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 <title><![CDATA[求助关于接近开关]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助关于接近开关]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sat, 02 May 2026 11:05:35 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一般都有接线图的，2，3线分颜色。一般棕色姐DC+24V，蓝色DC0V，黑色接PLC输入]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#400324.html]]></link>
 <author><![CDATA[karajan_8079]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 29 Dec 2008 02:21:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把正负极弄清楚行了&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#398505.html]]></link>
 <author><![CDATA[plcxt(s.m)]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Dec 2008 02:41:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般日系的如FXPLC的输入为共负的，就用NPN型的

而欧系的如西门子的输入是共正 就用PNP的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#398328.html]]></link>
 <author><![CDATA[ak47m16u571]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 26 Dec 2008 18:00:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[按图接线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#396498.html]]></link>
 <author><![CDATA[op3322]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Dec 2008 12:46:47 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[都有常开与常闭，根据PLC的型号选择NPN 或PNP
两根线，三根线的分直流和交流]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#396160.html]]></link>
 <author><![CDATA[hylivy2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Dec 2008 07:35:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[都有常开与常闭，根据PLC的型号选择NPN 或PNP，接线方法看说明书，上面写的很清楚]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#396118.html]]></link>
 <author><![CDATA[coverpaper]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Dec 2008 07:00:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[npn.pnp都有常开和常闭型，连接PLC的大多用NPN常开型的。不同品牌的PLC有不同的接法。
具体接法请参照PLC手册]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27795#396078.html]]></link>
 <author><![CDATA[zxc6688]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Dec 2008 06:19:48 +0000]]></pubdate>
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