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 <title><![CDATA[三菱F500变频器故障！]]></title>
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 <description><![CDATA[Latest 50 replies of 三菱F500变频器故障！]]></description>
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 <description><![CDATA[电压检测这个光耦不好。外围都正常 ，那过电流保护呢？是那个不好呀？？ 求指教]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1442772#1513106.html]]></link>
 <author><![CDATA[liulungao]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 21 Nov 2013 12:28:04 +0000]]></pubdate>
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 <description><![CDATA[学习一下，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1442772#1513072.html]]></link>
 <author><![CDATA[zhaolifei200]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 21 Nov 2013 10:59:20 +0000]]></pubdate>
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 <description><![CDATA[已解决，是内部检测电压的线性光耦老化所致，型号A7800。采用A7840更换后解决！！！！！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1442772#1513043.html]]></link>
 <author><![CDATA[leechonghua]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 21 Nov 2013 09:41:07 +0000]]></pubdate>
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