CAN PROTOCOL: A LABORATORY PROTOTYPE FOR FIELDBUS APPLICATIONS

Mário Alves, J. M. Dias Pereira, Helena Geirinhas Ramos

Abstract

An integrated solution based on CAN protocol, for industrial measurements and control, is presented. Main characteristics of CAN protocol are underlined in terms of OSI model taking particular attention to hardware implementation, messages types, collision resolution mechanisms and timing synchronization. The paper also includes references to another high level industrial protocols that use the physical and logical data layers of CAN protocol. Experimental results based on a developed prototype applied to a level control loop system and main protocol characteristics are analyzed.

Keywords

CAN, OSI protocol layers, fieldbus networks

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IMEKO-WC-2009-TC4-535.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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