The 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 19 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 within the time window risks failure of the applications requesting the actions,with attendant risk to equipment,plant and possibly human life.
DIN EN 61158-6-19-2013由德国标准化学会 DE-DIN 发布于 2013-03,并于 2013-03-01 实施。
DIN EN 61158-6-19-2013 在中国标准分类中归属于: L79 计算机开放与系统互连,在国际标准分类中归属于: 35.100.70 应用层,35.160 微处理机系统。
* 在 DIN EN 61158-6-19-2013 发布之后有更新,请注意新发布标准的变化。
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