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 <title><![CDATA[光电开关计数不准]]></title>
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 <description><![CDATA[Latest 50 replies of 光电开关计数不准]]></description>
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 <description><![CDATA[齿轮可以用好点的接近开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1967511.html]]></link>
 <author><![CDATA[王德群]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2018 05:06:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[齿轮可以用好点的接近开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1966261.html]]></link>
 <author><![CDATA[hubo1979]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2018 06:01:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在光电开关接线处加个电容]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1965915.html]]></link>
 <author><![CDATA[jinxuewei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Apr 2018 06:18:37 +0000]]></pubdate>
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 <description><![CDATA[这个频率，一般光电应该是没问题吧，最好用U型对射的那种，你这样做本身精度就要求不高吧，程序上，用高速比较输出，在快到达目标位置的时候变频低速，到达位置停止。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1961370.html]]></link>
 <author><![CDATA[hardy_6817]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 Apr 2018 13:42:30 +0000]]></pubdate>
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 <description><![CDATA[频率大概7HZ 通过检测减速器轴上的齿盘计数进行定位。电机由plc通过变频器控制。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1961362.html]]></link>
 <author><![CDATA[pengwang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 Apr 2018 12:38:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;频率多少？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1961065.html]]></link>
 <author><![CDATA[zhtokokk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Apr 2018 10:00:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[描述不清楚]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1960933.html]]></link>
 <author><![CDATA[hezongfan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Apr 2018 01:35:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[检测物通过的时候看看有没有重叠的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1960918.html]]></link>
 <author><![CDATA[shixinhua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Apr 2018 00:09:36 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[计的是什么东东？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1960914.html]]></link>
 <author><![CDATA[yiyang1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Apr 2018 14:03:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没看懂 
高速计数？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1647383#1960910.html]]></link>
 <author><![CDATA[不小心遇见你]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 Apr 2018 13:42:34 +0000]]></pubdate>
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