| The fieldbus is a new technology of research, applications, development of a modern enterprise integrated automation, and it can integrated the control system and communication network and the exchange of information ranging from devices, production workshop and gradually cover the entire plant or enterprise group. It appears that the automation field produces a profound change in other related field, and has a profound influence.In this paper, the author analyzes the status of studying on the technology of the present domestic PROFIBUS in fieldbus, on the basis of shortcoming for studying the traditional flexible manufacturing system, and proposes a new plan which applies bus bridge embeded into flexible manufacturing system. Through researching PROFIBUS-DP fieldbus technology, the author develops the intelligence PROFIBUS-DP slave station, and design the software and hardware by it, make it have the functions of digital input, output and digital display basically, realize the telecom with PROFIBUS-DP main station in data. For this technology in the field of flexible manufacturing application it provides an important basis.According to the paper, applying the PROFIBUS-DP fieldbus to flexible manufacturing system, it exerts all kinds of advantages of PROFIBUS-DP, and outcomes the defects of traditional flexible manufacturing system with taking 485 technology. It has positive influence to improve and enhance the flexible manufacturing technology in telecom. The PROFIBUS-DP intelligence slave station both in software and hardware plays a positive role in promoting forward domestic PROFIBUS technology research and practical application.
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