| 用VB实现S7-300 PLC与PC机的普通串口通信 |
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| 引用本文： | 李光明,李妍,李茜.用VB实现S7-300 PLC与PC机的普通串口通信[J].微计算机信息,2005(9). |
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| 作者姓名： | 李光明 李妍 李茜 |
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| 作者单位： | 陕西科技大学电气与电子工程学院
712081陕西咸阳人民西路49#(李光明，李妍)，陕西科技大学电气与电子工程学院 712081陕西咸阳人民西路49#(李茜) |
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| 摘 要： | 现代工业应用中,串行通信是一种使用相当广泛的通信方式,其配线数少,容易实现,长久以来一直被广泛采用。而VisualBasic在开发可视化环境下的监控系统时具有其独特的优势,倍受青睐。本文以VB在西门子PLCS7-300与上位机通信中的应用为例,提出了VB在串行通信中一种新的应用方法。
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| 关 键 词： | Visual Basic 可编程控制器 串行通信 上位机 |
The Implement of Communication Between S7-300 PLC and Personal Computer |
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| Li,Guangming Li,Yan Li,Qian.The Implement of Communication Between S7-300 PLC and Personal Computer[J].Control & Automation,2005(9). |
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| Authors: | Li Guangming Li Yan Li Qian |
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| Abstract: | Serial communication is a widely used communication method in the applications of modern industry. It has little wiring and is easy to realize. So it has been used for a long time. Moreover, Visual Basic has its special advantage in development of inspection system in viewable environment. This paper takes the communication between SIMATIC S7-300 and the computer as an example, puts forward the new idea of the usage of Visual Basic in serial communication. |
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| Keywords: | Visual Basic PLC serial communication host computer |
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