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 <title><![CDATA[旋转编码器和三菱PLC，怎么显示瞬时速度,,]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838.html]]></link>
 <description><![CDATA[Latest 50 replies of 旋转编码器和三菱PLC，怎么显示瞬时速度,,]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[感觉用编码器不好办吧，显示的是瞬时速度，不知用旋转变压器如何]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1170251.html]]></link>
 <author><![CDATA[f118]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 23 Nov 2011 12:24:49 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[瞬时速度用SPD是测不了的，SPD只是显示SPD中所定时后测的速度。速度稳定时可用SPD]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1170225.html]]></link>
 <author><![CDATA[jimmydongtao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 23 Nov 2011 12:03:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用PLC的脉冲计数功能，，单位时间脉冲数/编码器的码数&nbsp;&nbsp;就是电机的转速了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1166836.html]]></link>
 <author><![CDATA[a04230403]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 12:13:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[SPD [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1166362.html]]></link>
 <author><![CDATA[techo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 00:52:19 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[估计你的屏反应不过来。程序好解决。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1166330.html]]></link>
 <author><![CDATA[幸运娃161]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Nov 2011 17:59:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[首先计算每个脉冲代表的实际距离，（例如&nbsp;&nbsp;A(mm/P)），然后以规定的时间间隔（T(如0.05秒)）读取编码器的脉冲数PM。
速度 V＝A X PM / T]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1138321.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Oct 2011 00:43:33 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[去看看SPD指令。 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-121838#1138316.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Oct 2011 00:35:53 +0000]]></pubdate>
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