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 <title><![CDATA[s7-200模拟量输入总是有数字]]></title>
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 <description><![CDATA[Latest 50 replies of s7-200模拟量输入总是有数字]]></description>
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 <description><![CDATA[要把不用的输入点短接。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31167#877043.html]]></link>
 <author><![CDATA[wlw]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 03 Oct 2010 13:13:56 +0000]]></pubdate>
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 <description><![CDATA[andriy7 :谢谢你的回话，我会去试试看的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31167#442907.html]]></link>
 <author><![CDATA[chenxd]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 26 Feb 2009 06:48:14 +0000]]></pubdate>
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 <description><![CDATA[可能是电源干扰，我之前遇到过一次，在电源侧加个220—220的交流变压器就行了。
先看看现场是否有干扰源（电力干扰）]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-31167#441319.html]]></link>
 <author><![CDATA[andriy7]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 24 Feb 2009 04:42:21 +0000]]></pubdate>
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