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 <title><![CDATA[一个标识不清的传感器如何确定是NPN还是PNP]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620.html]]></link>
 <description><![CDATA[Latest 50 replies of 一个标识不清的传感器如何确定是NPN还是PNP]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3楼和5楼的同志都说的很好呀. [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#730846.html]]></link>
 <author><![CDATA[neilnie]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Feb 2010 10:46:23 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[3楼5楼还不是一个意思，不过5楼大大的字数多些]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#730791.html]]></link>
 <author><![CDATA[tanopgy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Feb 2010 08:41:37 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[4楼和5楼说的对！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#730197.html]]></link>
 <author><![CDATA[juz1005]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Feb 2010 09:11:38 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[5楼说的很对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#730168.html]]></link>
 <author><![CDATA[jackal]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Feb 2010 08:34:04 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[了解下下面的帖子就明白了
[url]http://hi.baidu.com/wangx2723/blog/item/bfb7702a20a5239d023bf656.html/cmtid/2ae46e80db5c7adc9023d96f[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#730151.html]]></link>
 <author><![CDATA[up116]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Feb 2010 08:15:03 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[三楼正确。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#726262.html]]></link>
 <author><![CDATA[wjz7211]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 13 Feb 2010 13:48:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果有指示灯，加电后指示灯亮（未动作）即为NPN。反之为PNP。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#726041.html]]></link>
 <author><![CDATA[yuanhb888]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Feb 2010 12:04:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[5楼说的很对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#724846.html]]></link>
 <author><![CDATA[lkmaunui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Feb 2010 10:54:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看输出，输出为负的是NPN，正则是PNP]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#724825.html]]></link>
 <author><![CDATA[新手]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Feb 2010 09:34:47 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[是这样的呀!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#724785.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Feb 2010 07:44:17 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[给棕色线接上24V+，兰色接上0V，
1，此时用万用表的直流电压档一表笔接0V，另一表笔量传感器的黑脚，如果是PNP的，此时是24V（-24V）。
如果不是请继续下面：
2，再用万用表的直流电压档一表笔接24V+，另一表笔量传感器的黑脚，如果是NPN的，此时是0V。 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#723423.html]]></link>
 <author><![CDATA[xqx666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Feb 2010 14:17:13 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不是这么回事]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#722962.html]]></link>
 <author><![CDATA[kawasakilu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 05 Feb 2010 11:51:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般红是+24v 兰是0v&nbsp;&nbsp;还有黑色是输出 我说的是三线的情况&nbsp;&nbsp;接上电源导通一下。量下输出端是0v 还是24 0v就是npn 24v就是pnp]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#722695.html]]></link>
 <author><![CDATA[hsyyqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 05 Feb 2010 03:32:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接上线，带个中继，中继另一端接+，NPN。接——，PNP.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#721491.html]]></link>
 <author><![CDATA[yyhexf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 03 Feb 2010 05:06:27 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看线的颜色]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55620#721480.html]]></link>
 <author><![CDATA[niba]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 03 Feb 2010 04:43:40 +0000]]></pubdate>
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