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 <title><![CDATA[西门子s7-200 模拟量的问题！！！！求助]]></title>
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 <description><![CDATA[Latest 50 replies of 西门子s7-200 模拟量的问题！！！！求助]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1209179.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 14 Feb 2012 06:32:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[新手提点儿不一定对的理解
你的通讯命令有问题
02 06 00 00 7D 00&nbsp;&nbsp;CRC
西门子的寄存器地址 应该是从40001-49999
所以你的寄存器地址是有问题的，你需要把AQW0映射到某个寄存器上，然后再写寄存器才可以。
仅供参考，也是初学者]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1209154.html]]></link>
 <author><![CDATA[8365921]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 14 Feb 2012 05:32:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不好意思，未学到这里，帮不了你。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1208796.html]]></link>
 <author><![CDATA[fhpyw]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 10:17:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1208565.html]]></link>
 <author><![CDATA[dreamflylau]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:50:42 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[求 HELP！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1208452.html]]></link>
 <author><![CDATA[as88423250]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 00:48:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没人？&nbsp;&nbsp; [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136874#1208224.html]]></link>
 <author><![CDATA[as88423250]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Feb 2012 08:43:37 +0000]]></pubdate>
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