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 <title><![CDATA[已知可能变化的线速度，怎么计算长度？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814.html]]></link>
 <description><![CDATA[Latest 50 replies of 已知可能变化的线速度，怎么计算长度？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 17 Apr 2026 15:13:57 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[难道你PLC本身没有高速计数接口？三菱X0-X2-6是可以做高速计数用的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1071434.html]]></link>
 <author><![CDATA[开人心]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 16 Jun 2011 04:31:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用脉冲的话，就要使用高速计数模块，又增加成本了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1071080.html]]></link>
 <author><![CDATA[扬宇]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 14:24:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知道，挺难的等待高人]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070923.html]]></link>
 <author><![CDATA[870605]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 11:35:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不想增加成本就不知你变频器有没有控制信号脉冲输出？用变频器与输出频率得应关系用PLC计数，在用PLC内部运算出实时累计长度，当然不可能很精确。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070903.html]]></link>
 <author><![CDATA[开人心]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 11:18:48 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[外加计米信号给plc。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070839.html]]></link>
 <author><![CDATA[nimuling]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 10:12:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是不想增加成本才想这个办法的，不过还是谢谢你们的回答]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070823.html]]></link>
 <author><![CDATA[扬宇]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 09:51:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[最简单直观的就是二楼说的，加一个计长码轮，可直接读出数据，也可与PLC数据交换。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070527.html]]></link>
 <author><![CDATA[忆江南]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 03:37:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加编码器，把编码器的信号传到plc中计算就可以了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070421.html]]></link>
 <author><![CDATA[hulain]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 02:02:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[等待解答]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070395.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 01:47:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加一个计长码轮计长不就行啦！这样就不管速度有多快啦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-110814#1070332.html]]></link>
 <author><![CDATA[zsm961450]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2011 00:33:11 +0000]]></pubdate>
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