| 基于CPLD的Profibus-DP冗余双网切换逻辑的设计 |
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| 引用本文： | 李乐义,史洪源,杜军钊.基于CPLD的Profibus-DP冗余双网切换逻辑的设计[J].测控技术,2011,30(2):83-85. |
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| 作者姓名： | 李乐义 史洪源 杜军钊 |
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| 作者单位： | 杭州和利时自动化有限公司; |
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| 摘 要： | Profibus-DP总线在工业现场控制系统中应用非常广泛,为了提高系统的可靠性,工业控制系统多采用冗余双网Profibus-DP总线通信,当一条Profibus-DP总线出问题时,Profibus-DP系统可以利用冗余双网切换逻辑切换到另一条Profibus-DP总线运行,该切换逻辑基于CPLD,实现了Profibu...
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| 关 键 词： | 工业控制系统 Profibus-DP 冗余双网通信 CPLD 冗余双网切换 |
Design of Profibus-DP Dual Redundant Network Switch Based on CPLD |
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| LI Le-yi,SHI Hong-yuan,DU Jun-zhao.Design of Profibus-DP Dual Redundant Network Switch Based on CPLD[J].Measurement & Control Technology,2011,30(2):83-85. |
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| Authors: | LI Le-yi SHI Hong-yuan DU Jun-zhao |
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| Affiliation: | LI Le-yi,SHI Hong-yuan,DU Jun-zhao(Hangzhou Hollysys Automation Co.,Ltd,Hangzhou 310018,China) |
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| Abstract: | The application of Profibus-DP bus is very popular in industrial control systems.In order to improve system reliability,industrial control systems often adopt dual redundant Profibus-DP communications.When one Profibus-DP bus fails,the Profibus-DP system can switch to the other Profibus-DP bus through dual redundant network switch logic.This switch logic implements hard switch of Profibus-DP dual redundant communications based on CPLD. |
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| Keywords: | industrial control system Profibus-DP dual redundant communication CPLD dual redundant network switch |
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