| 基于LabVIEW与PLC之间通信接口的设计 |
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| 引用本文： | 王行娟,万伟,周伟. 基于LabVIEW与PLC之间通信接口的设计[J]. 武汉理工大学学报(信息与管理工程版), 2006, 28(11): 45-48 |
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| 作者姓名： | 王行娟 万伟 周伟 |
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| 作者单位： | 武汉理工大学,信息工程学院,湖北,武汉,430070 |
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| 摘 要： | 详细介绍了基于LabVIEW与PLC之间通信的带有光电隔离的智能转换器的设计;阐述了从PLC接口上高效率的产生电路所需的电源;给出了实现RS-232接口和RS-485接口的智能转换的硬件电路,采用双光隔提高数据传输速率。
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| 关 键 词： | 光电隔离 智能转换 |
| 文章编号： | 1007-144X（2006）11-0045-04 |
| 收稿时间： | 2006-09-15 |
| 修稿时间： | 2006-09-15 |
Design of the Basis of the Communication Interface between LabVIEW and PLC |
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| Wang Xingjuan,Wan Wei,Zhou Wei. Design of the Basis of the Communication Interface between LabVIEW and PLC[J]. Journal of Wuhan University of Technology(Information & Management Engineering), 2006, 28(11): 45-48 |
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| Authors: | Wang Xingjuan Wan Wei Zhou Wei |
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| Affiliation: | School of Information Engineering, WUT, Wuhan 430070, China |
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| Abstract: | The design of intelligent conversion with optical isolation based on communication between LabVIEW and PLC is discussed.The required power supply that the circuit needs from the PLC interface is expounded.A hardware circuit for intelligent conversion between RS-232 interface and RS-485 interface is presented.Dual photo couplers are adopted to raise the transfer rate of the data. |
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| Keywords: | RS-232 RS-485 PLC |
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