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 <title><![CDATA[MPI通讯最长能到多少米?]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864.html]]></link>
 <description><![CDATA[Latest 50 replies of MPI通讯最长能到多少米?]]></description>
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 <description><![CDATA[&nbsp;&nbsp; 最好不要超过100m]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#332134.html]]></link>
 <author><![CDATA[zhou1211]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 17 Oct 2008 05:42:35 +0000]]></pubdate>
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 <description><![CDATA[你就试试吧，别忘记给我个信]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#284176.html]]></link>
 <author><![CDATA[dlzhoubo]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 11 Aug 2008 13:47:18 +0000]]></pubdate>
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 <description><![CDATA[我们单位7台压缩机用MPI距离大概有105米左右，没问题的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#281982.html]]></link>
 <author><![CDATA[jiayanyu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 08 Aug 2008 10:44:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#281418.html]]></link>
 <author><![CDATA[sjhwx]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 07 Aug 2008 16:33:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[他是一种485通信！485多长它就能用多长]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#272436.html]]></link>
 <author><![CDATA[dglzs]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 17:50:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我用过80米的，到现在两年了没有出现过任何通讯问题。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#270376.html]]></link>
 <author><![CDATA[lgf1008]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 24 Jul 2008 05:44:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这种长度没有任何意义，西门子官方是50米，超过的部分不做任何保证。如果你的系统不是对付的话，还是考虑增加中继或者使用DP吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#269913.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 23 Jul 2008 12:36:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[自己先顶一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17864#269623.html]]></link>
 <author><![CDATA[winner_pro]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 23 Jul 2008 06:33:19 +0000]]></pubdate>
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