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 <title><![CDATA[求助]]></title>
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 <description><![CDATA[三菱Q
SM400
---||-------------------[DATERD D0]&nbsp;&nbsp;讀萬年曆

-[= D3 K7]------|---(M0)&nbsp;&nbsp;時間比對
-[= D3 K12]----|
-[= D3 K17]----|

&nbsp;&nbsp; M0
---|^|------------|----(Y0) 水閥
&nbsp;&nbsp; X0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;| ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1428552#1446514.html]]></link>
 <author><![CDATA[john42tw]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 24 May 2013 00:53:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用PLC会不会有点浪费？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1428552#1446500.html]]></link>
 <author><![CDATA[jun888006]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 24 May 2013 00:22:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果PLC有内部时钟的话，把时钟数据读出来，和你说的那几个时间点比较，当相等时产生一个脉冲。把这个脉冲信号保持并延时，延时到之后保持自动断开，用这个保持来驱动Y控制外面的水阀充水。几个时间点的触发信号和外围传感器的检测信号在程序中并联。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1428552#1446471.html]]></link>
 <author><![CDATA[matengfei]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 23 May 2013 20:27:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[简单啊，时间来控制就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1428552#1446375.html]]></link>
 <author><![CDATA[200518]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 23 May 2013 11:24:17 +0000]]></pubdate>
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