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 <title><![CDATA[请教]]></title>
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 <description><![CDATA[好的谢谢我看下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28872#412906.html]]></link>
 <author><![CDATA[clj]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 12 Jan 2009 10:39:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上所说正确

掉电保持其实是PLC保持的

参数一般使用PLC掉电保持的D,看一下PLC的使用手册,不同型号的掉电保持区域可能不同]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28872#412541.html]]></link>
 <author><![CDATA[YMMFA]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 12 Jan 2009 02:27:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用掉电保持的D和M]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-28872#411853.html]]></link>
 <author><![CDATA[xyd_hsn10]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 11 Jan 2009 02:46:07 +0000]]></pubdate>
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