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 <title><![CDATA[求。。助。。。望各位大侠能否帮下我这刚 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 求。。助。。。望各位大侠能否帮下我这刚 ..]]></description>
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 <description><![CDATA[用DRVI指令，运行七次后用ZRN指令回一次原点就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122736#1144715.html]]></link>
 <author><![CDATA[zhou27861]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2011 09:07:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼说的对，再加1个Y点用来改变电机的转动方向。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122736#1144690.html]]></link>
 <author><![CDATA[liuhanqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2011 08:12:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我已编了个程序]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122736#1144580.html]]></link>
 <author><![CDATA[longz1983]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Oct 2011 05:50:13 +0000]]></pubdate>
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 <description><![CDATA[只能提供个思路，要先算出行走50mm 所需的脉冲个数，（这个就和你步进电机的细分和丝杆的螺距有关系了）然后用PLSY指令执行你刚才算出的脉冲数就OK了，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122736#1144035.html]]></link>
 <author><![CDATA[新手]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Oct 2011 10:55:01 +0000]]></pubdate>
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 <description><![CDATA[FX1S的还没用过 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122736#1143998.html]]></link>
 <author><![CDATA[417369797]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Oct 2011 09:51:57 +0000]]></pubdate>
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