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 <title><![CDATA[能否用plc输出的pwm来控制变频器]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705.html]]></link>
 <description><![CDATA[Latest 50 replies of 能否用plc输出的pwm来控制变频器]]></description>
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 <description><![CDATA[好好学习 天天向上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#330132.html]]></link>
 <author><![CDATA[lxxzzw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Oct 2008 01:34:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[好好学习 天天向上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#330131.html]]></link>
 <author><![CDATA[lxxzzw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Oct 2008 01:34:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[其实我还是不明白]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#330129.html]]></link>
 <author><![CDATA[grass7670]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Oct 2008 01:33:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[表示关注 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#327965.html]]></link>
 <author><![CDATA[卓发智能]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Oct 2008 17:47:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[当然可以，看一下pwm指令就会了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#327362.html]]></link>
 <author><![CDATA[lrf7621]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Oct 2008 02:25:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[能否控制取決於變頻器能否接受脈衝信號~~~

以上~~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#327109.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Oct 2008 13:37:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[因该可以，但是调试比较麻烦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#327101.html]]></link>
 <author><![CDATA[buyiwuxi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Oct 2008 13:34:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[pwm来控制变频器对于要求不高的话是可以的，精度不是很好，个人感觉用模拟量控制比较稳定。 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-22705#327076.html]]></link>
 <author><![CDATA[jwm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Oct 2008 13:04:34 +0000]]></pubdate>
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