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 <title><![CDATA[帮初入门的小弟分析个PLC的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970.html]]></link>
 <description><![CDATA[Latest 50 replies of 帮初入门的小弟分析个PLC的问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Tue, 07 Apr 2026 16:25:23 +0000]]></lastBuildDate>
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 <description><![CDATA[建议楼主多看书]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#441116.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Feb 2009 17:33:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[步进指令可以看看程老师的视频教学]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#439083.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Feb 2009 13:42:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主要理解好I/O，及PLC内部的寄存器的区别啊
多看看这种入门建立概念的书吧，仔细体会和理解]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#439081.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Feb 2009 13:42:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[建议楼主多看书，再看这个就很简单了，楼主努力呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#345604.html]]></link>
 <author><![CDATA[jxt520102]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Nov 2008 09:36:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那本书来看就简单了&nbsp;&nbsp;！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#344815.html]]></link>
 <author><![CDATA[a271156864]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 31 Oct 2008 12:03:22 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主加油,努力]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#344813.html]]></link>
 <author><![CDATA[zwz579]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 31 Oct 2008 11:57:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[建议楼主先看看SFC的具体流程。。。。
&nbsp;&nbsp; 再看这就很简单了。 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#344660.html]]></link>
 <author><![CDATA[100759]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 31 Oct 2008 09:32:00 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#344189.html]]></link>
 <author><![CDATA[徐涛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 30 Oct 2008 22:31:04 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[Y0是运行加热装置的，X1是检测容器内有没有水的，X2是检测容器内有没有咖啡的，（加水加咖啡是人工进行的）如果有水有咖啡，X1，X2才有信号，Y0就有输出。所以只需Y0输出就可以了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-23970#344144.html]]></link>
 <author><![CDATA[jin12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 30 Oct 2008 16:27:58 +0000]]></pubdate>
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