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 <title><![CDATA[求教西门子S7-200脉冲发送程序]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599.html]]></link>
 <description><![CDATA[Latest 50 replies of 求教西门子S7-200脉冲发送程序]]></description>
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 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1646913.html]]></link>
 <author><![CDATA[jdzjp]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 01 Mar 2015 10:10:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[绝对定位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1618487.html]]></link>
 <author><![CDATA[jjx51798266]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Nov 2014 07:04:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[求教西门子S7-200脉冲发送程序]]></title>
 <description><![CDATA[s7 226PLC 回原点与手动正反，还有自动绝对定位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1618486.html]]></link>
 <author><![CDATA[jjx51798266]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Nov 2014 07:03:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同样的问题，坐等在]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1609381.html]]></link>
 <author><![CDATA[sisterth]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Oct 2014 04:10:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要是不是很精确的就一个定时器和一个比较指令的搞定了啊，定时器自动复位，比较指令到多长时间办了脉冲 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1609376.html]]></link>
 <author><![CDATA[nnnice]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Oct 2014 03:40:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也在求]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1609098.html]]></link>
 <author><![CDATA[513134007]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 11 Oct 2014 01:44:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[顶一个。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1604242.html]]></link>
 <author><![CDATA[ht920077]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 21 Sep 2014 04:04:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[求老大们指导啊！ [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1463599#1595384.html]]></link>
 <author><![CDATA[673847508]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 19 Aug 2014 02:59:55 +0000]]></pubdate>
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