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 <title><![CDATA[根据压缩机的控制要求编写一段西门子plc梯 ..]]></title>
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 <title><![CDATA[http://www.docin.com/p-194415787.html?docfrom=rrela]]></title>
 <description><![CDATA[基于PLC的螺杆式压缩机制冷机组并联控制及远程监控系统设计


[url]http://www.docin.com/p-194415787.html?docfrom=rrela[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1635032#1930769.html]]></link>
 <author><![CDATA[zlf60137]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 27 Oct 2017 06:38:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[http://www.docin.com/p-934127113-f2.html]]></title>
 <description><![CDATA[基于PLC的制冷机组三并联控制系统的开发研究

[url]http://www.docin.com/p-934127113-f2.html[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1635032#1930768.html]]></link>
 <author><![CDATA[zlf60137]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 27 Oct 2017 06:36:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[压缩机控制玩了十年。你的逻辑图片真专业厂家吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1635032#1930349.html]]></link>
 <author><![CDATA[gzqzh]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 25 Oct 2017 12:54:23 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[很长时间没写过200的程序了，可以给你个思路
 bool变量：【启动命令】、【停止命令】互锁
 表格：含4组数据，每组数据格式如下：
&nbsp;&nbsp;&nbsp;&nbsp; 是否运行(bool),
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 停机时间(定时器)，一会检查是否停机超过3分钟
&nbsp;&nbsp;&nbsp;&nbsp; 启动序号(字节-4..+ ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1635032#1930281.html]]></link>
 <author><![CDATA[zlf60137]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 25 Oct 2017 08:09:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用一个cpu226的PLC,EM231 RTD模块,一个PT100 控制4台压缩机.
&nbsp;&nbsp;要求&nbsp;&nbsp;1.先启动先停止.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.启动温差和停止温差0-1滠氏度.任意设定.通常设0.5.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1635032#1930280.html]]></link>
 <author><![CDATA[zlf60137]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 25 Oct 2017 08:06:55 +0000]]></pubdate>
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