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 <title><![CDATA[怎么让plc一直发脉冲控制步进电机不停的转 ..]]></title>
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 <title><![CDATA[Re:怎么让plc一直发脉冲控制步进电机正反转]]></title>
 <description><![CDATA[[s:39]请各位大师！写一个步进电机正反转的程序&nbsp;&nbsp;步进驱动是两相8线 （四组）多谢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1158943.html]]></link>
 <author><![CDATA[沉默是金]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 13:31:12 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[6楼说的可靠么？我要试试。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1136039.html]]></link>
 <author><![CDATA[abcd123456]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Wed, 05 Oct 2011 08:33:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;6楼说的可靠么？试试。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1136037.html]]></link>
 <author><![CDATA[abcd123456]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Wed, 05 Oct 2011 08:32:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1134481.html]]></link>
 <author><![CDATA[yimeng5132]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sat, 01 Oct 2011 16:08:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 呵呵，楼主，须知，电机反转需要先停止或者减速。

而要PLC不间断发脉冲容易，只要脉冲数设置为0即可。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1134064.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Fri, 30 Sep 2011 12:58:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不能这样做 要停下来换向，同时清零脉冲，不然要出问题的，小心小心！！！！！！！！！！！！！！！！！！！！！！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1125096.html]]></link>
 <author><![CDATA[fsxhb2008]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 02:03:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用PLS指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1124931.html]]></link>
 <author><![CDATA[yuantao0615]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Tue, 13 Sep 2011 14:24:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[先发脉冲停止指令 同时清零脉冲]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1123767.html]]></link>
 <author><![CDATA[夏利彦]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sun, 11 Sep 2011 10:04:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不能这样做 要停下来换向]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1122973.html]]></link>
 <author><![CDATA[baqqqqje]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Fri, 09 Sep 2011 14:43:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[什么结果了？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1121958.html]]></link>
 <author><![CDATA[renjiawonder]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Thu, 08 Sep 2011 01:24:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLSR&nbsp;&nbsp;&nbsp;&nbsp;D0&nbsp;&nbsp;&nbsp;&nbsp;K0&nbsp;&nbsp;&nbsp;&nbsp;Y0&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1119253.html]]></link>
 <author><![CDATA[linzhenfu]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Fri, 02 Sep 2011 06:34:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[脉冲数值设0]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1119249.html]]></link>
 <author><![CDATA[wqbcywg]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Fri, 02 Sep 2011 06:18:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没试用过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1118880.html]]></link>
 <author><![CDATA[chengwei1144]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Thu, 01 Sep 2011 13:48:50 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[简单，PLSR&nbsp;&nbsp;&nbsp;&nbsp;D0&nbsp;&nbsp;&nbsp;&nbsp;K0&nbsp;&nbsp;&nbsp;&nbsp;Y0&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1118536.html]]></link>
 <author><![CDATA[saisam2006]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Thu, 01 Sep 2011 02:24:51 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[也是哈，这个不好弄]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1118514.html]]></link>
 <author><![CDATA[sxx123]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Thu, 01 Sep 2011 02:01:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[但是在运行中变更方向是不能。必须停止指令后再能变更方向！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1117991.html]]></link>
 <author><![CDATA[zsh340]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Wed, 31 Aug 2011 03:42:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用plsf就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1117962.html]]></link>
 <author><![CDATA[ljfsss]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Wed, 31 Aug 2011 02:59:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[三菱PLC的第57条指令PLSY里面有讲解，其中有一句话是这样说的“S2将该值指定为0时，则对产生的脉冲不受限制”
指令格式：PLSY&nbsp;&nbsp; S1&nbsp;&nbsp;&nbsp;&nbsp; S2&nbsp;&nbsp;&nbsp;&nbsp;D
S1:运行频率
S2:运行的脉冲量
D:脉冲输出

通过以上不晓得你看懂了没有？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1117467.html]]></link>
 <author><![CDATA[zsh340]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Tue, 30 Aug 2011 07:42:03 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用速度模式.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1115486.html]]></link>
 <author><![CDATA[junjie]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Fri, 26 Aug 2011 08:09:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[停止时最好是让脉冲指令失效。再驱动脉冲指定停止标志位。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1104372.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sat, 06 Aug 2011 07:44:43 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没有试过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1104319.html]]></link>
 <author><![CDATA[大鹏展翅168]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sat, 06 Aug 2011 06:20:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没人试用过吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1096658.html]]></link>
 <author><![CDATA[ljfsss]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sun, 24 Jul 2011 18:30:48 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[方向信号要在脉冲信号之前加入至少几毫秒，你电机不停换向，好象只能用正反向脉冲，脉冲加方向估计不行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114743#1096460.html]]></link>
 <author><![CDATA[子丑寅卯9]]></author>
 <category><![CDATA[程序样例]]></category>
 <pubdate><![CDATA[Sun, 24 Jul 2011 08:29:12 +0000]]></pubdate>
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