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 <title><![CDATA[西门子V20变频器求助]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1609637.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子V20变频器求助]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[有多段速度调试。或者换个思路，设置好三段速度选择按钮，参数里直接写入速度。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1609637#1943215.html]]></link>
 <author><![CDATA[湛蓝小尔]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Dec 2017 07:38:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通过变频器内参数调整,可以对DI1--DI4端口进行设置,分别为正反转及固定频率，接线图如下图所示]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1609637#1910831.html]]></link>
 <author><![CDATA[永恒14]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 04 Aug 2017 10:01:01 +0000]]></pubdate>
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