| DDE下PLC与PC通信的实现 |
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| 引用本文： | 赵栓峰,张传伟.DDE下PLC与PC通信的实现[J].组合机床与自动化加工技术,2006(7):58-59,62. |
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| 作者姓名： | 赵栓峰 张传伟 |
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| 作者单位： | 西安科技大学,机械工程学院,西安,710054 |
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| 摘 要： | 文章介绍了Windows环境下DDE技术原理,结合Koyo S系列可编程控制器的特点,利用Visual Basic（VB）中的DDE技术实现计算机与PLC的通信,并给出了详细的程序设计过程.该方案简单、实用,对由其它类型PLC和上位机组成的监控系统的通信实现有一定的参考价值,并在电力无功补偿控制系统中得到了成功的应用,取得了满意的效果.
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| 关 键 词： | 数据通讯 |
| 文章编号： | 1001-2265（2006）07-0058-02 |
| 收稿时间： | 2005-12-27 |
| 修稿时间： | 2005-12-272006-03-23 |
Implementation of Communication Between PLC and PC Based on DDE |
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| ZHAO Shuan-feng,ZHANG Chuan-wei.Implementation of Communication Between PLC and PC Based on DDE[J].Modular Machine Tool & Automatic Manufacturing Technique,2006(7):58-59,62. |
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| Authors: | ZHAO Shuan-feng ZHANG Chuan-wei |
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| Abstract: | According to the characteristics of Koyo S series Programmable Logic Controllers and the theory of DDE, a communication method between the computer and PLC with DDE is introduced, programming and process is given in detail. This scheme has a simple hardware structure and is practicable, which has also a reference value to the realization of communication between computer and PLC in other supervisor system. It has been applied successfully in electrical reactive power compensation control system. |
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| Keywords: | DDE PLC VB |
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