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 <title><![CDATA[通讯问题S7-200]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010.html]]></link>
 <description><![CDATA[Latest 50 replies of 通讯问题S7-200]]></description>
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 <description><![CDATA[可以，我以前用过，但是装驱动时候要注意下。好像有个驱动装一个就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010#1482368.html]]></link>
 <author><![CDATA[329345277]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Sep 2013 13:23:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[CP5711 西门子全搞定]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010#1482347.html]]></link>
 <author><![CDATA[文名]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Sep 2013 12:34:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多麻烦啊！一根ppi_rs485很简单就搞定了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010#1481739.html]]></link>
 <author><![CDATA[北方]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 01 Sep 2013 12:57:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有USB-RS232电缆就能建立PC与PLC之间的通信
再加上RS232-485，也能建立PC与PLC之间，PLC与PLC的通信。关键要设置好通信参数。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010#1481570.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 01 Sep 2013 01:40:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[USB---&gt;232加上232----&gt;485，可以和S7-200通讯监控或者下载读取程序的。实际验证使用过。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1436010#1481439.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 31 Aug 2013 12:17:46 +0000]]></pubdate>
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