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 <title><![CDATA[传感器求助]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942.html]]></link>
 <description><![CDATA[Latest 50 replies of 传感器求助]]></description>
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 <description><![CDATA[对呀，就是好像没有接一样，不会有输入了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1006057.html]]></link>
 <author><![CDATA[huangyue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 11:02:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一个常闭。一个常开]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1006052.html]]></link>
 <author><![CDATA[jiangzhuang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 10:56:27 +0000]]></pubdate>
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 <description><![CDATA[输入没动作。不会损坏对PLC。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005820.html]]></link>
 <author><![CDATA[gtz]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 05:28:42 +0000]]></pubdate>
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 <description><![CDATA[[s:21] 没什么，就是没信号而已]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005810.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 05:21:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[等于玩]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005689.html]]></link>
 <author><![CDATA[xubaolin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 02:23:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[等于没信号输入]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005673.html]]></link>
 <author><![CDATA[dl2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Apr 2011 01:57:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你说的是NPN与PNP传感器误接PLC,你想一想？，型号不匹配它会工作吗？PN结只有在加正向电压（小于等于0.7V)时才能导通喔。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005507.html]]></link>
 <author><![CDATA[liuhuaxing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Apr 2011 14:32:49 +0000]]></pubdate>
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 <description><![CDATA[没输入…]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005471.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Apr 2011 14:10:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有什么问题啊！！！
因为你的问题问的本来就不清楚]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-100942#1005465.html]]></link>
 <author><![CDATA[suuy79]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Apr 2011 13:52:28 +0000]]></pubdate>
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