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 <title><![CDATA[S7-200 PTO向导控制步进电机]]></title>
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 <description><![CDATA[Latest 50 replies of S7-200 PTO向导控制步进电机]]></description>
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 <description><![CDATA[谢谢，非常感谢，我试下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479671#1647361.html]]></link>
 <author><![CDATA[jingbaoquan]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 03 Mar 2015 08:55:17 +0000]]></pubdate>
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 <description><![CDATA[你为什么调用两次PT00。一次就够了。正反转控制就使能一个位就可以了。还有就是把频率降到1000试试。可能是步进电机丟步。个人见解。不知对不对。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479671#1647150.html]]></link>
 <author><![CDATA[百度]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Mar 2015 12:26:00 +0000]]></pubdate>
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