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 <title><![CDATA[求请教步进与伺服编程]]></title>
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 <description><![CDATA[Latest 50 replies of 求请教步进与伺服编程]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[[s:39] 不懂呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1146926.html]]></link>
 <author><![CDATA[你是最好的人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 Oct 2011 11:15:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:46]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1143942.html]]></link>
 <author><![CDATA[幸福喜青]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Oct 2011 08:03:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1140885.html]]></link>
 <author><![CDATA[huqiunan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Oct 2011 11:07:23 +0000]]></pubdate>
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 <description><![CDATA[楼上说的很对。伺服的应用比步进难点，用伺服时需要设置很多参数。步进的不怎么需要。
在编程上伺服可以做点文章。步进的输出脉冲就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1140822.html]]></link>
 <author><![CDATA[zlc1210903]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Oct 2011 08:56:56 +0000]]></pubdate>
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 <description><![CDATA[编程上的差别不是太大，

从控制的角度来说，区别比较大，伺服是闭环，步进式开环，伺服系统更稳定可靠，精度更高。

硬件上来说，步进需要步进驱动器，伺服需要伺服驱动器；所以，编程上就比较接近，都是发指令给驱动器就可以了，差别就不是很大了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1140814.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Oct 2011 08:47:37 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-122236#1140668.html]]></link>
 <author><![CDATA[huangyuehua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Oct 2011 05:41:55 +0000]]></pubdate>
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