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 <title><![CDATA[用定时器和计数器实现延时电路的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116509.html]]></link>
 <description><![CDATA[Latest 50 replies of 用定时器和计数器实现延时电路的问题]]></description>
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 <description><![CDATA[谢谢，定时器是异步执行的启动后，何时到达定时时间和扫描周期无关，还得认真学些下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116509#1106954.html]]></link>
 <author><![CDATA[paisano_jn]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 11 Aug 2011 08:15:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[---( SS )保持接通延时定时器线圈。将定时器换成---( SD )接通延时定时器线圈。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116509#1106795.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 11 Aug 2011 02:34:23 +0000]]></pubdate>
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 <description><![CDATA[典型的计时器问题，参考：[url]http://sjm213.plcjs.cn/archives/2010/2010102602419.html[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116509#1106794.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 11 Aug 2011 02:34:10 +0000]]></pubdate>
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