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 <description><![CDATA[Latest 50 replies of 变频器 电位器给定和PLC模拟给定如何手自 ..]]></description>
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 <description><![CDATA[电位器接入PLC的ad上，da给变频器频率]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1672629#2087621.html]]></link>
 <author><![CDATA[slayer0204]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 15 Nov 2019 04:47:46 +0000]]></pubdate>
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 <description><![CDATA[通过设定变频器的参数，切换频率设定信号源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1672629#2086157.html]]></link>
 <author><![CDATA[hzalta]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 07 Nov 2019 14:34:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器端设定模拟量输入，PLC的一路模拟量输出模块直接接变频器，电位器接PLC的一路模拟量输入，通过程序切换]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1672629#2079887.html]]></link>
 <author><![CDATA[axlray]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 08 Oct 2019 01:07:47 +0000]]></pubdate>
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 <description><![CDATA[楼主解决没有，怎么解决的，学习一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1672629#2077500.html]]></link>
 <author><![CDATA[dzh832]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 21 Sep 2019 07:56:56 +0000]]></pubdate>
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 <description><![CDATA[通过继电器就习惯了，如果是西门子变频器，还可以通过参数切换，在MM440变频器用户手册有讲到的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1672629#2074346.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 05 Sep 2019 12:05:08 +0000]]></pubdate>
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