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immediate downloadReleased: 2019-04-10
IEC 61158-5-21:2019
Industrial communication networks - Fieldbus specifications - Part 5-21: Application layer service definition - Type 21 elements
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 5-21: Définition des services de la couche application - Éléments de type 21
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English PDF
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394.20 EUR
English Hardcopy
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English/French - Bilingual PDF
Immediate download
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394.20 EUR
English/French - Bilingual Hardcopy
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| Standard number: | IEC 61158-5-21:2019 | 
| Released: | 2019-04-10 | 
| Edition: | 2 | 
| ICS: | 25.040.40 | 
| Pages (English): | 80 | 
| ISBN (English): | 9782832267523 | 
| Pages (English/French - Bilingual): | 172 | 
| ISBN (English/French - Bilingual): | 9782832292662 | 
DESCRIPTION
IEC 61158-5-21:2019
IEC 61158-5-21:2019 specifies the structure and services of the type 21 IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision.
 This edition includes the following significant technical changes with respect to the previous edition:
 •added Write and Read service;
 •miscellaneous editorial corrections.
