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 <title><![CDATA[三菱PLC如何用一个光电眼控制一个气缸来回 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623.html]]></link>
 <description><![CDATA[Latest 50 replies of 三菱PLC如何用一个光电眼控制一个气缸来回 ..]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[也可以用一个双头电磁阀。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1025822.html]]></link>
 <author><![CDATA[gumeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Apr 2011 12:42:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[八楼说的有道理]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1025803.html]]></link>
 <author><![CDATA[ll1977]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Apr 2011 12:28:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用磁性感应开关继电器旋转开关就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1025141.html]]></link>
 <author><![CDATA[wwee]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Apr 2011 18:10:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[求教 如何用三个继电器实现&nbsp;&nbsp;谁能帮画个图看看&nbsp;&nbsp; 同解]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1021161.html]]></link>
 <author><![CDATA[薰衣草018]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 20 Apr 2011 11:34:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以做到的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1021136.html]]></link>
 <author><![CDATA[vic]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 20 Apr 2011 11:17:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用继电器就卖不出钱啦。[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1020820.html]]></link>
 <author><![CDATA[taoliang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 20 Apr 2011 04:33:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用三个继电器控制就OK,有钱也没必要那么浪费]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1015548.html]]></link>
 <author><![CDATA[cchcw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 Apr 2011 01:47:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以用ALT指令，前后要用限位停止，当启动设备你的电子眼检测到第一物体的时候，指令执行一次，你的设备往前运行，前端到位限位停止，当电子眼检测的第二个物体的时候，指令执行第二次，设备往后运行，后退到位限位停止。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010970.html]]></link>
 <author><![CDATA[晴天]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 14:37:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用ALT 不是ATLP 忘了 呵呵]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010929.html]]></link>
 <author><![CDATA[yuanshunk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 14:09:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你的意思是启动一下，后续都连续动作？
&nbsp;&nbsp;如果这样的话 ： 你看一下
&nbsp;&nbsp;启动 X0
&nbsp;&nbsp; 前&nbsp;&nbsp;X1
&nbsp;&nbsp; 后&nbsp;&nbsp;X2
&nbsp;&nbsp;电磁阀&nbsp;&nbsp;Y0
LD X0&nbsp;&nbsp; ALTP Y0 
ORP X2
LD X1&nbsp;&nbsp; RST Y0
可是试一试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010926.html]]></link>
 <author><![CDATA[yuanshunk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 14:08:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[能具体说说吗 单键开关听上去是这个意思

ALT指令吗 怎么用具体]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010901.html]]></link>
 <author><![CDATA[baoshanhen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 13:46:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是单键开关功能吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010891.html]]></link>
 <author><![CDATA[王春茂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 13:32:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用应用指令ALT.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101623#1010886.html]]></link>
 <author><![CDATA[longfei1982]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Apr 2011 13:28:53 +0000]]></pubdate>
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