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PLC内部数据低成本的显示设计
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格式:rar |
大小:451 |
2009-11-14
杨平
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PLC内部数据低成本的显示设计:本文欧姆龙CJ1M为例，采用低成本LED数码管作为数据显示设备，动态显示PLC内部数据的方法，该方法简单实用，适于实验教学和工程人员的现场操作。
关键词 PLC；数码管；动态选通；扩展
Abstract:
In this article, the cheap LEDs were selected to display the interior data of PLC. Four LEDs were chosen dynamically by turn to show the data in one channel. After extending 8 I/O can show the data in 32 channels(512 bits). The design was easy and pratical. The mothod can be used in experiment teaching and industrial control.
Key words: PLC; LED; Dynamically chose; Extend
关键词 PLC；数码管；动态选通；扩展
Abstract:
In this article, the cheap LEDs were selected to display the interior data of PLC. Four LEDs were chosen dynamically by turn to show the data in one channel. After extending 8 I/O can show the data in 32 channels(512 bits). The design was easy and pratical. The mothod can be used in experiment teaching and industrial control.
Key words: PLC; LED; Dynamically chose; Extend
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