43
9.11 Version_released_on . 43
10 Value_attributes . 43
10.1 Overview. 43
10.2 Specification of information object . 44
10.3 Alternative_units_of_measure . 44
10.4 Data_type . 45
10.4.1 General . 45
10.4.2 Simple type . 46
10.4.3 Enumeration type . 51
10.4.4 Class instance type . 52
10.4.5 Class reference type . 53
10.4.6 Aggregate type . 53
10.4.7 Level type . 55
10.4.8 Large object type . 56
10.4.9 Placement type . 56
10.4.10 Data type dependencies . 57
10.5 Number_of_significant_digits . 59
10.6 Referenced_class_identifier . 60
10.7 Unit_of_measure . 60
10.8 Value_format . 61
11 Condition_property . 63
11.1 Specification of information object . 63
11.2 Property_data_element_type . 64
12 Dependent_condition_property . 64
12.1 Specification of information object . 64
12.2 Depends on . 65
12.3 Property_data_element_type . 65
13 Dependent_property . 66
13.1 Specification of information object . 66
13.2 Depends on . 66
13.3 Property_data_element_type . 67
14 Non_dependent_property . 67
14.1 Specification of information object . 67
14.2 Property_data_element_type . 67
15 Translation_information . 68
15.1 Specification of information object . 68
15.2 Date_of_current_translation_revision . 68
15.3 Language_code . 68

– 4 – IEC 61360-1:2017 © IEC 2017
15.4 Responsible_translator . 69
15.5 Responsible_translator_coded . 69
15.6 Translation_revision . 69
16 Value_list . 70
16.1 Specification of information object . 70
16.2 Attributes internal to Value_list . 71
16.3 Definition_class . 71
16.4 Enumerated_list_of_terms . 72
17 Term . 72
17.1 Specification of information object . 72
17.2 Preferred_letter_symbol_in_text . 73
17.3 Attributes internal to Term . 73
17.4 Definition_class . 73
18 Drawing . 73
18.1 Information model . 73
18.2 Specification of information object . 74
18.3 Code . 75
18.4 Descriptive_designator . 75
18.5 Drawing_title . 76
18.6 File_format . 76
18.7 File_name . 77
18.8 Revision_number . 77
18.9 Version_number . 78
18.10 Attributes internal to Drawing . 78
19 Unit of measure . 78
19.1 Overview. 78
19.2 Specification of information object . 79
19.3 Primary_unit . 80
19.4 Unit_in_text . 80
19.5 Unit_XML . 80
19.6 Attributes internal to Unit_of_measure . 81
19.7 Drawing_reference . 81
20 Creation of language variants . 81
20.1 Overview. 81
20.2 Language-dependent attributes of a Property . 81
20.3 Language-dependent attributes of an Item_class . 82
20.4 Language-dependent attributes of a Drawing . 82
20.5 Language-dependent attributes of a Unit_of_measure . 82
20.6 Language-dependent attributes of a Relation . 82
21 Item_class . 82
21.1 Classification tree . 82
21.2 Composition tree . 85
21.3 Use of auxiliary schemes for classification and coding of values . 86
21.4 Information model . 87
21.5 Specification of information object . 87
21.6 Class_type . 88
21.7 Coded_name . 89
21.8 Attributes internal to Item_class . 89

21.9 Applicable_data_element_type . 89
21.10 Applicable_relation . 90
21.11 Classifying_data_element_type . 90
21.12 Drawing_reference . 91
21.13 Is_case_of . 91
21.14 Superclass . 91
22 Relation . 92
22.1 Overview. 92
22.2 Specification of information object . 93
22.3 External_solver_for_the_formula . 93
22.4 Formula . 94
22.5 Language_for_formula_interpretation . 95
22.6 Relation type. 95
22.7 Role_of_the_relation . 95
22.8 Attributes internal to Relation . 97
22.9 Definition_class . 98
22.10 Codomain_of_function . 98
22.11 Domain_of_function . 98
22.12 Domain_of_relation . 99
22.13 Drawing_reference . 99
22.14 Super_relation . 99
23 Dictionary_element . 99
24 Advanced concepts . 100
24.1 Overview. 100
24.2 Condition . 100
24.3 Reuse of properties . 104
24.4 Classes and properties for common use . 106
24.5 Block . 107
24.6 Cardinality . 109
24.7 Polymorphism . 111
24.7.1 Overview . 111
24.7.2 Polymorphic choices directly assigned to the specified Item_class . 112
24.7.3 Polymorphic choices assigned to the specified Item_class through a
Value_list . 114
24.8 Relation . 116
24.8.1 Overview . 116
24.8.2 Restricted enumeration . 116
24.8.3 Grouping . 118
25 Qualifiers . 119
26 Characters and character sets . 120
26.1 Overview. 120
26.2 Recommended character sets . 120
26.3 Line feed . 120
26.4 Subscript . 120
26.5 Superscript . 121
26.6 Greek characters . 121
Annex A (informative) Data model . 123
Annex B (normative) Type classification codes of properties . 128

– 6 – IEC 61360-1:2017 © IEC 2017
B.1 Property classification . 128
B.1.1 Overview . 128
B.1.2 Principles . 128
B.1.3 Quantitative Property information objects . 128
B.1.4 Non-quantitative Property information objects . 130
B.2 Survey of type classification codes for non-quantitative properties . 130
B.3 Survey of type classification codes for quantitative properties . 131
Annex C (informative) Preparation of new classes and properties . 141
C.1 Responsibilities . 141
C.2 Recommended elements of data set . 141
Annex D (informative) Rules for defining new versions and revisions of dictionary
elements . 142
D.1 Changes in the attributes of Property information objects . 142
D.2 Changes in the attributes of class information objects . 144
Annex E (informative) Classifying_data_element_type attribute . 145
Annex F (informative) Conventions for names and definitions . 146
F.1 Conventions for writing definitions . 146
F.1.1 General . 146
F.1.2 ISO/IEC 11179-4 . 146
F.1.3 ISO 704 . 146
F.1.4 Additional conventions . 147
F.2 Conventions for writing names . 147
F.2.1 Requirements . 147
F.2.2 Recommendations . 147
F.2.3 Mechanical quantitative property names . 147
F.2.4 Electrical quantitative property names . 147
F.2.5 Non-quantitative property names . 148
Annex G (normative) Value format specification . 149
G.1 General . 149
G.2 Notation . 149
G.3 Data value format types . 151
G.4 Meta-identifier used to define the formats . 151
G.5 Quantitative value formats . 151
G.5.1 General . 151
G.5.2 NR1-value format . 151
G.5.3 NR2-value format . 152
G.5.4 NR3-value format . 152
G.5.5 NR4-value format . 153
G.6 Non-quantitative value formats . 154
G.6.1 General . 154
G.6.2 Alphabetic value format . 154
G.6.3 Mixed characters value format . 155
G.6.4 Number value format . 155
G.6.5 Mixed alphabetic or numeric characters value format . 156
G.6.6 Binary value format . 156
G.7 HTML5 format . 156
G.8 Value examples . 157
Annex H (informative) Modelling notation . 158

H.1 General . 158
H.2 UML Class . 158
H.3 Generalization . 158
H.4 Simple association . 158
H.5 Modularization with UML package . 159
Bibliography . 161

Figure 1 – Simplified model of IEC 61360-1 (UML class diagram) . 21
Figure 2 – Overview model for Characteristic (UML class diagram) . 27
Figure 3 – Property (UML class diagram) . 28
Figure 4 – Identifying attributes (UML class diagram) . 34
Figure 5 – Semantic attributes (UML class diagram) . 37
Figure 6 – Administrative_attributes (UML class diagram) . 40
Figure 7 – Value_attributes (UML class diagram) . 44
Figure 8 – Examples for technical data associated with connecting lines . 46
Figure 9 – Condition_property (UML class diagram) . 64
Figure 10 – Dependent_condition_property (UML class diagram) . 65
Figure 11 – Dependent_property (UML class diagram) . 66
Figure 12 – Non_dependent_property (UML class diagram) . 67
Figure 13 – Translation_information (UML class diagram) . 68
Figure 14 – Value_list (UML class diagram) . 71
Figure 15 – Term (UML class diagram) . 72
Figure 16 – Overview model for Drawing concept (UML class diagram) . 74
Figure 17 – Drawing (UML class diagram) . 75
Figure 18 – Overview model for Measure concept (UML class diagram) . 79
Figure 19 – Unit_of_measure (UML class diagram) . 80
Figure 20 – Classification tree . 83
Figure 21 – Composition tree . 86
Figure 22 – Overview model for Concept_data (UML class diagram) . 87
Figure 23 – Item_class (UML class diagram) . 88
Figure 24 – Overview model for Relation concept (UML class diagram) . 92
Figure 25 – Relation (UML class diagram) . 93
Figure 26 – Dictionary_element (UML class diagram) . 100
Figure 27 – Working point of a fuse . 101
Figure 28 – Implementation in IEC 62656-1 spreadsheet format of the example in
Figure 27 . 102
Figure 29 – (a) Dynamic gain and noise figure measurement setup, and (b)
measurement with a saturation wavelength of 1 550 nm . 103
Figure 30 – Implementation in IEC 62656-1 spreadsheet format of the example in
Figure 29 . 104
Figure 31 – Reuse of properties (IEC 62656-1 spreadsheet format) . 105
Figure 32 – Use of class information objects to associate toleranced capacitance
information to a fixed capacitor (IEC 62656-1 spreadsheet format) . 107
Figure 33 – Interpretation of Class and Property information objects forming a block . 108
Figure 34 – Example of a block (IEC 62656-1 spreadsheet format) . 109

– 8 – IEC 61360-1:2017 © IEC 2017
Figure 35 – Interpretation of Class and Property information objects forming
cardinality . 110
Figure 36 – Example for a block whose number of occurrences is limited through
PAA506 (IEC 62656-1 spreadsheet format) . 111
Figure 37 – Interpretation of Class and Property information objects forming a
polymorphism . 112
Figure 38 – Polymorphic choices directly assigned to the specified Item_class
(IEC 62656-1 spreadsheet format) . 113
Figure 39 – Polymorphic choices assigned to the specified class through a value list
(IEC 62656-1 spreadsheet format) . 115
Figure 40 – Example – Restricted enumeration (IEC 62656-1 spreadsheet format) . 117
Figure 41 – Example – List of units for measuring the gap width of a labyrinth seal . 118
Figure 42 – Example – Information objects of Figure 41 (IEC 62656-1 spreadsheet
format) . 119
Figure A.1 – Characteristic (UML class diagram) . 124
Figure A.2 – Drawing concept (UML class diagram) . 125
Figure A.3 – Category (UML class diagram) . 125
Figure A.4 – Measure concept (UML class diagram) . 126
Figure A.5 – Relation concept (UML class diagram) . 126
Figure A.6 – Value list concept (UML class diagram) . 127
Figure H.1 – Example for generalization . 158
Figure H.2 – Example of an association . 159
Figure H.3 – Example of an association to a UML class owned by another UML
package . 159
Figure H.4 – Division of the IEC 61360-1 model into modules . 160

Table 1 – Examples of generic concepts for individual quantities . 19
Table 2 – List of attributes of Property information objects as defined in IEC 61360-1
and their equivalent in IEC 61360-2 . 25
Table 3 – Globally unique identification . 33
Table 4 – Data type dependencies . 59
Table 5 – List of attributes of Drawing . 74
Table 6 – List of
...