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 <title><![CDATA[编码器的脉冲为何用PLC检测不到]]></title>
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 <description><![CDATA[Latest 50 replies of 编码器的脉冲为何用PLC检测不到]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[描述不够细致,首先确定在转动编码器的时候X3,4,5与COM的电压有明显变化,或者看X3,4,5的指示灯也可以,但要很慢转才明显.如果有变化侧检查程序,是不是有何条件导致C253计数被复位,或者未启动]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1452599#1557648.html]]></link>
 <author><![CDATA[xiaoqizi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Apr 2014 15:12:40 +0000]]></pubdate>
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 <description><![CDATA[.切忌小心使用X5 ，因为X5是复位C253的信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1452599#1557645.html]]></link>
 <author><![CDATA[李磊88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Apr 2014 15:06:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[M8000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C253&nbsp;&nbsp;K0 为什么是K0呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1452599#1557644.html]]></link>
 <author><![CDATA[李磊88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Apr 2014 15:02:08 +0000]]></pubdate>
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