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 <title><![CDATA[请教个问题 S7-200 硬件]]></title>
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 <description><![CDATA[“是电位器&nbsp;&nbsp;对应PLC 内部特殊继电器 SMB28 SMB29 数值范围0~255”学习了。
&nbsp;&nbsp;&quot;term&quot;位是干什么的？ 不会是远端控制吧？&nbsp;&nbsp;我真的不知道，也没手册查，麻烦告诉一下？ [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#760741.html]]></link>
 <author><![CDATA[奔跑的蜗牛]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 11 Apr 2010 05:19:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位楼主!学习啦。 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#760222.html]]></link>
 <author><![CDATA[shenxianguol]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 10 Apr 2010 09:22:30 +0000]]></pubdate>
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 <description><![CDATA[了解了 多谢各位 [s:21]


是电位器&nbsp;&nbsp;对应PLC 内部特殊继电器 SMS28 SMB29 数值范围0~255]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#760145.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 10 Apr 2010 07:24:47 +0000]]></pubdate>
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 <description><![CDATA[我也想知道]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#759470.html]]></link>
 <author><![CDATA[奔跑的蜗牛]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 09 Apr 2010 06:51:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制特定的存储器里面数值的变化&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#759146.html]]></link>
 <author><![CDATA[猛禽时代]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 08 Apr 2010 15:02:12 +0000]]></pubdate>
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 <description><![CDATA[系统手册上有详细介绍的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#757562.html]]></link>
 <author><![CDATA[lengli]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 06 Apr 2010 23:23:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以作模拟数量处理。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#756243.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 05 Apr 2010 03:35:42 +0000]]></pubdate>
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 <description><![CDATA[[s:28] 

那是干什么用的呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#756151.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 05 Apr 2010 01:21:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是电位器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-59387#755955.html]]></link>
 <author><![CDATA[flin124]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 04 Apr 2010 13:24:55 +0000]]></pubdate>
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