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 <title><![CDATA[求助S7-300功能块PID控制的应用]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助S7-300功能块PID控制的应用]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[时间很短的过程中PID参数没法自学习整定怎么办啊？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1724331.html]]></link>
 <author><![CDATA[hzyhscm]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 08 Dec 2015 04:20:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[下来，学习学习；谢了！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1724172.html]]></link>
 <author><![CDATA[lj4836618]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 07 Dec 2015 13:47:49 +0000]]></pubdate>
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 <description><![CDATA[PID常用口诀:参数整定找最佳，从小到大顺序查，先是比例后积分，最后再把微分加，曲线振荡很频繁，比例度盘要放大，曲线漂浮绕大湾，比例度盘往小扳，曲线偏离回复慢，积分时间往下降，曲线波动周期长，积分时间再加长，曲线振荡频率快，先把微分降下来，动差大来波动慢，微分时间应加长，理想曲线两个波，前高后低4比1，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1721294.html]]></link>
 <author><![CDATA[whldyy1125]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2015 08:05:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢大家··]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1703809.html]]></link>
 <author><![CDATA[mojimoji000]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 05 Oct 2015 07:52:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有没有fb58的说明啊，我要做温度控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1697295.html]]></link>
 <author><![CDATA[aidry]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Sep 2015 06:51:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[现成的FB41，直接调用就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1678516.html]]></link>
 <author><![CDATA[wjh110316]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 25 Jun 2015 12:51:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[调用FB41，查看FB41帮助文件。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1484854#1666330.html]]></link>
 <author><![CDATA[十八皇子]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 13 May 2015 02:37:02 +0000]]></pubdate>
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