| 基于RS-485模块的PLC模拟量测量方法 |
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| 引用本文： | 鲍文,丁佳鹏,赵作阳. 基于RS-485模块的PLC模拟量测量方法[J]. 微计算机信息, 2005, 0(15) |
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| 作者姓名： | 鲍文 丁佳鹏 赵作阳 |
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| 作者单位： | 哈尔滨工业大学先进动力控制与可靠性研究所 150001黑龙江哈尔滨 |
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| 基金项目： | 国防基础科研(K1403060719) |
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| 摘 要： | 在简要介绍了RS-485通讯的基本特点、实现方法后,针对实际问题,将PLC的RS-485通讯接口作为获得模拟量的通道,结合一小段程序,介绍了利用RS-485通讯接口获得模拟量的方法。最后通过比较,分析了这种方法的实际应用价值。
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| 关 键 词： | RS-485通讯 硬件组建 软件设计 |
A Use of RS-485 Communication for PLC Obtaining Analogue |
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| Bao,Wen Ding,Jiapeng Zhao,Zuyang. A Use of RS-485 Communication for PLC Obtaining Analogue[J]. Control & Automation, 2005, 0(15) |
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| Authors: | Bao Wen Ding Jiapeng Zhao Zuyang |
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| Affiliation: | (Institute of Advanced Power Control and Reliability,Harbin Institute of Technology,Harbin 150001,China) Bao,Wen Ding,Jiapeng Zhao,Zuyang |
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| Abstract: | On the basis of brief introduction of the basic charac-ter and the realization method of RS-485 communication, RS-485 communication port is used as the analog input channel andhow to obtain analog by RS-485 communication port is projected associated a short piece of program. After compared with oth-ers, the practical application of this method is discussed in thearticle. |
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| Keywords: | RS-485 communication link of the hardware design of the software |
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