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 <title><![CDATA[请大家帮忙分析一下谢谢]]></title>
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 <description><![CDATA[Latest 50 replies of 请大家帮忙分析一下谢谢]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC 上的输入点指示灯亮了没？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1031090.html]]></link>
 <author><![CDATA[congzhefei12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 15:42:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接近开关的灯亮了应该是输出了检查输出信号电压也有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030974.html]]></link>
 <author><![CDATA[情缘惜水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:37:16 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC有时好像不扫描，输入点亮了也没有输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030973.html]]></link>
 <author><![CDATA[情缘惜水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:35:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[？？？？？？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030969.html]]></link>
 <author><![CDATA[力创电气]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:33:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主,你怎么知道接近开关信号输出了,你怎么判断的? [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030967.html]]></link>
 <author><![CDATA[clg01866]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:32:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输入点有时亮有时不亮]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030960.html]]></link>
 <author><![CDATA[情缘惜水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:30:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[首先确认PLC接近开关输入点的指示灯 是否亮，

&nbsp;&nbsp;也可能 是接近开关 故障


 要是换过接近开关的话 型号&nbsp;&nbsp;是否匹配

楼住问题 能说清点&nbsp;&nbsp;最好&nbsp;&nbsp; 大家也能帮你]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030955.html]]></link>
 <author><![CDATA[andyou82]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:26:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PLC 上的输入点指示灯亮了没？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104199#1030953.html]]></link>
 <author><![CDATA[zby2597]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2011 13:25:36 +0000]]></pubdate>
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