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 <title><![CDATA[求助！！！步进电机在低速时工作正常，高 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助！！！步进电机在低速时工作正常，高 ..]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[应该是频率过高吧、、]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#941535.html]]></link>
 <author><![CDATA[韦正良]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Dec 2010 02:54:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我现在知道了，是机械设计选的电机转速太低了，满足不了要求，还得从新买。谢谢各位的支持！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#838658.html]]></link>
 <author><![CDATA[cghaou]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 30 Jul 2010 01:22:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频率太大了，要不换个转矩大的电机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#838338.html]]></link>
 <author><![CDATA[heyanzhi]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 29 Jul 2010 11:18:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[超频了，步进电机你要看它最高转速是多少。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#837983.html]]></link>
 <author><![CDATA[xjjfs]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 29 Jul 2010 02:54:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼cghaou于2010-07-28 13:12发表的&nbsp;&nbsp;:
用PLSV指令
[/quote]



可以用&nbsp;&nbsp;ramp]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#837488.html]]></link>
 <author><![CDATA[mj2009]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Jul 2010 07:38:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用PLSV指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#837408.html]]></link>
 <author><![CDATA[cghaou]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 28 Jul 2010 05:12:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用什么指令发脉冲的？如果是用PLSR指令，把加减数时间减少试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#837084.html]]></link>
 <author><![CDATA[poorwer]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Jul 2010 13:43:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用PLC 编程软件能能消除吗，应该怎么到达最佳效果？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#836885.html]]></link>
 <author><![CDATA[cghaou]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Jul 2010 08:49:41 +0000]]></pubdate>
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 <description><![CDATA[步进电机有一个技术参数：空载启动频率，即步进电机在空载情况下能够正常启动的脉冲频率，如果脉冲频率高于该值，电机不能正常启动，可能发生丢步或堵转。在有负载的情况下，启动频率应更低。如果要使电机达到高速转动，脉冲频率应该有加速过程，即启动频率较低，然后按一定加速度升到所希望的高频（电机转速从低速升到高 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-71548#836545.html]]></link>
 <author><![CDATA[冰糖]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 26 Jul 2010 15:15:49 +0000]]></pubdate>
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