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 <title><![CDATA[新手问题大侠帮下]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891.html]]></link>
 <description><![CDATA[Latest 50 replies of 新手问题大侠帮下]]></description>
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 <description><![CDATA[这样的话，你加个扩展模块试试看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#799516.html]]></link>
 <author><![CDATA[wdgkrjygwq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 03 Jun 2010 13:13:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[普通的东西、你还要加倍努力。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#799351.html]]></link>
 <author><![CDATA[liaohuijian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 03 Jun 2010 09:38:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[触发瞬间]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#799344.html]]></link>
 <author><![CDATA[liaohuijian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 03 Jun 2010 09:28:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[既然你没有那么多输入点，就用中间继电器不行吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#798500.html]]></link>
 <author><![CDATA[自由的心]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Jun 2010 07:32:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还有我的PLC只有X0——X7
程序里面都用到X20了
让后把程序写到PLC里&nbsp;&nbsp; X7以后的触点我用强制控制&nbsp;&nbsp;这可以吗？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797736.html]]></link>
 <author><![CDATA[yxc111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 05:40:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有啊
就是X0控制T0
然后T0常开控制Y0]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797732.html]]></link>
 <author><![CDATA[yxc111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 05:37:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要是把T0的常闭接点、控制T0线圈，就是楼主所说的情况。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797727.html]]></link>
 <author><![CDATA[qlin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 05:33:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我不知道怎么把程式传上来啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797726.html]]></link>
 <author><![CDATA[yxc111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 05:33:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797706.html]]></link>
 <author><![CDATA[小小张]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 05:12:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可能把程式写上来分析一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797686.html]]></link>
 <author><![CDATA[mfkynkgy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 04:56:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼的意思是这个跟程式有关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797674.html]]></link>
 <author><![CDATA[yxc111]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 04:46:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[第二个问题要看你的程式是怎么写的了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797668.html]]></link>
 <author><![CDATA[mfkynkgy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 04:39:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[上升沿脉冲（PLS）是指接通的第一个扫描周期动作一次。其它时间是不动作的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65891#797666.html]]></link>
 <author><![CDATA[mfkynkgy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Jun 2010 04:38:11 +0000]]></pubdate>
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