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 <title><![CDATA[S7-300编程困惑]]></title>
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 <description><![CDATA[Latest 50 replies of S7-300编程困惑]]></description>
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 <description><![CDATA[OB100组织块，软启动的时候执行一次，然后再执行其他组织块。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55342#719506.html]]></link>
 <author><![CDATA[deanhao]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 31 Jan 2010 03:05:35 +0000]]></pubdate>
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 <description><![CDATA[初始化组织块，就是CPU上电执行一个扫描周期的组织块！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55342#718981.html]]></link>
 <author><![CDATA[zy028]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 30 Jan 2010 07:31:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[OB100是什么程序块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55342#718852.html]]></link>
 <author><![CDATA[gk菜鸟]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 30 Jan 2010 01:24:11 +0000]]></pubdate>
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 <description><![CDATA[在OB100做一下就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55342#718842.html]]></link>
 <author><![CDATA[zy028]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 30 Jan 2010 01:10:13 +0000]]></pubdate>
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