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 <title><![CDATA[如何将电位器的值转换过来？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727.html]]></link>
 <description><![CDATA[Latest 50 replies of 如何将电位器的值转换过来？]]></description>
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 <description><![CDATA[学习，学习。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#588114.html]]></link>
 <author><![CDATA[陶瓷汽缸]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 30 Jul 2009 00:36:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼a-fly-阿飞于2009-07-10 09:42发表的&nbsp;&nbsp;:
[attachment=25499]
[/quote]
[s:17]这个怎么接线呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#572383.html]]></link>
 <author><![CDATA[三木]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 12:47:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用个10V的直流电源通过4.7----10K的绕线式电位器可转换为0----10V的电压后，通过A/D模块就OK了，你自己去试试。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#572332.html]]></link>
 <author><![CDATA[jdk1126]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 12:05:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼a-fly-阿飞于2009-07-10 09:42发表的&nbsp;&nbsp;:
[attachment=25499]
[/quote]
这样能做到线性比例关系吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571816.html]]></link>
 <author><![CDATA[yefengchen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:57:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[attachment=25499]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571806.html]]></link>
 <author><![CDATA[a-fly-阿飞]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:42:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼a-fly-阿飞于2009-07-10 09:27发表的&nbsp;&nbsp;:
我觉得还是检测电流好一点，不用管电位器的最大阻值。

24v-------1.2k----------被测电阻---------

在plc中换算。
[/quote]
没听懂你意思，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571801.html]]></link>
 <author><![CDATA[yefengchen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:34:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我觉得还是检测电流好一点，不用管电位器的最大阻值。

24v-------1.2k----------被测电阻---------

在plc中换算。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571795.html]]></link>
 <author><![CDATA[a-fly-阿飞]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:27:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你另外接个电阻分压电路，检测电位器的电压就可以知道电阻了，换算可以在PLC内编程实现。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571778.html]]></link>
 <author><![CDATA[dpc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:10:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39] 在线等啊，期待高手的指点啊。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40727#571774.html]]></link>
 <author><![CDATA[yefengchen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jul 2009 01:00:56 +0000]]></pubdate>
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