IEC 61158-4-11 Ed. 1.0 en:2007 PDF
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Industrial communication networks – Fieldbus specifications – Part 4-11: Data-link layer protocol specification – Type 11 elements
standard by International Electrotechnical Commission, 12/14/2007
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, 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.
Product Details
- Edition:
- 1.0
- Published:
- 12/14/2007
- Number of Pages:
- 80
- File Size:
- 1 file , 1.4 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
