IEC 61360-2:1998

INTERNATIONAL IEC
STANDARD
61360-2
First edition
1998-04
Standard data element types
with associated classification scheme
for electric components –
Part 2:
EXPRESS Dictionary schema
Types normalisés d’éléments de données
avec plan de classification
pour composants électriques –
Partie 2:
Schéma d’un dictionnaire EXPRESS

Reference number
Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the

60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are

available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the

base publication, the base publication incorporating amendment 1 and the base
publication incorporating amendments 1 and 2.

Validity of this publication
The technical content of IEC publications is kept under constant review by the IEC,
thus ensuring that the content reflects current technology.
Information relating to the date of the reconfirmation of the publication is available
in the IEC catalogue.
Information on the subjects under consideration and work in progress undertaken by
the technical committee which has prepared this publication, as well as the list of
publications issued, is to be found at the following IEC sources:
• IEC web site*
• Catalogue of IEC publications
Published yearly with regular updates
(On-line catalogue)*
• IEC Bulletin
Available both at the IEC web site* and as a printed periodical
Terminology, graphical and letter symbols
For general terminology, readers are referred to IEC 60050: International
Electrotechnical Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for
general use, readers are referred to publications IEC 60027: Letter symbols to be
used in electrical technology, IEC 60417: Graphical symbols for use on equipment.
Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols
for diagrams.
* See web site address on title page.

INTERNATIONAL IEC
STANDARD
61360-2
Second edition
2002-02
Standard data element types with associated
classification scheme for electric components –
Part 2:
EXPRESS dictionary schema
Types normalisés d'éléments de données avec plan
de classification pour composants électriques –
Partie 2:
Schéma d'un dictionnaire EXPRESS

 IEC 2002  Copyright - all rights reserved
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 the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
Commission Electrotechnique Internationale
PRICE CODE
XC
International Electrotechnical Commission
For price, see current catalogue

– 2 – 61360-2 © IEC:1998(E)
CONTENTS
Page
FOREWORD . 6

Clause
1 General . 7

1.1 Scope and object . 7

1.2 Normative references . 8

2 Definitions . 9

3 Abbreviations . 10

4 Overview of the common dictionary schema and compatibility with ISO 13584 . 10
4.1 Use of the common dictionary schema to exchange IEC 61360-1 compliant data . 10
4.2 Compatibility with ISO 13584-42 . 11
4.3 Naming correspondence between IEC 61360-1 and IEC 61360-2 . 11
4.4 Main structure of the common dictionary schema . 12
5 ISO13584_IEC61360_dictionary_schema . 12
5.1 References to other schemata . 12
5.2 Constant definitions . 13
5.3 Basic Semantic Units: defining and using the dictionary . 13
5.3.1 Requirements for exchange . 13
5.3.2 Three level architecture of the dictionary data . 14
5.3.2.1 basic_semantic_unit . 15
5.3.2.2 dictionary_element . 16
5.3.2.3 content_item . 17
5.3.3 Overview of basic semantic units and dictionary elements . 17
5.3.4 Identification of dictionary elements: three-level structure . 18
5.3.5 Extension possibilities for other types of data . 18
5.3.5.1 supplier_related_BSU . 18
5.3.5.2 class_related_BSU . 18
5.3.5.3 supplier_BSU_relationship . 18
5.3.5.4 class_BSU_relationship . 19
5.4 Supplier data . 19
5.4.1 supplier_BSU . 20
5.4.2 supplier_element . 20
5.5 Class data . 21
5.5.1 General . 21
5.5.1.1 class_BSU . 22
5.5.1.2 class_and_property_elements . 23
5.5.1.3 class . 23
5.5.2 item_class . 25
5.5.3 component_class . 26
5.5.4 material_class . 26
5.6 Data Element Type / properties data . 26
5.6.1 property_BSU . 26
5.6.2 property_DET . 27

61360-2 © IEC:1998(E) – 3 –
Clause Page
5.6.3 Condition, dependent and non-dependent Data Element Types . 29

5.6.3.1 condition_DET . 29

5.6.3.2 dependent_DET . 29

5.6.3.3 non-dependent_DET . 30

5.6.4 Class_valued properties . 30

5.7 Domain data: the type system . 31

5.7.1 General . 31

5.7.1.1 data_type_BSU . 31

5.7.1.2 data_type_element . 32

5.7.2 The type system . 32
5.7.2.1 data_type . 32
5.7.2.2 simple_type . 33
5.7.2.3 number_type . 33
5.7.2.4 int_type. 33
5.7.2.5 int_measure_type. 34
5.7.2.6 int_currency_type . 34
5.7.2.7 non_quantitative_int_type . 34
5.7.2.8 real_type . 35
5.7.2.9 real_measure_type . 35
5.7.2.10 real_currency_type . 35
5.7.2.11 boolean_type . 36
5.7.2.12 string_type . 36
5.7.2.13 non_quantitative_code_type . 36
5.7.2.14 complex_type . 36
5.7.2.15 level_type . 37
5.7.2.16 level . 37
5.7.2.17 class_instance_type . 37
5.7.2.18 entity_instance_type . 38
5.7.2.19 placement_type . 38
5.7.2.20 axis1_placement_type . 38
5.7.2.21 axis2_placement_2d_type . 39
5.7.2.22 axis2_placement_3d_type . 39

5.7.2.23 named_type . 39
5.7.3 Values . 40
5.7.3.1 value_domain . 40
5.7.3.2 value_code . 41
5.7.3.3 dic_value . 41
5.7.4 Extension to ISO 10303-41 unit definitions . 42
5.7.4.1 non_si_unit . 42
5.7.4.2 assert_ONEOF rule . 42
5.7.4.3 dic_unit . 42

– 4 – 61360-2 © IEC:1998(E)
Clause Page
5.8 Basic type and entity definitions. 43

5.8.1 Basic type definitions . 43

5.8.1.1 class_code_type . 43

5.8.1.2 code_type . 43

5.8.1.3 currency_code . 44

5.8.1.4 date_type . 44

5.8.1.5 definition_type . 44

5.8.1.6 DET_classification_type . 45

5.8.1.7 data_type_code_type . 45

5.8.1.8 note_type . 45
5.8.1.9 pref_name_type . 45
5.8.1.10 property_code_type . 46
5.8.1.11 remark_type . 46
5.8.1.12 revision_type . 46
5.8.1.13 short_name_type . 46
5.8.1.14 supplier_code_type . 47
5.8.1.15 syn_name_type . 47
5.8.1.16 value_code_type . 47
5.8.1.17 value_format_type .
...