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Normas BSI – AENOR
BS EN 61158-3-12:2008

BS EN 61158-3-12:2008

Industrial communication networks. Fieldbus specifications. Data-link layer service definition. Type 12 elements

Fecha Anulación:
2012-06-30 /Withdrawn
Equivalencias internacionales:

EN 61158-3-12:2008

EN 61158-3-12:2012

IEC 61158-3-12:2007

Relación con otras normas BSI:

Reemplazada por: BS EN 61158-3-12:2012

Reemplaza a: BS EN 61158-3:2004

IEC 61158-3-12:2007 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. 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 numbered.
Interfaces (data processing), Industrial, Data transmission, Communication procedures, Computer networks, Data link layer (OSI), Communication networks, Automatic control systems, Bus networks, Process control, Fieldbus, Open systems interconnection
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