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 <title><![CDATA[s7200plc加EM277模块用profibus总线控制丹 ..]]></title>
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 <description><![CDATA[Latest 50 replies of s7200plc加EM277模块用profibus总线控制丹 ..]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[EM277只能做为从站，没有听说过做为主站的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404151#1351476.html]]></link>
 <author><![CDATA[opencloudy]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 27 Sep 2012 09:22:13 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[EM277只能做为从站，如果你想省成本用S7-1200吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404151#1351302.html]]></link>
 <author><![CDATA[xcaq123]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 27 Sep 2012 03:36:37 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[配个西门子的屏当主站就行。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404151#1350575.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 26 Sep 2012 01:03:53 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[EM277只能做为从站，没有听说过做为主站的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404151#1349811.html]]></link>
 <author><![CDATA[z061403]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 11:41:21 +0000]]></pubdate>
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