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 <title><![CDATA[求教程序问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143222.html]]></link>
 <description><![CDATA[Latest 50 replies of 求教程序问题]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[我编这个程序的意思是让QB0每来一次I0.0的上升沿依次点亮几个，然而当I0.1的上升沿再重新依次点亮。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143222#1228186.html]]></link>
 <author><![CDATA[天下寒士]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2012 03:11:24 +0000]]></pubdate>
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 <description><![CDATA[s7-200有仿真软件的，下载仿真看看。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143222#1227798.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 Mar 2012 10:09:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个程序是你编的，还是在理解别人的程序？
假如I0.1上升沿到来后Q0.0不为1的话，以后你在按I0.0就看不到左移位现象了。重点看看
LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SM0.1

O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143222#1227796.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 Mar 2012 10:07:31 +0000]]></pubdate>
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