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Normas BSI – AENOR
BS EN 61158-4-11:2008

BS EN 61158-4-11:2008

Industrial communication networks. Fieldbus specifications. Data-link layer protocol specification. Type 11 elements

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2012-06-30 /Withdrawn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

EN 61158-4-11:2008

IEC 61158-4-11:2007

IEC 61242:1995/AMD2:2015

Relación con otras normas BSI:

Reemplazada por: BS EN 61158-4-11:2012

Reemplaza a: BS EN 61158-4:2004

It provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all participating data-link entities in a synchronously-starting cyclic manner, according to a pre-established schedule, and in a cyclic or acyclic asynchronous manner, as requested each cycle by each of those data-link entities. Thus this protocol can be characterized as one which provides cyclic and acyclic access asynchronously but with a synchronous restart of each cycle. 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.
Data link layer (OSI), Fieldbus, Data transmission, Bus networks, Open systems interconnection, Industrial, Interfaces (data processing), Communication networks, Communication procedures, Computer networks, Automatic control systems, Process control
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