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Standard

IEC 61158-4-12:2007 ED1

Revidiert

Hinweis: Neuste Ausgabe: IEC 61158-4-12:2019 ED4

Vorschau

Bestehende oder zukünftige Amendments und Versionen müssen separat erworben werden.

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Zusammenfassung

IEC 61158-4-12:2007 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, 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.

Produktspezifikationen

  • Standard von IEC
  • Ausgabedatum:
  • Rückzugsdatum:
  • Edition: 1
  • Dokumenttyp: IS
  • Seiten
  • Herausgeber: IEC
  • Lieferant: IEC
  • ICS: 25.040.40
  • ICS: 35.100.20
  • Internationales Komitee: TC 65/SC 65C

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Produktlebenszyklus