<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[新手寻求编程思路]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457.html]]></link>
 <description><![CDATA[Latest 50 replies of 新手寻求编程思路]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sun, 24 May 2026 02:50:36 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[觉得不难啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457#1922833.html]]></link>
 <author><![CDATA[电气加油]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Sep 2017 02:47:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457#1921985.html]]></link>
 <author><![CDATA[gdlghys]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 15 Sep 2017 13:06:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[例如x0到x3分别感应风门开启状态，y0低速，y1中速，y2高速]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457#1918514.html]]></link>
 <author><![CDATA[gzcjx555]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Sep 2017 12:40:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我用的是ABB&nbsp;&nbsp;ACS 510-55
我明白您的意思就是
外部端子RH、RM、RL 是变频器的三速控制端，频率设定好 控制电动机的转速
那决定 启动 高中低哪种的条件还是取决于PLC编程啊
比如
1&nbsp;&nbsp;&nbsp;&nbsp;2 风门开&nbsp;&nbsp;&nbsp;&nbsp;
2&nbsp;&nbsp; 3 风门开
3&nbsp;&nbsp; 4 风门开
1&nbsp;&nbsp; 4 风门 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457#1917747.html]]></link>
 <author><![CDATA[zj664512780]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 30 Aug 2017 03:41:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不需要编程呀，变频器多段速功能就可以了。 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1625457#1917743.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 30 Aug 2017 03:22:16 +0000]]></pubdate>
</item>
</channel></rss>