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 <title><![CDATA[讨论一下用普通接近开关测速问题]]></title>
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 <description><![CDATA[刚才说错了，光电开关上写响应频率是400HZ]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623389.html]]></link>
 <author><![CDATA[lddl123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:44:47 +0000]]></pubdate>
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 <description><![CDATA[1：1传俤时，电机为1440转/分钟时，编码器就输出1440X400个脉冲/分钟]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623384.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:31:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是编码器输出信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623381.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:28:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[编码器上的是转一圈400个脉冲]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623380.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:27:34 +0000]]></pubdate>
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 <description><![CDATA[编码器上面是标注400HZ，不能能不能用？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623378.html]]></link>
 <author><![CDATA[lddl123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:25:27 +0000]]></pubdate>
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 <description><![CDATA[要计算出你的码盘在最高转速时每秒返回的脉冲数&nbsp;&nbsp;不能大于开关的响应频率&nbsp;&nbsp;就是要小于400]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623375.html]]></link>
 <author><![CDATA[janke120]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 06:21:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用编码器也可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623340.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 05:29:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[换成有专用的测速开关吧！ 响应频率可过千以上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623334.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 05:21:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不要用普通接近开关测速 [s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28] 响应频率是400HZ发 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623333.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 05:16:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看电机旋转一圈接近开关所采集的脉冲数n以及电机在50HZ时的转速v（r/min）。最后v*n/60的值只要低于接近开关的响应频率就OK了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623323.html]]></link>
 <author><![CDATA[gufan8099663]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 04:58:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[400转以下才能测的准。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1473081#1623300.html]]></link>
 <author><![CDATA[kaiyuan12345]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Nov 2014 03:35:04 +0000]]></pubdate>
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