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 <title><![CDATA[关于MOV西门子的指令]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于MOV西门子的指令]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[第1个占用1个字节VB508，第2个占用1个字（VB508、VB509）VW508，&nbsp;&nbsp;VB509不好再使用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#406206.html]]></link>
 <author><![CDATA[顾惜朝]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Jan 2009 09:05:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[第一个是VB508置零，第2个是VB508.509都置零]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#406113.html]]></link>
 <author><![CDATA[luanzh]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Jan 2009 07:45:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[问下,第一条指令前面没有任何触电也对?至少也应该加个长闭特殊继电器吧.不知道名称说的对不对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#406108.html]]></link>
 <author><![CDATA[luanzh]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Jan 2009 07:44:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[只要了解了V(位),VB(字节),VW(字),VD(双字)就知道以上意思了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#392277.html]]></link>
 <author><![CDATA[hyde277]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 20 Dec 2008 08:09:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[好。 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#392244.html]]></link>
 <author><![CDATA[yjdxl]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 20 Dec 2008 07:40:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[都对都对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#391794.html]]></link>
 <author><![CDATA[an03152002]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 20 Dec 2008 00:19:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[第一条VB508置零，是字节，第二条VW508置零，是字，也就是VB508，VB509 都置零。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#391140.html]]></link>
 <author><![CDATA[我来也]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 19 Dec 2008 07:28:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[第一条指令是将VW508.0置为0位
第二条指令是将VW508置为0,也就是将整个字置位了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#241760.html]]></link>
 <author><![CDATA[hero]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 13 Jun 2008 09:28:21 +0000]]></pubdate>
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 <description><![CDATA[上图的二者区别！谢谢解说]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15093#241747.html]]></link>
 <author><![CDATA[yanglingson]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 13 Jun 2008 09:08:15 +0000]]></pubdate>
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