| 基于电话网实现上位机与三菱PLC的远程通信 |
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| 引用本文： | 郑健,徐世许,李显辉. 基于电话网实现上位机与三菱PLC的远程通信[J]. 自动化仪表, 2006, 27(5): 43-45 |
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| 作者姓名： | 郑健 徐世许 李显辉 |
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| 作者单位： | 青岛大学自动化工程学院,青岛,266071 |
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| 摘 要： | 研究了基于电话网实现了上位机与FX2N系列PLC远距离通信的方法。罗列了该系列PLC的通信模式，详细介绍了该系列PLC编程器的通信协议。具体阐述了在Visual C＋＋环境下，用MSComm控件实现串口通信的方法，并给出了串口初始化代码、Modem拨号及程序代码、数据帧生成及发送的程序代码等的实现程序。为进一步实现上位机对PLC的远距离监控提供了参考。
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| 关 键 词： | 远程通信 编程口 通信协议 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2005-10-08 |
Implementing Remote Communication between Host Computer and Mitsubishi PLC Based on Telephone Network |
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| Zheng Jian,Xu Shixu,Li Xianhui. Implementing Remote Communication between Host Computer and Mitsubishi PLC Based on Telephone Network[J]. Process Automation Instrumentation, 2006, 27(5): 43-45 |
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| Authors: | Zheng Jian Xu Shixu Li Xianhui |
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| Affiliation: | Zheng Jian Xu Shixu Li Xianhui |
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| Abstract: | The realization method of telephone network based remote communication between host computer and FX2N series PLC is studied.The communication modes of this series of PLC were illustrated.The communication protocols of programmer of this series of PLC were introduced in detail.It was expounded that MSComm control was used to fulfill serial port communication under Visual C++ environment.The implementation program of serial port initialization code,modem dialing and programming code,program code of generation and transmission of data frame were given.It provides reference for implementation of remote monitoring to PLC from host computer. |
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| Keywords: | Remote communication Programming port Communication protocol |
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