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 <title><![CDATA[刚学PLC，请教编程问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96920.html]]></link>
 <description><![CDATA[Latest 50 replies of 刚学PLC，请教编程问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 15 May 2026 21:33:40 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[0-50对应4-20MA，也对应6400-32000.
所以1度等于32000减6400再除以50 ，等于512。
本来AIW0输出是0-20MA，对应0-32000.
所以32000要减去6400.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96920#1088105.html]]></link>
 <author><![CDATA[givemepower]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 10 Jul 2011 01:28:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[求教，能简单说下原理吗？为什么VD18对应是+2 5&nbsp;&nbsp; VD28对应的是+84
谢谢&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96920#1087771.html]]></link>
 <author><![CDATA[工控雏鸟]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 09 Jul 2011 08:33:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以这样转换的，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-96920#978940.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 25 Feb 2011 23:15:51 +0000]]></pubdate>
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