BS EN 61158-3-11:2008 PDF
Industrial communication networks. Fieldbus specifications - Data-link layer service definition. Type 11 elements
Industrial communication networks. Fieldbus specifications - Data-link layer service definition. Type 11 elements
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Дата публикации:
- 31 января 2009 г.
- ICS:
- 25.040.40
- Технический комитет:
- CENELEC
- SKU:
- BS EN 61158-3-11:2008
Abstract
What is BS EN 61158-3-11 - Data-link layer service definition — Type 11 elements about?
BS EN 61158-3-11 is the 11 th subpart of the third part of the multiple series standard that provides common elements for basic time-critical messaging communications between devices in an automation environment. The term “time-critical” is used to represent the presence of a time window, within which one or more specified actions are required to be completed with some defined level of certainty. BS EN 61158-3-11 defines in an abstract way the externally visible service provided by the Type 11 Fieldbus data-link layer in terms of:
The primitive actions and events of the service
The parameters associated with each primitive action and event, and the form in which they take
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