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 <title><![CDATA[PLC的某个输入点相临两个脉冲的时间间隔怎 ..]]></title>
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 <description><![CDATA[Latest 50 replies of PLC的某个输入点相临两个脉冲的时间间隔怎 ..]]></description>
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 <description><![CDATA[用外部中断，边沿触发。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-84384#895430.html]]></link>
 <author><![CDATA[sandy_love]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Nov 2010 09:51:43 +0000]]></pubdate>
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 <description><![CDATA[谢谢楼上，正在试验]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-84384#895316.html]]></link>
 <author><![CDATA[linyc168]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Nov 2010 07:31:48 +0000]]></pubdate>
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 <description><![CDATA[台达高速定时器100us&nbsp;&nbsp; 配合高速比较置位，复位。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-84384#895123.html]]></link>
 <author><![CDATA[hardy_6817]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Nov 2010 02:46:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[试试用外部中断指令
当通过A点时，触发一个1ms时基的计时器开始计时，通过B点时，把计时器当前值取出来，并复位此计时器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-84384#894904.html]]></link>
 <author><![CDATA[fjqz00]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 01 Nov 2010 14:31:09 +0000]]></pubdate>
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