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 <title><![CDATA[请教S7-200 USS通讯]]></title>
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 <description><![CDATA[Latest 50 replies of 请教S7-200 USS通讯]]></description>
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 <description><![CDATA[我也下来学习一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1372839#1251238.html]]></link>
 <author><![CDATA[冰心]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Apr 2012 06:42:16 +0000]]></pubdate>
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 <description><![CDATA[谢谢大家帮助！找到问题了 MM420变频器用的USS通讯端子为14 15&nbsp;&nbsp;MM440用的端子是 29 30 ，把端子接错了 ！]]></description>
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 <author><![CDATA[monkeykinghy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Apr 2012 06:13:20 +0000]]></pubdate>
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 <description><![CDATA[监控VB102，显示几，找出故障]]></description>
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 <author><![CDATA[lichenhui333]]></author>
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 <pubdate><![CDATA[Fri, 20 Apr 2012 00:29:25 +0000]]></pubdate>
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 <description><![CDATA[Best regards!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1372839#1250742.html]]></link>
 <author><![CDATA[gongyekongzh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 19 Apr 2012 12:16:47 +0000]]></pubdate>
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