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 <title><![CDATA[关于AND= K2M140 K0的问题，请大侠们帮忙 ..]]></title>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1162105.html]]></link>
 <author><![CDATA[liuguiyang]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Nov 2011 13:06:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢！大家]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1161743.html]]></link>
 <author><![CDATA[105620952]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Nov 2011 04:39:48 +0000]]></pubdate>
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 <description><![CDATA[2楼正解，这是一个触点比较指令，意思就是M140---M147全部OFF，后面的指令执行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1161400.html]]></link>
 <author><![CDATA[铭杰工控]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 10 Nov 2011 12:41:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上正解。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1161345.html]]></link>
 <author><![CDATA[sicsuilyijun]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 10 Nov 2011 11:06:38 +0000]]></pubdate>
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 <description><![CDATA[K2M140是指M140-M143,M144-M147这8个。M( X, Y)是位元件只有ON和OFF（1和0）,四个位元件可以组成一个字元件（像C,D)。这条指令的意思应该是当K2M140的当前值等于0（M140-M147都为OFF)时，有输出。你写的少了一个目标元件即输出的那个。如：LD X0&nbsp;&nbsp; AND= K2M140 K0 Y0&nbsp;&nbsp;&nbsp;&nbsp; 当X0接通， K2M14 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1161113.html]]></link>
 <author><![CDATA[matengfei]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 10 Nov 2011 05:52:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不太明白 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126119#1161076.html]]></link>
 <author><![CDATA[wangjianjob]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 10 Nov 2011 05:16:19 +0000]]></pubdate>
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