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STANDARD 19450
First edition
Automation systems and
integration — Object-Process
Methodology
Systèmes d'automatisation et intégration — Object-Process
Methodology
PROOF/ÉPREUVE
Reference number
ISO 19450:2023(E)
© ISO 2023
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ISO 19450:2023(E)
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© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
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PROOF/ÉPREUVE © ISO 2023 – All rights reserved
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ISO 19450:2023(E)
Contents Page
Foreword . vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 9
5 Conformance .10
6 Object-Process Methodology (OPM) principles and concepts .11
6.1 OPM modelling principles . 11
6.1.1 Modelling as a purpose-serving activity . 11
6.1.2 Unification of function, structure, and behaviour . 11
6.1.3 Identify functional value . 11
6.1.4 Function versus behaviour.12
6.1.5 System boundary setting .12
6.1.6 Clarity and completeness trade-off .12
6.2 OPM fundamental concepts .12
6.2.1 Bimodal representation .12
6.2.2 OPM modelling elements . 13
6.2.3 OPM things: objects and processes . 13
6.2.4 OPM links: procedural and structural . 14
6.2.5 OPM context management . 14
6.2.6 OPM model implem
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