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 <title><![CDATA[请教]]></title>
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 <description><![CDATA[S7-200的2口都是485口，而你使用232的电缆形式，当然不会成功。需要增加一个232转485的适配器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12752#214428.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 29 Apr 2008 03:05:37 +0000]]></pubdate>
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