| 节省PC输入输出点数的有效方法 |
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| 引用本文： | 吕炳仁.节省PC输入输出点数的有效方法[J].北京联合大学学报(自然科学版),1993,7(1):28-39. |
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| 作者姓名： | 吕炳仁 |
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| 作者单位： | 北京联合大学机械工程学院 |
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| 摘 要： | 本文提出节省PC输入点的方法,包括二极管隔离法、二极管编码法及单行程开关多撞块结构;节省PC输出点的方法,包括状态输出点法及输出译码法等。最后举例说明该方法的使用效果。
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| 关 键 词： | 可编程控制器 编码 译码 定时器 |
Effective Methods Saving Input/output Points of PC |
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| Lu Bingren College of Mechanical Engineering.Effective Methods Saving Input/output Points of PC[J].Journal of Beijing Union University,1993,7(1):28-39. |
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| Authors: | Lu Bingren College of Mechanical Engineering |
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| Institution: | Lu Bingren College of Mechanical Engineering |
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| Abstract: | In this paper, the methods saving input points of PC are presented, containing isulation
with diodes, coding with diodes and structure of single distance switch and multistage strike blocks.
The methods saving output points of PC are presented. containing state output point and output de-
coding method. Finally, practical effect of the methods is illustrated by means of an example. |
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| Keywords: | Programmable Controller Coding Decoding Timer Counter |
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