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 <title><![CDATA[差动脉冲是否能控制步进电机？]]></title>
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 <description><![CDATA[自己先上网查清楚什么是差分,什么是集电极开路!
步进驱动器的脉冲输入是pul+
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346698.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Sep 2012 01:45:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[当然能控制步进电机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346235.html]]></link>
 <author><![CDATA[linzhenfu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 06:12:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼tkggtdkjpl于2012-09-18 11:32发表的&nbsp;&nbsp;:
差公脉冲也是我们说的双脉冲
正转Y1输脉冲
反转Y1输脉冲
[/quote]集电极开路也能双脉冲！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346221.html]]></link>
 <author><![CDATA[uu.liu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 05:55:37 +0000]]></pubdate>
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 <description><![CDATA[当然能控制步进电机 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346162.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 03:32:45 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[差公脉冲也是我们说的双脉冲
正转Y1输脉冲
反转Y1输脉冲]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346161.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 03:32:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[当然可以控制步进电机
深圳雷赛的步进驱动器就可以用差公脉冲控制!
深圳白山的也可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346159.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 03:30:59 +0000]]></pubdate>
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 <description><![CDATA[先顶起，千万别沉，不整明白难入睡啊！ [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1401189#1346065.html]]></link>
 <author><![CDATA[uu.liu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Sep 2012 01:00:57 +0000]]></pubdate>
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