| 三菱PLC与上位机串行通信的实现 |
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| 引用本文： | 周鸣,曲凌. 三菱PLC与上位机串行通信的实现[J]. 现代电子技术, 2006, 29(22): 6-8,14 |
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| 作者姓名： | 周鸣 曲凌 |
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| 作者单位： | 1. 上海师范大学,机械与电子工程学院,上海,201418
2. 上海交通大学,工程训练中心,上海,200240 |
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| 摘 要： | 为了实现对现场生产过程进行监控,PLC串行通信技术在工业生产中正得到越来越广泛的应用,介绍了三菱FX2N系列PLC与上位机进行通信的主要原理,阐述在Visual Basic 6.0环境下上位机与三菱FX2N PLC串行通信的具体实现方法。具体介绍了与上位机通信的硬件连接,三菱FX2N PLC的通信协议及VB中的MSCOMM控件,对通信实现过程中的主要程序进行简单分析。
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| 关 键 词： | PLC 通信协议 串行通信 VB MSCOMM控件 |
| 文章编号： | 1004-373X（2006）22-006-03 |
| 收稿时间： | 2006-05-15 |
| 修稿时间： | 2006-05-15 |
Application of Serial Communication between Mitsubishi PLC and Host Computer |
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| ZHOU Ming,QU Ling. Application of Serial Communication between Mitsubishi PLC and Host Computer[J]. Modern Electronic Technique, 2006, 29(22): 6-8,14 |
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| Authors: | ZHOU Ming QU Ling |
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| Affiliation: | 1. Mechanical and Elect ronical Information Engineering College, Shanghai Normal University, Shanghai, 201418, China;2. Engineering Training Center, Shanghai Jiaotong University, Shanghai, 200240,China |
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| Abstract: | In order to monitor the production process,serial communication method is widely used in industrial production.The article mainly introduces the principle of serial communication with Mitsubishi FX2N series PLC,describes the application of serial communication between Mitsubishi PLC and hot computer on Visual Basic 6.0 platform.The hardware connection,communication protocol of FX2N series PLC and the MSCOMM control part in VB 6.0 are discussed.The main program is also analyzed in this article. |
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| Keywords: | PLC communication protocol serial communication Visual Basic MSCOMM |
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