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 <title><![CDATA[s7-300 probfebus频繁报警]]></title>
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 <description><![CDATA[Latest 50 replies of s7-300 probfebus频繁报警]]></description>
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 <description><![CDATA[probfebus报警时，probfebus灯闪亮还是常亮，一般来说probfebus报警大部分是物理链路上的问题，不排除PLC的故障，还有就是干扰问题，就是将DP通讯线要单独放置于动力电缆平行时要穿钢管，接地要处理好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30162#573362.html]]></link>
 <author><![CDATA[ctgdcs]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 11 Jul 2009 13:38:48 +0000]]></pubdate>
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 <description><![CDATA[联机PLC，监控故障诊断。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30162#430140.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2009 03:05:18 +0000]]></pubdate>
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