Analysis of Fieldbus Communication Traffic based on Real Time Bus Monitoring and Configuration Date

D. BrandãoM. J. da CunhaM. Pinotti Jr.

This paper presents an analysis of the communication bandwidth for a Foundation Fieldbus (FF) network based on both bus monitor data and the respective channel configuration. The bus monitor data provides the on-line traffic monitoring while the cyclic messages and function blocks schedule can be loaded from a channel configuration description file. The analysis proposed is afterward applied to four closed control loop configurations and the results show how is the behavior of a fieldbus system when there is a change on the number of active transmitters and on the macrocycle configuration.

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