<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[冰水水泵控制求方案]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988.html]]></link>
 <description><![CDATA[Latest 50 replies of 冰水水泵控制求方案]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 04 Apr 2026 04:29:18 +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[可以直接控制出水水温吗？恒温变流量控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1435742.html]]></link>
 <author><![CDATA[xuliuqing200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 08:07:07 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第16楼kyy80于2013-04-25 13:34发表的&nbsp;&nbsp;:
单片机太麻烦了....就用一片LM324四运放就行了.....一块钱...
[/quote]
用加法器的输出到你的变频器就行了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1435694.html]]></link>
 <author><![CDATA[wisexdh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 05:56:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[单片机太麻烦了....就用一片LM324四运放就行了.....一块钱...]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1435688.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 05:34:22 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼hxl202319于2012-08-22 16:05发表的&nbsp;&nbsp;:

2AD+1DA的价格比我选的方案还高
[/quote]
国产的只要300元左右]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1330219.html]]></link>
 <author><![CDATA[jxh668]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 24 Aug 2012 03:01:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[应该单片机也能接受模拟量信号吧，不清楚了，要去查资料了，能的话，单片机投资最少了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1330172.html]]></link>
 <author><![CDATA[陈大围]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 24 Aug 2012 02:30:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&quot;要订做低温的温控表有4-20mA输出的调一下，加个变频器就行啦。估计要几百块呢&quot;
低温表是控制压缩机的，无PID功能，有延时起动，不行的，而普通冷水机在5-10度，肯定没问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329477.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Aug 2012 00:43:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[直接控制回水的温度就行吧用回水的温度还调节转速行吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329472.html]]></link>
 <author><![CDATA[木皮]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Aug 2012 00:29:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第7楼weilinyi于2012-08-22 19:55发表的&nbsp;&nbsp;:
买个好点的温度表，具有4-20mA输出的调一下，加个变频器就行啦，
[/quote]
要订做低温的温控表有4-20mA输出的调一下，加个变频器就行啦。估计要几百块呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329362.html]]></link>
 <author><![CDATA[大地]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 13:42:53 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[在斗我们玩呢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329358.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 13:36:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[元老级的还要问人？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329332.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 12:57:15 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[搞得哪么麻烦，简单应用达到效果就行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329300.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 11:59:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[买个好点的温度表，具有4-20mA输出的调一下，加个变频器就行啦，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329298.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 11:55:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[现在看看估计选用台达DVP20EX200R这型号PLC最便宜了，自带4A/D，2D/A]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329210.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 08:32:27 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼jxh668于2012-08-22 15:32发表的&nbsp;&nbsp;:
2AD+1DA
[/quote]
2AD+1DA的价格比我选的方案还高]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329175.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 08:05:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼jxh668于2012-08-22 15:32发表的&nbsp;&nbsp;:
2AD+1DA
[/quote]
3楼说的对呀。学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329156.html]]></link>
 <author><![CDATA[fom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 07:48:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[2AD+1DA]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329139.html]]></link>
 <author><![CDATA[jxh668]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 07:32:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你从来不想公司为你提供了那么多机会 [s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329131.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 07:26:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你大姨妈哦 [s:22] 有一种器件叫做单片机 [s:21] 鉴于你这个水准，你把你那句大姨妈拿掉会死吗 [s:18]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1391988#1329128.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Aug 2012 07:24:54 +0000]]></pubdate>
</item>
</channel></rss>