2 Normative references

The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 10303. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO 10303 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.

• IEC 61360, Standard data elements for electrical components.
• ISO 10303-1, Industrial automation systems and integration - Product data representation and exchange - Part 1: Overview and fundamental principles.
• ISO 10303-11, Industrial automation systems and integration - Product data representation and exchange - Part 11: Description methods: The EXPRESS language reference manual.
• ISO 10303-21, Industrial automation systems and integration - Product data representation and exchange - Part 21: Clear text encoding of the exchange structure.
• ISO 10303-31, Industrial automation systems and integration - Product data representation and exchange - Part 31: Conformance testing methodology and framework: General concepts.
• ISO 10303-41, Industrial automation systems and integration - Product data representation and exchange - Part 41: Integrated generic resource: Fundamentals of product description and support.
• ISO 10303-104, Industrial automation systems and integration - Product data representation and exchange - Part 104: Integrated application resource: Finite element analysis.

3 Terms, definitions, and abbreviations

3.1 Terms defined in ISO 10303-1

This part of ISO 10303 makes use of the following terms defined in ISO 10303-1.

• application;
• application protocol;
• integrated resource;
• product;

3.2 Terms defined in this part of ISO 10303

3.2.1
property
characteristic
physical quantity that can be observed or measured, or deduced from observations or measurements

NOTE - A property is a class that a physical thing is can be a member of. Whether or not a physical thing is a member of the class is determined by observation or measurement.

NOTE - Both relative and absolute time are properties. Both relative and absolute position are properties.

3.2.2
independent property definition
property value
magnitude or nature of a property

3.3 Abbreviations