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Standard

IEC 61158-4-11:2007 ED1

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Note: Version actuelle: IEC 61158-4-11:2014 ED3

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Résumé

It provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all participating data-link entities in a synchronously-starting cyclic manner, according to a pre-established schedule, and in a cyclic or acyclic asynchronous manner, as requested each cycle by each of those data-link entities. Thus this protocol can be characterized as one which provides cyclic and acyclic access asynchronously but with a synchronous restart of each cycle. It includes the following significant changes with respect to the previous edition deletion of the former Type 6 fieldbus, and the placeholder for a Type 5 fieldbus data-link layer, for lack of market relevance; addition of new types of fieldbuses; division of this part into multiple parts numbered.

Spécifications des produits

  • Standard de IEC
  • Publié:
  • Radié:
  • Version: 1
  • Type de document: IS
  • Pages
  • Editeur: IEC
  • Distributeur: IEC
  • ICS: 25.040.40
  • ICS: 35.100.20
  • Comité international: TC 65/SC 65C

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