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 <title><![CDATA[s7-300的DP与MPI通信]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788.html]]></link>
 <description><![CDATA[Latest 50 replies of s7-300的DP与MPI通信]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[来看看 挖坟的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#1010151.html]]></link>
 <author><![CDATA[爱家爱china]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 07 Apr 2011 15:11:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正学习中]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#939488.html]]></link>
 <author><![CDATA[天锋]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 23 Dec 2010 14:40:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[全部用DP传就好了，组成一个网络。两种网络在一个线上完成就不要考虑了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#930998.html]]></link>
 <author><![CDATA[meiyouleya]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Dec 2010 00:19:01 +0000]]></pubdate>
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 <description><![CDATA[用MPI的我就见到过，我们公司的进口设备有一条生产线是两个主站S7300PLC通过MPI通讯进行交换数据的还不错，主站与从站才是用DP通讯的，如S7300与ET-200之类的远程I/O就是用DP通讯的 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#930946.html]]></link>
 <author><![CDATA[qq593276766]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 14 Dec 2010 17:30:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[哦，能不能说的具体些啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#930825.html]]></link>
 <author><![CDATA[c8j4]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 14 Dec 2010 14:05:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在已运行DP协议的通讯线上走MPI协议？这种想法不要存在了。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-90788#930783.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 14 Dec 2010 13:34:24 +0000]]></pubdate>
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