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 <title><![CDATA[PLCAD模组输出数值波动大]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377.html]]></link>
 <description><![CDATA[Latest 50 replies of PLCAD模组输出数值波动大]]></description>
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 <description><![CDATA[建议你把电流信号的信号线换成屏蔽线,把屏蔽层接地,我以前用电压信号的时候就是这样做的,不知道能不能对你有帮助]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377#1124742.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Sep 2011 09:51:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[单独接地，加信号隔离模块，周围要有变频器，吧变频器的载波频率尽量降低，降得太低电机会有噪音，适当降低]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377#1124471.html]]></link>
 <author><![CDATA[wuliang211]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Sep 2011 01:47:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 加电容，另外再增大测量次数取平均值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377#1124469.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 13 Sep 2011 01:40:16 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[单独接地还是共地]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377#1123885.html]]></link>
 <author><![CDATA[a2103]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 11 Sep 2011 12:56:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以测测接地看看电压，小弟我遇到西门子300一次是的电容在接地端（电解电容），另一次是在400上直接加的信号隔离模块，使用后效果很好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119377#1123855.html]]></link>
 <author><![CDATA[刘军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 11 Sep 2011 12:19:59 +0000]]></pubdate>
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