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 <title><![CDATA[西门子PLC接线的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子PLC接线的问题]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[又学了一招啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#964132.html]]></link>
 <author><![CDATA[无锡大阿福]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Jan 2011 04:31:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学一招，顶一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#963624.html]]></link>
 <author><![CDATA[871117]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 25 Jan 2011 05:18:15 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学一招]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#963405.html]]></link>
 <author><![CDATA[xikelele]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 25 Jan 2011 00:36:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正在学习中……帮不上，顶你一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#963350.html]]></link>
 <author><![CDATA[山东滕州]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 15:17:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[理论上是不用的通道要屏蔽掉。而且要短接。这样可以减少PLC访问模块的时间。但实际不这么做，留着以后方便使用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#963150.html]]></link>
 <author><![CDATA[chehaibo2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 12:26:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[刚在学这个……]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#963139.html]]></link>
 <author><![CDATA[beethoven21]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 12:19:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[短接的作用在于模块扫描时将短接通道作为不使用通道，从而减少扫描时间，你如果不在乎扫描时间的多少，不处理也无妨。

Good Luck]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-95039#962700.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 02:03:46 +0000]]></pubdate>
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