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 <title><![CDATA[请教置位复位指令问题！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教置位复位指令问题！]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[刚做了下仿真测试，X1 , X2，同时接通的时候，不管Y1 之前的状态是什么样的，程序后面指令有效，

如：LD&nbsp;&nbsp; X1&nbsp;&nbsp;&nbsp;&nbsp; RST&nbsp;&nbsp; Y1
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LD&nbsp;&nbsp; X2&nbsp;&nbsp;&nbsp;&nbsp; SET&nbsp;&nbsp; Y1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#1073363.html]]></link>
 <author><![CDATA[雷志生]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 18 Jun 2011 08:48:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[四个字，复位优先，哈哈]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#1073314.html]]></link>
 <author><![CDATA[陈运华]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 18 Jun 2011 07:26:24 +0000]]></pubdate>
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 <description><![CDATA[1&nbsp;&nbsp;&nbsp;&nbsp; y1会复位。
2&nbsp;&nbsp;&nbsp;&nbsp;y1不会置位。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#1071996.html]]></link>
 <author><![CDATA[幸运娃161]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 16 Jun 2011 15:03:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有道理哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#912031.html]]></link>
 <author><![CDATA[ydjc]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 24 Nov 2010 06:33:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;我觉得应该是这样动作的，你想想是吗？当x1保持接通时，此时接通x2,&nbsp;&nbsp;y1会复位， 如果在x2持续接通的情况下，再接通X1，y1也不会置位，还是复位！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#722485.html]]></link>
 <author><![CDATA[huixiaxuema]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Feb 2010 14:05:20 +0000]]></pubdate>
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 <description><![CDATA[X1 X2都没ON是Y1为RST 并保持，当X1 ON时 Y1为SET并保持，当X1 ON且X2 ON后Y2为RST并保持。
当X2先ON X1后ON时 Y1都为RST 。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#722224.html]]></link>
 <author><![CDATA[287422592]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Feb 2010 07:37:29 +0000]]></pubdate>
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 <description><![CDATA[了解一下PLC的扫描工作原理就好理解了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#722204.html]]></link>
 <author><![CDATA[wayu]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Feb 2010 07:03:07 +0000]]></pubdate>
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 <description><![CDATA[我同意楼上的说法。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#722013.html]]></link>
 <author><![CDATA[tangjin19861]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Feb 2010 01:56:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[了解一下PLC的扫描工作原理就好理解了。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#721960.html]]></link>
 <author><![CDATA[zhaoyang4505]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Feb 2010 00:35:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;当x1保持接通时，此时接通x2,&nbsp;&nbsp;y1会复位， 如果在x2持续接通的情况下，再接通X1，y1也不会置位，还是复位！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55667#721851.html]]></link>
 <author><![CDATA[华丰]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 03 Feb 2010 14:41:02 +0000]]></pubdate>
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