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 <title><![CDATA[如何用数字量控制西门子变频器调速]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846.html]]></link>
 <description><![CDATA[Latest 50 replies of 如何用数字量控制西门子变频器调速]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[好像有个脉宽控制可以&nbsp;&nbsp;叫PWM吧&nbsp;&nbsp; 晶体管输出的PLC才可以&nbsp;&nbsp;也就是单位时间内输出多少个脉冲让变频器接收....]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2245772.html]]></link>
 <author><![CDATA[tangjiezyc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Dec 2021 00:56:48 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[输出脉冲控制更更精准]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244652.html]]></link>
 <author><![CDATA[onlinechina]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Dec 2021 06:44:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[多段速&nbsp;&nbsp; 然后外面挂个8档位开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244601.html]]></link>
 <author><![CDATA[幸福沙漏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Dec 2021 05:33:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有同样问题，学习中]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244598.html]]></link>
 <author><![CDATA[ljb6688]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Dec 2021 05:19:44 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以通过输出频率高低控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244511.html]]></link>
 <author><![CDATA[rubin_pan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Dec 2021 01:32:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有个MOP功能可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244358.html]]></link>
 <author><![CDATA[luoqing1117]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Dec 2021 14:28:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用UP/DOWN控制加减速度。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244105.html]]></link>
 <author><![CDATA[顾乡的云]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Dec 2021 11:19:05 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[把变频器面板挂到电箱外头]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2244054.html]]></link>
 <author><![CDATA[langui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Dec 2021 08:15:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多段速
还有别的高招？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1722846#2243890.html]]></link>
 <author><![CDATA[ytzidonghua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 09 Dec 2021 23:50:08 +0000]]></pubdate>
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