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 <title><![CDATA[液压缸的行程定位]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434.html]]></link>
 <description><![CDATA[Latest 50 replies of 液压缸的行程定位]]></description>
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 <description><![CDATA[[b][color=#FF0000]谢谢大家帮忙！我正在学习当中，PLC读取的脉冲数在反转时出现负数是什么原因，在程序中我用的比较指令，线上模式时已经动作了，但是脉冲还会往前走一些，（LD&gt;=当前值D200&nbsp;&nbsp;k100设定值）out m50（中间转换）&nbsp;&nbsp;&nbsp;&nbsp; （LD&gt;=&nbsp;&nbsp;当前值D200 K150设定值outM51&n ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660971.html]]></link>
 <author><![CDATA[葛洪斌]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Apr 2015 13:07:22 +0000]]></pubdate>
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 <description><![CDATA[要看油缸负载阻力,定量的可以考虑机械限位.定阻的就得用压力传感器.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660764.html]]></link>
 <author><![CDATA[fengrunsheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Apr 2015 01:20:35 +0000]]></pubdate>
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 <description><![CDATA[简单！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660751.html]]></link>
 <author><![CDATA[sdplwgx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Apr 2015 00:35:40 +0000]]></pubdate>
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 <description><![CDATA[有些控制，用机械的方法比电气控制又可靠又]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660748.html]]></link>
 <author><![CDATA[sdplwgx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Apr 2015 00:32:16 +0000]]></pubdate>
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 <description><![CDATA[油缸速度太快了，要定位就要提前减速，0.5mm的精度应该可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660700.html]]></link>
 <author><![CDATA[drw_08]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Apr 2015 14:41:41 +0000]]></pubdate>
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 <description><![CDATA[最简单的方法就是机械定位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660678.html]]></link>
 <author><![CDATA[yexiong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Apr 2015 13:48:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[伺服阀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660659.html]]></link>
 <author><![CDATA[444754848]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Apr 2015 12:58:28 +0000]]></pubdate>
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 <description><![CDATA[用机械限位就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1483434#1660636.html]]></link>
 <author><![CDATA[1935807118]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Apr 2015 10:44:28 +0000]]></pubdate>
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