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 <title><![CDATA[请教:三菱PLC与变频器控制电机时怎样来实 ..]]></title>
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 <description><![CDATA[变频器控制寸动？用伺服吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#545430.html]]></link>
 <author><![CDATA[djx1968]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Jun 2009 13:05:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;用步进多省事？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#519170.html]]></link>
 <author><![CDATA[树人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 15:01:15 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[是否可以试试斜坡指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#519041.html]]></link>
 <author><![CDATA[litao0574]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 13:26:54 +0000]]></pubdate>
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 <description><![CDATA[我是要用PLC输出端控制.我试了好多次都难实现点动(寸动)正/反转.但必须要实现寸动设定的频率一样.而不是正起动频率.该怎样实现.(该接线和编程)??谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#518967.html]]></link>
 <author><![CDATA[ahyhh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 12:31:35 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用PLC的输出点控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#518489.html]]></link>
 <author><![CDATA[liuxianhua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 02:41:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器由输入端子组成，可以组成16种速度，你想用哪种就用哪种！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#518382.html]]></link>
 <author><![CDATA[haoweng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 00:50:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[按你的说法，变频器正好有三个使能输入端，却频率正好要内部设定。让PLC输出三个讯号就行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#518347.html]]></link>
 <author><![CDATA[yyhexf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 00:06:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用普通电机难实现吧，要是用步进电机或伺服电机就好做了，你是不是说要正反点动（寸动）加减速啊，如果是这样就好实现了结。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-37089#518343.html]]></link>
 <author><![CDATA[wangfuwang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 14 May 2009 00:01:39 +0000]]></pubdate>
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