| 一种温室环境控制系统设计与实现 |
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| 引用本文： | 李燕,李建伟,李慧琴. 一种温室环境控制系统设计与实现[J]. 河南科学, 2010, 28(1): 91-93 |
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| 作者姓名： | 李燕 李建伟 李慧琴 |
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| 作者单位： | 河南农业大学机电学院,郑州,450002;河南农业大学机电学院,郑州,450002;河南农业大学机电学院,郑州,450002 |
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| 摘 要： | 详细介绍了一种基于RS-485总线的温室环境控制系统,以三菱PLC和三菱变频器为控制核心,采用RS-485总线连接并进行串行通信.采用定时器交替延时驱动RS指令的程序编写方法,有效地提高了系统通信的可靠性.
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| 关 键 词： | 温室环境控制 PLC RS-485串行通信 |
One Kind of Design and Realize of the Greenhouse Environments Control System |
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| Li Yang,Li Jianwei,Li Huiqin. One Kind of Design and Realize of the Greenhouse Environments Control System[J]. Henan Science, 2010, 28(1): 91-93 |
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| Authors: | Li Yang Li Jianwei Li Huiqin |
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| Affiliation: | (College of Mechanical ＆ Electrical Engineer, Henan Agriculture University, Zhengzhou 450002, China) |
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| Abstract: | This paper proposes a kind of greenhouse environments control system based on the RS-485, Mitsubishi PLC and Mitsubishi Interver is designed as the controll core and the RS-485 serial communication is adopted between them. For improving the reliability of the RS-485 serial communication. The programme with timer alternately driving RS is proposed and improves system reliability. |
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| Keywords: | PLC |
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