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 <title><![CDATA[编码器问题]]></title>
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 <description><![CDATA[Latest 50 replies of 编码器问题]]></description>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意一楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#613492.html]]></link>
 <author><![CDATA[高锋]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 31 Aug 2009 07:05:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[6楼说的透彻!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#612913.html]]></link>
 <author><![CDATA[hgx12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Aug 2009 10:17:23 +0000]]></pubdate>
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 <description><![CDATA[谢谢了 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#612478.html]]></link>
 <author><![CDATA[滴血的狼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 Aug 2009 16:53:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[哦，原来如此。学习。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611344.html]]></link>
 <author><![CDATA[sunpeter]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 07:41:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[双向就可以：
 [attachment=27945]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611324.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 07:17:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[编码器有种输出方式叫做：推挽式输出。就是输出a,b,两路脉冲信号，这两路信号相位相差90度，这样计数器再检测到a比b的信号先到就是正转， b比a先到就是反转]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611272.html]]></link>
 <author><![CDATA[liugang_0]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 06:01:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[编码器有A、B相吧！就是用A、B去判断方向的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611253.html]]></link>
 <author><![CDATA[danielsue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 05:38:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[5根2根电源，3根A B C ，外复屏蔽,比如欧姆龙E6B2-CWZ/6C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;24VDC]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611197.html]]></link>
 <author><![CDATA[zhangweiwei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 04:54:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有几根线......]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611177.html]]></link>
 <author><![CDATA[lq139588]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 04:40:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[编码器要三相输出的，A B C，这三相一次差90度电角度，使用PLC或计数器，的AB向功能输出就OK [s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44160#611174.html]]></link>
 <author><![CDATA[zhangweiwei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2009 04:38:57 +0000]]></pubdate>
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