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 <title><![CDATA[关于PTO的使用]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433538.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于PTO的使用]]></description>
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 <description><![CDATA[谢谢，，你的意思是一直要重复执行控制字的赋值和包络表的建立 ，，脉冲才会不断输出吗，，那这样的话PTO就不用初始化函数了是吗，，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433538#1469412.html]]></link>
 <author><![CDATA[烛坤12]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 15:10:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制字和脉冲数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433538#1469091.html]]></link>
 <author><![CDATA[beichen]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 02:33:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[预制值，，？PTO的预置值是指什么，包络表，还是控制字呢？，谢谢了……]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433538#1469048.html]]></link>
 <author><![CDATA[烛坤12]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 01:39:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不会的，要设预制值。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1433538#1469036.html]]></link>
 <author><![CDATA[beichen]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 29 Jul 2013 01:12:06 +0000]]></pubdate>
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