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 <title><![CDATA[烘箱加热！！！！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548.html]]></link>
 <description><![CDATA[Latest 50 replies of 烘箱加热！！！！]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用固体继电器 加 温控仪 组合就能实现！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1056291.html]]></link>
 <author><![CDATA[hurtqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2011 06:14:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果过于频繁,说明你的发热体和实物空间及通风散热部分,不成协调,适当减少发热体及减少散热机会,会帮助发热管的寿命得以提高很多的,当然前题是必须发热管足够好才可以,否则说什么也没有用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1056170.html]]></link>
 <author><![CDATA[张平全]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2011 04:21:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用主助加热控制方式控制，需要原理图加我Q108725891.注明要图纸]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1055849.html]]></link>
 <author><![CDATA[zttchenjun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 May 2011 14:57:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知道你说的是不是当温度加到设定温度后，加热器在不失电的情况下进行恒温，假如是的话推荐你用光电隔离单相交流调压模块+带模拟量输出的温控表进行调节，我一直是这样做的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1053588.html]]></link>
 <author><![CDATA[宏仪电气]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 May 2011 06:36:27 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了。热心人真不少]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1053364.html]]></link>
 <author><![CDATA[liuminggui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 May 2011 03:04:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[温控仪用4-20MA&nbsp;&nbsp;PID输出的，让PID控制调压模块最小为50V.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1053303.html]]></link>
 <author><![CDATA[714675398]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 27 May 2011 02:12:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3楼好方法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1052057.html]]></link>
 <author><![CDATA[liuhuaxing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 13:29:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[建议使用可控硅控制，也就是所谓的相序保护器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1051994.html]]></link>
 <author><![CDATA[路在何方]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 12:36:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[温控仪用4-20MA&nbsp;&nbsp;PID输出的&nbsp;&nbsp; 加4-20MA输入的调压模块控制[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1051978.html]]></link>
 <author><![CDATA[萧风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 12:22:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用两只可控硅反并联配宇电518K5仪表就可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1051494.html]]></link>
 <author><![CDATA[wsc001]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 02:51:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加热器的电压降为50V左右（就是加热管不断电）？为什么要求50V？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1051478.html]]></link>
 <author><![CDATA[jx_einstein]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 02:41:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[切换至50度的电源不就成了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106548#1051449.html]]></link>
 <author><![CDATA[fff936100286]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 May 2011 02:08:23 +0000]]></pubdate>
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