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 <title><![CDATA[如何用PLC控制变频器的加减速。万分感谢]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114802.html]]></link>
 <description><![CDATA[Latest 50 replies of 如何用PLC控制变频器的加减速。万分感谢]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[3楼的老师你好，用通讯的话如何做。给个小例子说明一下行不？谢谢。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114802#1097514.html]]></link>
 <author><![CDATA[yumingming]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Jul 2011 05:19:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[直接通讯，还有就是外部给信号，这两种大家都知道。关键是看你是怎样给的，还有就是你对加速时间，加速度有没有要求，这些就是你程序处理的了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114802#1096751.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jul 2011 02:14:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[设备有人机就加个DA模块编程简单些。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114802#1096660.html]]></link>
 <author><![CDATA[ghost.net]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Jul 2011 18:50:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多着去了，通讯，DA，脉冲]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114802#1096652.html]]></link>
 <author><![CDATA[ydc820]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Jul 2011 16:47:18 +0000]]></pubdate>
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