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 <title><![CDATA[CP1H与编码器,变频器怎样控制]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170.html]]></link>
 <description><![CDATA[Latest 50 replies of CP1H与编码器,变频器怎样控制]]></description>
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 <description><![CDATA[用旋转编码器,检测A相、B相、Z相信号，用高速计数器，然后转换模拟量输出，CP1H XA系列]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1387338.html]]></link>
 <author><![CDATA[hc881012]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 09 Dec 2012 04:06:53 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1386768.html]]></link>
 <author><![CDATA[一凡维修]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Fri, 07 Dec 2012 11:51:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[受教了，谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1386669.html]]></link>
 <author><![CDATA[597835876]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Fri, 07 Dec 2012 06:13:22 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[顶起
。。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1359497.html]]></link>
 <author><![CDATA[求学菜鸟]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 16 Oct 2012 07:38:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接近传感器要注意选择型号，要满足这么快频率通断的接近开关，再配合高速计数器就可以计算转速。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1357072.html]]></link>
 <author><![CDATA[秋后一点水]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Thu, 11 Oct 2012 14:42:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用接近传感器来检测！用高速计数器来计数！两者缺一不可！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1356314.html]]></link>
 <author><![CDATA[txl1860]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Wed, 10 Oct 2012 12:11:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请问2楼 加一个接近传感器有什么作用啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1353380.html]]></link>
 <author><![CDATA[ludehui]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Oct 2012 11:55:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[路过学习中。，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1352548.html]]></link>
 <author><![CDATA[求学菜鸟]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 30 Sep 2012 06:56:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[至于读取转速，我是用一个高速计数器模块加一个接近传感器实现的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1337640.html]]></link>
 <author><![CDATA[秋后一点水]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 03 Sep 2012 11:34:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制变频器可以用模拟量输出4-20mA，对应变频器上也设置模拟量控制。我最近用的是cj系列plc外加一个模拟量输出模块实现的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1398170#1337639.html]]></link>
 <author><![CDATA[秋后一点水]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 03 Sep 2012 11:33:27 +0000]]></pubdate>
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