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 <title><![CDATA[三菱PLC端口读写]]></title>
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 <description><![CDATA[Latest 50 replies of 三菱PLC端口读写]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在上位机上，通过监控软件与PLC的M0建立变量连接，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132619.html]]></link>
 <author><![CDATA[cxlxt]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Sep 2011 07:20:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132614.html]]></link>
 <author><![CDATA[mn1230]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Sep 2011 07:11:49 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[上位机改写PLC中未被程序输出使用的中间继电器，在程序中用此中间继电器同时驱动需输出的Y口，关键是上位机改写的点不能被PLC程序改写。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132422.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Sep 2011 01:32:57 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[把PLC开关拨在stop上就可以控制Y了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132417.html]]></link>
 <author><![CDATA[hxcat]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Sep 2011 01:30:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC程序执行后Y的状态就是PLC输出状态，上位机即使改写也立即被PLC程序重写了。除非PLC程序中未使用的Y，才能被上位机改写]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132234.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Sep 2011 13:02:34 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[程序是否含密码
是否插了储存卡]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121022#1132175.html]]></link>
 <author><![CDATA[北人股份]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Sep 2011 10:44:17 +0000]]></pubdate>
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