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 <title><![CDATA[入门的问题，请指教]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96905.html]]></link>
 <description><![CDATA[Latest 50 replies of 入门的问题，请指教]]></description>
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 <description><![CDATA[不需要。+24V是模块的电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96905#979501.html]]></link>
 <author><![CDATA[hjjffz]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 26 Feb 2011 13:50:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这要看4~20mA信号发生源是如何接线的，如果是24V供电的二线制接法，则需要接入24V电源，如果是四线制接法，就不需要接入24V电源。接入模抉上的24V电源是模抉的工作电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96905#978783.html]]></link>
 <author><![CDATA[ysheng9099]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 25 Feb 2011 13:18:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[需要在信号中串入24V电源的。本站有对应的手册下载的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96905#978772.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 25 Feb 2011 13:12:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那是模块的工作电源。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96905#978770.html]]></link>
 <author><![CDATA[gumeng]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 25 Feb 2011 13:09:42 +0000]]></pubdate>
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