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 <title><![CDATA[西门子s7-200传输线的问题]]></title>
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 <description><![CDATA[Latest 50 replies of 西门子s7-200传输线的问题]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[小心把你的串口烧了,带供电的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125699#1159002.html]]></link>
 <author><![CDATA[xiaoqizi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 14:09:14 +0000]]></pubdate>
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 <description><![CDATA[s7-200,不行呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125699#1158948.html]]></link>
 <author><![CDATA[weiyishan]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 13:36:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你把这条线用于什么的下载线？S7-200的，还是TD200的？
这条线是RS485的，是不能不下载传输线的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125699#1158935.html]]></link>
 <author><![CDATA[fjqz00]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 13:18:29 +0000]]></pubdate>
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