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 <title><![CDATA[请教下S7200 235模拟量控制程序]]></title>
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 <description><![CDATA[Latest 50 replies of 请教下S7200 235模拟量控制程序]]></description>
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 <description><![CDATA[和三楼一样，记住模拟量接线尽量用屏蔽线。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114135#1168444.html]]></link>
 <author><![CDATA[jinshanhao00]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 21 Nov 2011 04:34:34 +0000]]></pubdate>
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 <description><![CDATA[选择EM231的0~20mA挡作为模拟量输入的测量量程，模拟量输入模块将0~20mA转换为0~32000的数字量。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 当系统压力为8MPa，则压力变送器的输出信号为（20-4）除以10乘8在加4=16.8mA模拟量16.8mA对应的数&nbsp;&nbsp;&nbsp;&n ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114135#1099755.html]]></link>
 <author><![CDATA[aiohu]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 29 Jul 2011 14:30:52 +0000]]></pubdate>
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 <description><![CDATA[用库函数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-114135#1093009.html]]></link>
 <author><![CDATA[dahairhj]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 18 Jul 2011 14:25:20 +0000]]></pubdate>
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 <link><![CDATA[http://www.ymmfa.com/read-gktid-114135#1092767.html]]></link>
 <author><![CDATA[cftianzq321]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 18 Jul 2011 08:01:01 +0000]]></pubdate>
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