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 <description><![CDATA[Latest 50 replies of ３００ＰＬＣ和ＰＣ连接问题]]></description>
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 <description><![CDATA[没错，你肯定是改变了通讯设置，你可以查一下现在的程序硬件组态及通讯协议。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47989#649117.html]]></link>
 <author><![CDATA[zz680217]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 17 Oct 2009 10:53:00 +0000]]></pubdate>
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 <description><![CDATA[下载程序后，改变了PLC的通讯参数。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47989#648775.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 16 Oct 2009 23:39:12 +0000]]></pubdate>
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