IEC 61158-3-14:2010
工业通信网络.现场总线规范.第3-14部分:数据链路层设备定义.14型元件

Industrial communication networks - Fieldbus specifications - Part 3-14: Data link layer service definition - Type 14 elements

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标准号

IEC 61158-3-14:2010

发布

2010年

发布单位

国际电工委员会

替代标准

IEC 61158-3-14:2014

当前最新

IEC 61158-3-14:2014

 

 

适用范围

This part of IEC 61158 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. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life. This standard defines in an abstract way the externally visible service provided by the Type 14 fieldbus data-link layer in terms of a) the primitive actions and events of the service; b) the parameters associated with each primitive action and event, and the form which they take; and c) the interrelationship between these actions and events, and their valid sequences. The purpose of this standard is to define the services provided to ? the Type 14 fieldbus application layer at the boundary between the application and datalink layers of the fieldbus reference model, and ? systems management at the boundary between the data-link layer and systems management of the fieldbus reference model.

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