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 <title><![CDATA[S7-200模拟量输入频繁归零]]></title>
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 <description><![CDATA[Latest 50 replies of S7-200模拟量输入频繁归零]]></description>
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 <description><![CDATA[西门子的S7-200&nbsp;&nbsp;S7-300的温度模块，小信号毫伏模块建议不要用。谁用谁知道，你作这个，加个变送器，用EM231就解决了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1531444#1708756.html]]></link>
 <author><![CDATA[zjy000]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 21 Oct 2015 12:54:05 +0000]]></pubdate>
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 <description><![CDATA[换个通道试试，看是不是硬件或者接线的问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1531444#1708676.html]]></link>
 <author><![CDATA[卡门漩涡]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 21 Oct 2015 08:10:05 +0000]]></pubdate>
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