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 <title><![CDATA[s7200的问题]]></title>
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 <description><![CDATA[Latest 50 replies of s7200的问题]]></description>
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 <description><![CDATA[如果用IEC&nbsp;&nbsp; 那怎么设置为这个方式写程序]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114726#1096233.html]]></link>
 <author><![CDATA[474419784]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Jul 2011 23:09:19 +0000]]></pubdate>
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 <description><![CDATA[1、要么IEC，要么Simatic
2、除中断外，仅在程序扫描结束或者下一个扫描周期前进行输入输出的更新。

 [s:28]]]></description>
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 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Jul 2011 13:49:02 +0000]]></pubdate>
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