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 <title><![CDATA[液位控制问题,在线等待]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146.html]]></link>
 <description><![CDATA[Latest 50 replies of 液位控制问题,在线等待]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[串联+串联的串联……
简单点就用3楼的程序，复杂点就用9楼的程序，都能满足控制要求。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564222.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 13:27:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[本人也是刚学。见笑了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564205.html]]></link>
 <author><![CDATA[libin520]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 13:03:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[kankan!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564202.html]]></link>
 <author><![CDATA[天津电气成套]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 13:01:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知道适合你不？ [attachment=25083]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564193.html]]></link>
 <author><![CDATA[libin520]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 12:57:05 +0000]]></pubdate>
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 <description><![CDATA[搞得好点的地方就是用RS485搞台变频器来搞模拟量控制了。不过。成本很高呀。“有二个水箱,假设A和B,水从A泵到B,要求水泵在A低位和B高位时停止,水泵在A中液位和B中液位时启动运行,用三菱PLC,谁能帮我写个小程序,”感觉语言有点不通。“水从A泵到B。”是否可以理解为：泵从A箱抽水到B箱呢。本人认为还是得每个箱搞两个液位感 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564178.html]]></link>
 <author><![CDATA[libin520]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 12:43:15 +0000]]></pubdate>
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 <description><![CDATA[比较简单吧你看看资料就可以写这个程序了，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#564177.html]]></link>
 <author><![CDATA[y870224]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 12:43:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼zhidaoshenmo于2009-07-01 12:32发表的&nbsp;&nbsp;:
用液位感应器就好了，但是价格有点贵。上次我在厦门台交会的时候有看到现场演示
[/quote]
拜托，楼主是让你帮忙写个小程序，不是让你去告诉他用什么，况且楼主在1楼也讲了，有液位开关。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563834.html]]></link>
 <author><![CDATA[qinshengyue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 05:32:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用液位感应器就好了，但是价格有点贵。上次我在厦门台交会的时候有看到现场演示]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563773.html]]></link>
 <author><![CDATA[zhidaoshenmo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 04:32:06 +0000]]></pubdate>
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 <description><![CDATA[好的,多谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563682.html]]></link>
 <author><![CDATA[hyd8848]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 02:08:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如下！！！！！！刚刚传不上去]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563678.html]]></link>
 <author><![CDATA[haoweng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 02:02:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如图
！！！！！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563675.html]]></link>
 <author><![CDATA[haoweng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 02:00:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[水箱有高中低三个液位开关,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-40146#563663.html]]></link>
 <author><![CDATA[hyd8848]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Jul 2009 01:45:14 +0000]]></pubdate>
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