| 浅析 PLC 梯形图与继电器控制线路的差别 |
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| 引用本文： | 汤文利.浅析 PLC 梯形图与继电器控制线路的差别[J].孝感职业技术学院学报,2014(3):99-101. |
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| 作者姓名： | 汤文利 |
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| 作者单位： | 湖北职业技术学院 机电工程学院,湖北 孝感,432000 |
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| 摘 要： | 文章分析了PLC程序与继电器线路工作原理的差别，并用举例的方法说明照搬成熟的继电器控制线路进行PLC编程或照搬PLC程序连接继电器控制线路，都不能实现需要的逻辑功能。
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| 关 键 词： | PLC(可编程控制器) 继电器线路 差别 顺序扫描 |
Brief Analysis of Differences Between PLC Ladder Chart and Relay Control Circuit |
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| TANG Wen-li.Brief Analysis of Differences Between PLC Ladder Chart and Relay Control Circuit[J].Journal of Xiaogan Vocational-Technical College,2014(3):99-101. |
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| Authors: | TANG Wen-li |
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| Institution: | TANG Wen-li (School of Mechanical and Electrical Engineering,Hubei Polytechnic Institute, Xiaogan,Hubei 432000, China) |
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| Abstract: | While it analyzes the different working principles between PLC ladder chart and the relay circuit , the paper illustrates the reason why it is unable to perform its logic function by copying the relay control circuit for PLC programming or the PLC program for the relay control circuit . |
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| Keywords: | PLC(Programmable Logic Controller) relay circuit differences sequential scan |
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