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 <title><![CDATA[求助 pid恒温控制]]></title>
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 <description><![CDATA[Latest 50 replies of 求助 pid恒温控制]]></description>
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 <description><![CDATA[用PID温控表控制执行器就可以，这个程序很难写]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1970157.html]]></link>
 <author><![CDATA[1120795098]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 04 May 2018 12:39:24 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第10楼yiyang1于2018-03-18 16:01发表的&nbsp;&nbsp;:
把机械原理图帖上来大家给你看看
[/quote]
图没呢，大致是这样的，！
一台设备，蒸汽阀控制蒸汽加热&nbsp;&nbsp;风机工频吹热风加热原料 pt100装在物料进风口]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1958119.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Mar 2018 07:04:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把机械原理图帖上来大家给你看看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957983.html]]></link>
 <author><![CDATA[yiyang1]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 18 Mar 2018 08:01:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第7楼jum1982于2018-03-16 10:34发表的&nbsp;&nbsp;:


PWM控制Q0.0，Q0.0的常闭点输出Q0.1。
[/quote]
&#128513;谢谢师傅，如果到温度临界点死区了。q0.0不加热了，会不会q0.1阀门一直关 温度急降，这样振荡]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957968.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 18 Mar 2018 05:46:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第6楼yiyang1于2018-03-14 16:34发表的&nbsp;&nbsp;:
控制风门调整冷热风混合量哈
[/quote]谢谢师傅，没有风门呢，风机是工频运行的，只有一个蒸汽阀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957967.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 18 Mar 2018 05:42:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼lufei562于2018-03-13 18:24发表的&nbsp;&nbsp;:
pwn 只能一个开关量，两个开关量头疼啊~
[/quote]

PWM控制Q0.0，Q0.0的常闭点输出Q0.1。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957636.html]]></link>
 <author><![CDATA[jum1982]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2018 02:34:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制风门调整冷热风混合量哈]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957339.html]]></link>
 <author><![CDATA[yiyang1]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 14 Mar 2018 08:34:56 +0000]]></pubdate>
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 <description><![CDATA[pwn 只能一个开关量，两个开关量头疼啊~[quote]引用第2楼haotian3083于2018-03-07 19:51发表的&nbsp;&nbsp;:
控制恒温用pwm
[/quote]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957119.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 13 Mar 2018 10:24:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是啊，比较难

[quote]引用第3楼seven.lin于2018-03-13 11:08发表的&nbsp;&nbsp;:
[s:28] 
开关阀要做到恒温比难喔，需要反复调试，可以设置一个回差来使控温过程更稳定。
[/quote]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957111.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 13 Mar 2018 09:22:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 
开关阀要做到恒温比难喔，需要反复调试，可以设置一个回差来使控温过程更稳定。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1957004.html]]></link>
 <author><![CDATA[seven.lin]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 13 Mar 2018 03:08:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[控制恒温用pwm]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1956050.html]]></link>
 <author><![CDATA[haotian3083]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 07 Mar 2018 11:51:36 +0000]]></pubdate>
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 <description><![CDATA[~~~~~~&#128559;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1645636#1955979.html]]></link>
 <author><![CDATA[lufei562]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 07 Mar 2018 07:18:40 +0000]]></pubdate>
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