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 <title><![CDATA[PLC问题请帮忙]]></title>
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 <description><![CDATA[Latest 50 replies of PLC问题请帮忙]]></description>
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 <description><![CDATA[重点检查外围电源,有的PLC的输入,输出是要有24V电源才能正常工作,如果你的机器上面与PLC输入,输出供电的24V电源出了问题,就可能出现你说的情况]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47740#646538.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Oct 2009 12:37:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输入端有没有24V电压？一般都是外围问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47740#646531.html]]></link>
 <author><![CDATA[金山王子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Oct 2009 12:33:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC本身的电源模块看一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47740#646502.html]]></link>
 <author><![CDATA[二球一哥]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Oct 2009 12:12:49 +0000]]></pubdate>
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 <description><![CDATA[查PLC供电电源；有些I/O还是外部供电的一样需要查。是否符合要求。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47740#646497.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Oct 2009 12:10:02 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[外围电源＋图纸]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-47740#646487.html]]></link>
 <author><![CDATA[taipi-k]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Oct 2009 11:59:53 +0000]]></pubdate>
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