DS/EN 61158-5-5:2008
工业通信网络 现场总线规范 第 5-5 部分：应用层服务定义 类型 5 元素

Industrial communication networks - Fieldbus specifications - Part 5-5: Application layer service definition - Type 5 elements

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标准号

DS/EN 61158-5-5:2008

发布

2008年

发布单位

丹麦标准化协会

当前最新

DS/EN 61158-5-5:2008

 

 

被代替标准

DS/EN 61158-5-2004+CD-rom DS/EN 61158-5/Corr. 1-2006

适用范围

1.1 OverviewThe fieldbus application layer (FAL) provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a “window between corresponding application programs.”This standard provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 5 fieldbus. 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

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