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 <title><![CDATA[变频器]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341.html]]></link>
 <description><![CDATA[Latest 50 replies of 变频器]]></description>
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 <description><![CDATA[我说的不是单纯的多段速 而是使用变频器自带的简易PLC功能&nbsp;&nbsp;而只需一个外部信号触发 启动就行啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341#1026193.html]]></link>
 <author><![CDATA[gsj791898717]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Apr 2011 03:29:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意三楼说的 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341#1024491.html]]></link>
 <author><![CDATA[yye]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Apr 2011 04:54:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[使用变频器里面的简易PLC功能&nbsp;&nbsp; 具体的几段&nbsp;&nbsp;速度&nbsp;&nbsp;运行时间 设置好以后&nbsp;&nbsp;你的那个按钮就给变频器一个启动信号就行啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341#1023569.html]]></link>
 <author><![CDATA[gsj791898717]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Apr 2011 04:22:07 +0000]]></pubdate>
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 <description><![CDATA[这个就是参数设置问题了,如果外面线路来完成的话,你要设计一个按钮能发出不同的信号才行!!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341#1023499.html]]></link>
 <author><![CDATA[lu831226]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Apr 2011 02:37:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你是想用一个按钮实现几个段速呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-103341#1023492.html]]></link>
 <author><![CDATA[henshuiwqs]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Apr 2011 02:31:05 +0000]]></pubdate>
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