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Design and research of distributed control system based on PROFIBUS

Yanjun Fang

Abstract

The limitation of distributed control system (DCS) in power plant is analyzed.A type of dislributed control system based on PROFIBUS is designed according to the characteristics of power plant and PROFIBUS.Realization project of this system is to integrate PROFIBUS into DCS.Principle on improving real time and reliability is put forward,and application range of PROFIBUS in control system is also discussed.Hybrid two-class network structure is focused on when this system is realized.Network communication between PROFIBUS and DCS are discussed in detail.Index of real time,reliability and economic is analyzed.It is important for power plant to solve the hard problems that exist in conventional distributed control system and to realize overall information in power plants.

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Available abstract

Key concepts: Profibus, Computer science, Reliability (semiconductor), Distributed control system, Control system, Control (management), Realization (probability), Fieldbus