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 <title><![CDATA[关於脉冲输出控制变频器的频率]]></title>
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 <description><![CDATA[Latest 50 replies of 关於脉冲输出控制变频器的频率]]></description>
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 <description><![CDATA[那位大哥有条件帮我实际试一试，用PWM指令输出一脉冲信号，直接接到变频器的模拟量输入端，看看能不能调速？谢了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22954#334215.html]]></link>
 <author><![CDATA[ljc2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2008 03:12:05 +0000]]></pubdate>
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 <description><![CDATA[只有A700的有此功能，类似伺服定位！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22954#331237.html]]></link>
 <author><![CDATA[daizhi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Oct 2008 07:44:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[E500有脉冲输入功能？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22954#331221.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Oct 2008 07:21:23 +0000]]></pubdate>
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 <description><![CDATA[诚请版主和高手们参与讨论，小弟很想学习啊！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22954#331209.html]]></link>
 <author><![CDATA[ljc2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Oct 2008 07:01:12 +0000]]></pubdate>
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