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 <title><![CDATA[DFIU/DFID上升沿和下降沿到底是起什么作用 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994.html]]></link>
 <description><![CDATA[Latest 50 replies of DFIU/DFID上升沿和下降沿到底是起什么作用 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Wed, 15 Apr 2026 20:15:25 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一个按钮可以作为开和关来使用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1606430.html]]></link>
 <author><![CDATA[gmj_66]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 28 Sep 2014 13:13:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[太感谢了，貌似有所感悟了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1606222.html]]></link>
 <author><![CDATA[ahwhchj]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 28 Sep 2014 00:02:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[DFIU/DFID上升沿和下降沿通孰的说就是开关接通和开关断开瞬间信号。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1606182.html]]></link>
 <author><![CDATA[小小蜗牛]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sat, 27 Sep 2014 15:33:15 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[上升沿和下降沿只动作一次。
当开关量来说的话，上升沿按下时开，下降沿按下松开时才开。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1606178.html]]></link>
 <author><![CDATA[liusiming]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sat, 27 Sep 2014 15:12:56 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以作为动作结束的触发信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1603506.html]]></link>
 <author><![CDATA[bydetd]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Sep 2014 08:36:29 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[它只动作一次。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1465994#1603504.html]]></link>
 <author><![CDATA[bydetd]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Sep 2014 08:35:22 +0000]]></pubdate>
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