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 <title><![CDATA[速度编程问题]]></title>
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 <description><![CDATA[Latest 50 replies of 速度编程问题]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以用SPD转速指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#274537.html]]></link>
 <author><![CDATA[aaaa0595]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 30 Jul 2008 00:12:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没用过,学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#272353.html]]></link>
 <author><![CDATA[xiading]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 14:51:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[9楼的这就简单了，用PLC自带的记数功能就可以了呵呵 [s:26]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#272228.html]]></link>
 <author><![CDATA[建筑人生]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 12:52:25 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[bain a bian]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#272022.html]]></link>
 <author><![CDATA[jianfeng0451]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 08:34:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[假如用接近开关，怎么来实现速度]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#271714.html]]></link>
 <author><![CDATA[lgy278557706]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 25 Jul 2008 23:58:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用旋转编码器，参照楼上的编程方法，具体控制编程方法可参考编程手册！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#267028.html]]></link>
 <author><![CDATA[fjqz00]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 19 Jul 2008 07:27:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[三菱有专用的脉冲密度检测指令SPD
ld x0
spd x0 k100 d0
意思是D0对X0输入的脉冲记数，100MS后计数结果送到D0
D1中的当前值复位
计数结束后D2用来测量剩余时间
速度＝60*D0*1000/(N*t)
N是每转需要多少脉冲&nbsp;&nbsp;T为S2指定的计时时间]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266820.html]]></link>
 <author><![CDATA[uthman]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 19 Jul 2008 01:12:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[对啊 怎么办呢&nbsp;&nbsp;[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266629.html]]></link>
 <author><![CDATA[gezhicheng]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 18 Jul 2008 13:41:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果用编码器&nbsp;&nbsp; 该怎么办呢&nbsp;&nbsp;呵呵]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266364.html]]></link>
 <author><![CDATA[233116216]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 18 Jul 2008 07:34:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意2楼的说法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266318.html]]></link>
 <author><![CDATA[dx3620]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 18 Jul 2008 05:48:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你用的是什么传感器啊&nbsp;&nbsp; 传感器不一样做法也就不一样了啊&nbsp;&nbsp; 我们一般是用编码器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266271.html]]></link>
 <author><![CDATA[nbwrk]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 18 Jul 2008 04:30:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持
中等等]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17462#266134.html]]></link>
 <author><![CDATA[haosaint]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 18 Jul 2008 02:04:18 +0000]]></pubdate>
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