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 <title><![CDATA[断开延时]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823.html]]></link>
 <description><![CDATA[Latest 50 replies of 断开延时]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[断开延时&nbsp;&nbsp;我第一个想到的是 下降沿 来触发定时器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#790282.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 May 2010 10:44:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第8楼longfei1982于2010-05-21 17:21发表的&nbsp;&nbsp;:
直接用x0的下降沿指令PLF控制一个自锁的线圈，线圈下并联计时器，再主线上加计时器的常闭点就可以了。[s:28]
[/quote]
[b][size=7]NO![/size][/b]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#790226.html]]></link>
 <author><![CDATA[刘建强]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 May 2010 09:35:40 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[直接用x0的下降沿指令PLF控制一个自锁的线圈，线圈下并联计时器，再主线上加计时器的常闭点就可以了。[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#790212.html]]></link>
 <author><![CDATA[longfei1982]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 May 2010 09:21:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[1楼的程序我看了，从作工控的角度来说，好像显得有点不专业哦，不过能用。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#786612.html]]></link>
 <author><![CDATA[wzj810123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 16 May 2010 13:39:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[崇拜5楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#784373.html]]></link>
 <author><![CDATA[风雨中有承诺]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 May 2010 10:57:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[4楼,你说错了,2楼写的程序是对的,
程序里X001按钮按下闭合时,Y001成自锁,由于X001的常闭点断开,T1线圈是不计时的,当松开X001时,它的常闭点合位,T1线圈开始计时.计时时间到,T1常闭点断开,全部复位.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#783907.html]]></link>
 <author><![CDATA[许剑锋]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 May 2010 17:42:43 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[二楼的程序不成立啊！写的不对啊！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#778692.html]]></link>
 <author><![CDATA[wqing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 05 May 2010 13:08:19 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#778209.html]]></link>
 <author><![CDATA[庞金玉]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 05 May 2010 01:33:27 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#777461.html]]></link>
 <author><![CDATA[刘建强]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 04 May 2010 03:31:31 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我有你看一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-62823#777441.html]]></link>
 <author><![CDATA[宏仔0750]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 04 May 2010 02:59:58 +0000]]></pubdate>
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