ISO 10303-28:2007
(Main)Industrial automation systems and integration — Product data representation and exchange — Part 28: Implementation methods: XML representations of EXPRESS schemas and data, using XML schemas
Industrial automation systems and integration — Product data representation and exchange — Part 28: Implementation methods: XML representations of EXPRESS schemas and data, using XML schemas
ISO 10303-28:2007 specifies the way in which an XML representation described by an XML schema can be used in the exchange of data that is described by an EXPRESS schema.
Systèmes d'automatisation industrielle et intégration — Représentation et échange de données de produits — Partie 28: Méthodes d'implémentation: représentations XML de schémas et de données EXPRESS en utilisant des schémas XML
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INTERNATIONAL ISO
STANDARD 10303-28
First edition
2007-10-01
Industrial automation systems and
integration — Product data
representation and exchange —
Part 28:
Implementation methods: XML
representations of EXPRESS schemas
and data, using XML schemas
Systèmes d'automatisation industrielle et intégration — Représentation
et échange de données de produits —
Partie 28: Méthodes d'implémentation: représentations XML de
schémas et de données EXPRESS en utilisant des schémas XML
Reference number
©
ISO 2007
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
© ISO 2007
All rights reserved. Unless otherwise specified, 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 either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2007 – All rights reserved
Contents Page
1 Scope. 1
2 Normative references. 1
3 Terms, definitions, abbreviations, and conventions . 2
3.1 Terms defined in ISO 10303-1. 2
3.2 Terms defined in ISO 10303-11. 2
3.3 Terms defined in the XML Standards. 4
3.4 Other terms and definitions. 5
3.5 Conflicting terminology. 7
3.6 Abbreviations. 7
3.7 Conventions . 7
3.7.1 Text conventions. 8
3.7.2 Namespace conventions. 8
4 Conformance. 8
4.1 Conformance of an XML document . 9
4.1.1 Conformance of an iso-10303-28 document. 9
4.1.2 Conformance of a uos document . 10
4.1.3 Conformance of a configured document . 10
4.2 Conformance of a derived XML schema document . 10
4.3 Conformance of a configuration file. 11
4.4 Conformance of a pre-processor . 11
4.5 Conformance of a post-processor. 12
4.6 Conformance of an XML schema generator. 12
5 Document level elements. 12
5.1 The iso-10303-28 document . 13
5.2 Document and uos header information . 14
5.2.1 The exp:header element. 14
5.2.2 The name element. 15
5.2.3 The time_stamp element. 15
5.2.4 The author element . 15
5.2.5 The organization element. 15
5.2.6 The authorization element . 15
5.2.7 The originating_system element. 15
5.2.8 The preprocessor_version element . 15
5.3 The schema_population element . 15
5.4 The express element . 17
5.4.1 By-reference representation of an EXPRESS schema. 18
5.4.2 By-value representation of an EXPRESS schema. 18
5.5 The configuration element. 18
5.6 The unit of serialization element. 18
5.7 The uos document . 20
5.8 The configured document . 20
5.9 Enterprise data objects . 20
6 Derived XML Schema. 20
6.1 Preconditions. 21
6.2 Unmapped EXPRESS concepts . 21
6.3 Abstract entity data types. 21
©ISO 2007 - All rights reserved iii
7 Default XML Schema Binding. 22
7.1 Naming conventions . 22
7.1.1 Schema. 22
7.1.2 EXPRESS identifiers . 22
7.1.3 Data types . 22
7.2 XML Schema data types corresponding to EXPRESS data types . 22
7.2.1 EXPRESS simple data types. 23
7.2.2 Aggregation data types . 30
7.2.3 Constructed data types. 44
7.2.4 Defined data types . 45
7.2.5 ENTITY data types. 45
7.3 XML Schema definitions and declarations for EXPRESS defined data types . 45
7.3.1 Simple underlying types . 46
7.3.2 Aggregate underlying types. 47
7.3.3 ENUMERATION underlying types . 48
7.3.4 SELECT underlying types. 49
7.3.5 Defined data type underlying type. 53
7.4 Instance elements corresponding to EXPRESS data types . 54
7.4.1 Instance elements for simple data types. 55
7.4.2 Instance elements for anonymous aggregation data types. 59
7.4.3 Instance elements for defined data types . 62
7.4.4 Instance elements for entity data types . 63
7.4.5 Instance element attributes. 63
7.4.6 Referenceable instances. 64
7.5 XML Schema definitions and declarations for EXPRESS entity data types . 64
7.5.1 Type graph associated with the EXPRESS entity data type . 65
7.5.2 Complex entity instances. 66
7.5.3 Base XML data types and elements for EXPRESS entity data types. 66
7.5.4 XML data type definitions for entity data types . 69
7.5.5 Instance elements corresponding to entity data types. 71
7.5.6 XML groups corresponding to entity data types. 72
7.5.7 Single entity value elements corresponding to entity data types . 75
7.5.8 Proxy elements corresponding to entity data types. 77
7.5.9 XML Uniqueness constraints for entity data types. 78
7.6 XML Schema declarations for EXPRESS attributes . 79
7.6.1 Accessor element and attribute naming . 79
7.6.2 EXPRESS attributes mapped to XML schema. 80
7.6.3 Accessor elements . 81
7.7 XML Schema and namespaces for EXPRESS Schema. 86
7.7.1 Namespace prefixes . 86
7.7.2 URI for the target namespace of the derived XML schema . 87
7.7.3 Namespace declarations for the derived XML schema . 88
7.7.4 Import declarations for the derived XML schema. 88
7.8 Context-schema specific unit of serialization . 89
8 Configured XML Schema Binding. 91
8.1 Naming conventions . 91
8.1.1 Schema. 91
8.1.2 EXPRESS identifiers . 91
8.1.3 Data types . 91
8.2 XML Schema data types corresponding to EXPRESS data types . 92
8.2.1 EXPRESS simple data types. 92
8.2.2 Aggregation data types . 97
8.2.3 Constructed data types. 108
8.2.4 Defined data types . 108
iv ©ISO 2007 - All rights reserved
ISO
...
INTERNATIONAL ISO
STANDARD 10303-28
First edition
2007-10-01
Industrial automation systems and
integration — Product data
representation and exchange —
Part 28:
Implementation methods: XML
representations of EXPRESS schemas
and data, using XML schemas
Systèmes d'automatisation industrielle et intégration — Représentation
et échange de données de produits —
Partie 28: Méthodes d'implémentation: représentations XML de
schémas et de données EXPRESS en utilisant des schémas XML
Reference number
©
ISO 2007
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
© ISO 2007
All rights reserved. Unless otherwise specified, 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 either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2007 – All rights reserved
Contents Page
1 Scope. 1
2 Normative references. 1
3 Terms, definitions, abbreviations, and conventions . 2
3.1 Terms defined in ISO 10303-1. 2
3.2 Terms defined in ISO 10303-11. 2
3.3 Terms defined in the XML Standards. 4
3.4 Other terms and definitions. 5
3.5 Conflicting terminology. 7
3.6 Abbreviations. 7
3.7 Conventions . 7
3.7.1 Text conventions. 8
3.7.2 Namespace conventions. 8
4 Conformance. 8
4.1 Conformance of an XML document . 9
4.1.1 Conformance of an iso-10303-28 document. 9
4.1.2 Conformance of a uos document . 10
4.1.3 Conformance of a configured document . 10
4.2 Conformance of a derived XML schema document . 10
4.3 Conformance of a configuration file. 11
4.4 Conformance of a pre-processor . 11
4.5 Conformance of a post-processor. 12
4.6 Conformance of an XML schema generator. 12
5 Document level elements. 12
5.1 The iso-10303-28 document . 13
5.2 Document and uos header information . 14
5.2.1 The exp:header element. 14
5.2.2 The name element. 15
5.2.3 The time_stamp element. 15
5.2.4 The author element . 15
5.2.5 The organization element. 15
5.2.6 The authorization element . 15
5.2.7 The originating_system element. 15
5.2.8 The preprocessor_version element . 15
5.3 The schema_population element . 15
5.4 The express element . 17
5.4.1 By-reference representation of an EXPRESS schema. 18
5.4.2 By-value representation of an EXPRESS schema. 18
5.5 The configuration element. 18
5.6 The unit of serialization element. 18
5.7 The uos document . 20
5.8 The configured document . 20
5.9 Enterprise data objects . 20
6 Derived XML Schema. 20
6.1 Preconditions. 21
6.2 Unmapped EXPRESS concepts . 21
6.3 Abstract entity data types. 21
©ISO 2007 - All rights reserved iii
7 Default XML Schema Binding. 22
7.1 Naming conventions . 22
7.1.1 Schema. 22
7.1.2 EXPRESS identifiers . 22
7.1.3 Data types . 22
7.2 XML Schema data types corresponding to EXPRESS data types . 22
7.2.1 EXPRESS simple data types. 23
7.2.2 Aggregation data types . 30
7.2.3 Constructed data types. 44
7.2.4 Defined data types . 45
7.2.5 ENTITY data types. 45
7.3 XML Schema definitions and declarations for EXPRESS defined data types . 45
7.3.1 Simple underlying types . 46
7.3.2 Aggregate underlying types. 47
7.3.3 ENUMERATION underlying types . 48
7.3.4 SELECT underlying types. 49
7.3.5 Defined data type underlying type. 53
7.4 Instance elements corresponding to EXPRESS data types . 54
7.4.1 Instance elements for simple data types. 55
7.4.2 Instance elements for anonymous aggregation data types. 59
7.4.3 Instance elements for defined data types . 62
7.4.4 Instance elements for entity data types . 63
7.4.5 Instance element attributes. 63
7.4.6 Referenceable instances. 64
7.5 XML Schema definitions and declarations for EXPRESS entity data types . 64
7.5.1 Type graph associated with the EXPRESS entity data type . 65
7.5.2 Complex entity instances. 66
7.5.3 Base XML data types and elements for EXPRESS entity data types. 66
7.5.4 XML data type definitions for entity data types . 69
7.5.5 Instance elements corresponding to entity data types. 71
7.5.6 XML groups corresponding to entity data types. 72
7.5.7 Single entity value elements corresponding to entity data types . 75
7.5.8 Proxy elements corresponding to entity data types. 77
7.5.9 XML Uniqueness constraints for entity data types. 78
7.6 XML Schema declarations for EXPRESS attributes . 79
7.6.1 Accessor element and attribute naming . 79
7.6.2 EXPRESS attributes mapped to XML schema. 80
7.6.3 Accessor elements . 81
7.7 XML Schema and namespaces for EXPRESS Schema. 86
7.7.1 Namespace prefixes . 86
7.7.2 URI for the target namespace of the derived XML schema . 87
7.7.3 Namespace declarations for the derived XML schema . 88
7.7.4 Import declarations for the derived XML schema. 88
7.8 Context-schema specific unit of serialization . 89
8 Configured XML Schema Binding. 91
8.1 Naming conventions . 91
8.1.1 Schema. 91
8.1.2 EXPRESS identifiers . 91
8.1.3 Data types . 91
8.2 XML Schema data types corresponding to EXPRESS data types . 92
8.2.1 EXPRESS simple data types. 92
8.2.2 Aggregation data types . 97
8.2.3 Constructed data types. 108
8.2.4 Defined data types . 108
iv ©ISO 2007 - All rights reserved
ISO
...
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