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Normas BSI – AENOR
BS EN 61158-6-9:2008

BS EN 61158-6-9:2008

Industrial communication networks. Fieldbus specifications. Application layer protocol specification. Type 9 elements

Fecha Anulación:
2012-07-31 /Withdrawn
Equivalencias internacionales:

EN 60794-2-21:2006

EN 61158-6-9:2008

EN 61158-6-9:2012

IEC 61158-6-9:2007

IEC 62680-1-1:2015

Relación con otras normas BSI:

Reemplazada por: BS EN 61158-6-9:2012

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 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 2 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 from the previous edition deletion of the former Type 6 fieldbus for lack of market relevance; addition of new types of fieldbuses; partition of part 6 of the third edition into multiple parts numbered.
Coding (data conversion), Application layer (OSI), Fieldbus, Data transmission, Bus networks, Interfaces (data processing), Industrial, Communication networks, Communication procedures, Open systems interconnection, Process control, Automatic control systems, Computer networks
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