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 <title><![CDATA[求助这个该怎么理解]]></title>
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 <description><![CDATA[Latest 50 replies of 求助这个该怎么理解]]></description>
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 <description><![CDATA[这是最简单的启保停电路啊， [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1518364.html]]></link>
 <author><![CDATA[hsqknx]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Wed, 04 Dec 2013 06:00:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1518110.html]]></link>
 <author><![CDATA[sylarw]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Dec 2013 13:47:57 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC程序有顺序的。那个停止要到下次扫描才执行的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517862.html]]></link>
 <author><![CDATA[huhuil1l1]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Dec 2013 02:30:59 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[跑马灯的循环例子1~8顺序亮，再反过来灭，每次只有一个灯亮！也许对你有参考价值！

 [attachment=115272]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517777.html]]></link>
 <author><![CDATA[qfgkr]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Dec 2013 01:08:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[手册看下，那上面有定时器的说明的。 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517756.html]]></link>
 <author><![CDATA[理论初学者]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Dec 2013 00:39:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是说定时器的常开和常闭是互锁的吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517703.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 14:19:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是什么电器原件啊，有这功能]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517687.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:55:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我不明白TIM000长闭被定时器给断开了。怎么下一步的TIM000长开怎么接通的？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517686.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:54:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制要求
　　A,B,C,D四个传送带上，任意一个传送带上放上重物后，都会按顺序逐个传送到D带再结束，四个传送带工作时相应的M1，M2，M3，M4灯要同步亮]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517683.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:42:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[梯形图的最后一部分怎么理解谁解释下好吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517682.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:37:56 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[下面是接线图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517681.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:37:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[梯形图还有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1443527#1517679.html]]></link>
 <author><![CDATA[youtuo]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Dec 2013 13:34:42 +0000]]></pubdate>
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