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 <title><![CDATA[如何在触摸屏上显示液位的状况]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541.html]]></link>
 <description><![CDATA[Latest 50 replies of 如何在触摸屏上显示液位的状况]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sat, 18 Apr 2026 11:18:16 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用压力变送器输出模拟量再输入AD模块。显示在人机上，效果肯定不错,你还可以在PLC程序里面增加控制，达到你要求的功能]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#555284.html]]></link>
 <author><![CDATA[sheedd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 07:07:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[超声波液位计加2AD模块就行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#555191.html]]></link>
 <author><![CDATA[zl6079]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 04:17:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也是初学者，我认为可以用模拟量液位计并用PLC加AD模块即可
液位计如果要求不高，用些国产的就可以吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#555095.html]]></link>
 <author><![CDATA[allinsong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 02:24:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[棒图 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#555032.html]]></link>
 <author><![CDATA[月泽]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 01:29:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第10楼wwcwwc于2009-06-20 08:51发表的&nbsp;&nbsp;:
做水位还上不容易,楼上说了许多方法,简单的思路用计算数器加/减法模拟.
[/quote]
这个方法可行！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#555010.html]]></link>
 <author><![CDATA[cumtjmw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 01:12:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[做水位还上不容易,楼上说了许多方法,简单的思路用计算数器加/减法模拟.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#554988.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Jun 2009 00:51:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了&nbsp;&nbsp;探讨下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#493354.html]]></link>
 <author><![CDATA[工控小陈]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 18 Apr 2009 03:12:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39]&nbsp;&nbsp;[s:39] 水位计咯]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#493300.html]]></link>
 <author><![CDATA[tengjj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 18 Apr 2009 01:18:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以用棒图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#492961.html]]></link>
 <author><![CDATA[huxupin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Apr 2009 13:24:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用压力变送器输出模拟量再输入AD模块。显示在人机上，效果肯定不错。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#450919.html]]></link>
 <author><![CDATA[william]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 14:29:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没用过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#450522.html]]></link>
 <author><![CDATA[优进]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 05:50:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没用过！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#449787.html]]></link>
 <author><![CDATA[陈及灿]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Mar 2009 07:43:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用编码器可做高精度的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#433915.html]]></link>
 <author><![CDATA[lwj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 14:57:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[精度不高，只是想直观些，选什么液位计和模块好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#433400.html]]></link>
 <author><![CDATA[lin_min]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 03:22:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看“一定的水量”要精确到什么程度。
如果只是简单的需要保证水池的水量充足，那么只需要上限和下线两个开关量，顶多再加上上下极限的报警信号。
如果需要实时监控液位，则需要模拟量液位计和PLC上加模拟量模块而已。
要在触摸屏上显示的话最好是读取模拟量值，然后用棒图了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30541#433394.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 03:10:15 +0000]]></pubdate>
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