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Design of Communication Platform Based on Ethernet and PROFIBUS-DP Fieldbus

Author: XuBo
Tutor: JiangDaMing
School: Beijing Jiaotong University
Course: Traffic Information Engineering \u0026 Control
Keywords: Fieldbus PROFIBUS-DP Ethernet TCP / IP protocol OS- II
CLC: TP273
Type: Master's thesis
Year: 2010
Downloads: 124
Quote: 0
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Abstract


Fieldbus open new technological changes in the field of automatic control , and quickly became the focus of all walks of life research field characteristics of its information processing ; swept the world with the Internet , the development of Ethernet technology to industrial control has become a trend , especially embedded Ethernet network appears to achieve a network of intelligent devices . These two technologies within each industrial advantages , but there are also inadequate , how to integrate both technical advantages , a complementary technology , will be an important issue for the field of industrial development . In this context , the subject of in-depth research on the PROFIBUS-DP bus and Ethernet data communication between the kind of Ethernet and PROFIBUS - DP bus data conversion communication design , and mainly from the hardware and software describes two aspects . This article describes the advantages and disadvantages of fieldbus and Ethernet technology , and detailed analysis of the PROFIBUS-DP protocol and TCP / IP protocol , in accordance with its open architecture and rational design . First of all , in terms of hardware , the main controller selects the superior performance of the LPC2386 microprocessor , its most important feature is the integration of a fully functional 10Mbps/100Mbps Ethernet Controller ; Ethernet the module selection DP83848C as Ethernet PHY ( physical layer ) interface facilitate the realization of the Ethernet data communication ; PROFIBUS - DP module selection SIMENS for PROFIUBS - DP open industrial fieldbus intelligent interface chip SPC3 . The three modules are built PROFIBUS-DP communication Ethernet-based platform . Second , build a complete hardware platform based on software design : transplant embedded operating system OS- II , so as to facilitate multi-application task scheduling ; the Ethernet technical requirements , transplant embedded TCP / IP protocol stack - LwIP , and verified by experiments. Finally, to complete the preparation of the application , and through the PROFIBUS-DP system testing . In order to achieve the data communication based on the Ethernet PROFIBU - DP . After the industrial network in the end \

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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