| 基于VB.NET的PC机和可编程控制器(PLC)之间的串行通信 |
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| 引用本文： | 王笑宇,肖洪祥.基于VB.NET的PC机和可编程控制器(PLC)之间的串行通信[J].山西电子技术,2008(4). |
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| 作者姓名： | 王笑宇 肖洪祥 |
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| 作者单位： | 桂林工学院电子与计算机系,广西桂林541004 |
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| 摘 要： | 阐述了基于Visual studio2005的pc与PLC间的串口通信方法。该方法根据西门子S7—200PLC的特点，通过串口通信实现了pc和PLC之间的数据传输，在工业自动化控制具有很重要的意义。这种方法与单个数据中断的通信方式相比，实时通信简单快捷。保证了通信的实时性，并具有开发周期短、可靠性高等特点。
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| 关 键 词： | Visual studio NET sevialport控件 PLC |
Serial-Communication Between Computer & PLC Based on VB.NET |
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| Wang Xiao-yu Xiao Hong-xiang.Serial-Communication Between Computer & PLC Based on VB.NET[J].Shanxi Electronic Technology,2008(4). |
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| Authors: | Wang Xiao-yu Xiao Hong-xiang |
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| Institution: | Wang Xiao-yu Xiao Hong-xiang (Department of Electronics , Computer Science,Guilin University of Technology,Guilin Guangxi 541004,China) |
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| Abstract: | The method of serial-communication based on visual basic 2005 and the freeport mode of S7-200PLC is introduced in the paper.According to the feature of S7-200PLC,the method realizes the data transmission between pc and PLC through a string of correspondence,so it has the very important meaning in industry automate control,which is more simple and fast than the corresponding mode for odd date intermit.The development cycle of system can be reduced and the reliability of the system can be improved. |
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| Keywords: | visual studio 2005 sevialport plc |
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