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 <title><![CDATA[PLC I/O 中断]]></title>
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 <description><![CDATA[Latest 50 replies of PLC I/O 中断]]></description>
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 <description><![CDATA[正常的PLC執行
讀取IO狀態 -&gt; PLC 邏輯演算(Ladder) -&gt; 更新Output狀態&nbsp;&nbsp;：以上整個時間又稱為掃描時間(scan times)
萬一在Ladder中，想要更新IO狀態的話，就可以用IO中斷方式，馬上更新IO狀態]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1060569.html]]></link>
 <author><![CDATA[thomashung]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Jun 2011 12:12:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[1楼热心4楼高见 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1060493.html]]></link>
 <author><![CDATA[liuhuaxing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Jun 2011 11:00:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1060264.html]]></link>
 <author><![CDATA[jin5321]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Jun 2011 05:29:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 回头自己试试，一直没使用中断，这东西挺重要的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1060062.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Jun 2011 01:30:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[比较形象]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1060056.html]]></link>
 <author><![CDATA[lqbzlqbz]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Jun 2011 01:21:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼anddylihua于2011-06-01 21:02发表的&nbsp;&nbsp;:
打个比方，你晚上睡觉到半夜，尿急醒了，上完厕所回来，继续睡觉。。。可以这么理解吗？请高手指点
[/quote]
比较形象]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1058807.html]]></link>
 <author><![CDATA[我心飞翔]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jun 2011 13:08:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[打个比方，你晚上睡觉到半夜，尿急醒了，上完厕所回来，继续睡觉。。。可以这么理解吗？请高手指点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1058795.html]]></link>
 <author><![CDATA[anddylihua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jun 2011 13:02:53 +0000]]></pubdate>
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 <description><![CDATA[支持..。。授人以鱼不如授人以渔 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1058489.html]]></link>
 <author><![CDATA[青岛瑞麒]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jun 2011 07:34:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[动动手以后，面包和牛奶你就会都有了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1058368.html]]></link>
 <author><![CDATA[汇荣铝业]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jun 2011 05:31:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[百度文库]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-107474#1058364.html]]></link>
 <author><![CDATA[汇荣铝业]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jun 2011 05:28:20 +0000]]></pubdate>
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