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 <title><![CDATA[请教 接近开关问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教 接近开关问题]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上说的不错]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#993474.html]]></link>
 <author><![CDATA[面向未来]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Mar 2011 09:18:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PR12-4DN&nbsp;&nbsp;&nbsp;&nbsp;NPN.NO是什么意思，直径12，感应距离4mm,npn型，常开。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#993466.html]]></link>
 <author><![CDATA[sunpeter]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Mar 2011 09:00:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[五楼回答的很正确啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#993460.html]]></link>
 <author><![CDATA[gkgtldn]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Mar 2011 08:50:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[NPN输出是漏型，NO是常开]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#991213.html]]></link>
 <author><![CDATA[xupo1981]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Mar 2011 10:44:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[指的NPN型常开开关，它的外部电源共用线应与PNP的电源共用的极性正好相反，这一点好看原来PLC系统的电源是什么样的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#990043.html]]></link>
 <author><![CDATA[郭怀海]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 12 Mar 2011 15:28:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[NPN指的是漏型信号提取，PNP指的是源型信号。NO指的是常开，NC指的是常闭。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#988624.html]]></link>
 <author><![CDATA[coverpaper]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 11 Mar 2011 01:35:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不错，学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#988118.html]]></link>
 <author><![CDATA[星空依然蓝]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Mar 2011 06:33:51 +0000]]></pubdate>
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 <description><![CDATA[NO Normal open 
当正常情况下（未感知） 接近开关没有输出
当有物体感知 接近开关有输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#987621.html]]></link>
 <author><![CDATA[bellychang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 Mar 2011 12:03:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[NPN指的是漏型信号提取，PNP指的是源型信号。
NO指的是常开，NC指的是常闭。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#986538.html]]></link>
 <author><![CDATA[mydream214]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 08 Mar 2011 04:10:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习一下接近开关的型号 谢了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#986520.html]]></link>
 <author><![CDATA[chnian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 08 Mar 2011 03:35:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21] 主要是常态和工作状态下的信号输出 O(∩_∩)O哈！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979724.html]]></link>
 <author><![CDATA[画地为牢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 27 Feb 2011 02:03:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[NPN 是漏型，PNP是源型，NO常开触点&nbsp;&nbsp;NC 常闭触点 ，NPN常开接通时为低电平。（集电级开路输出）]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979712.html]]></link>
 <author><![CDATA[211开关]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 27 Feb 2011 01:26:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[NPN指的是漏型信号提取，PNP指的是源型信号。NO指的是常开，NC指的是常闭。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979543.html]]></link>
 <author><![CDATA[yaoxudong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Feb 2011 14:33:37 +0000]]></pubdate>
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 <description><![CDATA[有没有他的有关资料？谢谢了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979486.html]]></link>
 <author><![CDATA[yz8009]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Feb 2011 13:35:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[《 NPN.NO》是NPN类型常开输出接近开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979482.html]]></link>
 <author><![CDATA[萧风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Feb 2011 13:29:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[百度一下应有尽有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97025#979464.html]]></link>
 <author><![CDATA[lilongjuan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Feb 2011 13:06:10 +0000]]></pubdate>
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