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 <title><![CDATA[如下图。请问这是什么？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1458201.html]]></link>
 <description><![CDATA[Latest 50 replies of 如下图。请问这是什么？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Mon, 20 Apr 2026 18:22:07 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[plc外接的主机点动信号。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1458201#1576899.html]]></link>
 <author><![CDATA[taotaoba]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jun 2014 06:34:41 +0000]]></pubdate>
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 <description><![CDATA[同意楼上说法，这根线是接到PLC的。可能是通过主机的一个触点。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1458201#1576802.html]]></link>
 <author><![CDATA[海风123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jun 2014 01:51:58 +0000]]></pubdate>
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 <description><![CDATA[因为信号线接到了PLC]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1458201#1576771.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Jun 2014 23:12:15 +0000]]></pubdate>
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