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 <title><![CDATA[求救 冒险竞争]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147.html]]></link>
 <description><![CDATA[Latest 50 replies of 求救 冒险竞争]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[2楼的兄弟，X0一直闭合的话，Y0是断不了的，是由X0通断周期决定了Y0的通断周期]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1130540.html]]></link>
 <author><![CDATA[boehf1982]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 23 Sep 2011 14:09:02 +0000]]></pubdate>
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 <description><![CDATA[一般程序里面缺少必要的interlock很容易产生不希望的这种冒险竞争]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1130537.html]]></link>
 <author><![CDATA[boehf1982]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 23 Sep 2011 14:04:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢！学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1130504.html]]></link>
 <author><![CDATA[tangzhongze]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 23 Sep 2011 12:53:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[单按钮起停]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1118248.html]]></link>
 <author><![CDATA[w19761118]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 31 Aug 2011 11:36:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢！学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1115607.html]]></link>
 <author><![CDATA[xiaoyan]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 26 Aug 2011 13:43:41 +0000]]></pubdate>
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 <description><![CDATA[这是利用PLC的扫描周期方式来输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1111293.html]]></link>
 <author><![CDATA[hhhhuang]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 23:29:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1111289.html]]></link>
 <author><![CDATA[ghost.net]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 23:10:22 +0000]]></pubdate>
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 <description><![CDATA[这个是单按钮的电机启停止，利用的是程序是扫描运行方式实现的吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110833.html]]></link>
 <author><![CDATA[842386283]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 04:31:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请教下 他们直接没冒险竞争？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110802.html]]></link>
 <author><![CDATA[512928605]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 03:36:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:17]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;谢谢 虽然还是不懂&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110797.html]]></link>
 <author><![CDATA[512928605]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 03:27:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[复杂，看不明白！不知这程序有啥作用呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110796.html]]></link>
 <author><![CDATA[550374389]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 03:26:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不好意思，第四次是M1失电。
看此图关键是要分析每个扫描周期M1和Y0的触点，在上次扫描时的状态。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110795.html]]></link>
 <author><![CDATA[ukqbso]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 03:26:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如是X0闭合的话，第一次扫描结果是M1闭，Y0得电；第二次M1断，Y0已自锁；第三次为M
1得电(第四行），Y0断；第四次扫描时M1还是得电，Y0无电没通路，还是断； ，，此程序M1每一扫描周期转换一次通断状态，，而Y0则每两周期转换一次，，所以此程序为4扫描周期的高低电平等宽电路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-117147#1110786.html]]></link>
 <author><![CDATA[ukqbso]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 18 Aug 2011 03:13:06 +0000]]></pubdate>
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