IEC 61158-5-11 Ed. 1.0现行
Industrial communication networks - Fieldbus specifications Part 5-11: Application layer service definition - Type 11 elements
出版：International Electrotechnical Committee
专家解读视频
It 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 part of IEC 61158 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 11 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. 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 n
I.S. EN 61158-5-11:2008 - Identical
DIN EN 61158-5-11 (2008-09) - Identical
NEN EN IEC 61158-5-11:2008 - Identical
OVE/ONORM EN 61158-5-11:2008 - Identical
PN EN 61158-5-11:2008 - Identical
BS EN 61158-5-11:2008 - Identical
