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 <title><![CDATA[电机自动正反转？]]></title>
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 <description><![CDATA[Latest 50 replies of 电机自动正反转？]]></description>
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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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 <description><![CDATA[变频器用外部端子控制，就是一般电力拖动上的电机往返电路而已，很简单的东东了啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1026082.html]]></link>
 <author><![CDATA[wengjun8250]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Apr 2011 01:09:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用变频器就可以实现了,楼主，简单活自己干吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1025917.html]]></link>
 <author><![CDATA[fxtrn]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Apr 2011 14:41:55 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[行程开关定位，用变频的三线制控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020639.html]]></link>
 <author><![CDATA[王风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 20 Apr 2011 01:53:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[很是无语]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020606.html]]></link>
 <author><![CDATA[yyy313]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 20 Apr 2011 01:27:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电工一年级都会做]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020488.html]]></link>
 <author><![CDATA[535357]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 15:51:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[简单，不要紧张]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020448.html]]></link>
 <author><![CDATA[roger_jiang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 14:51:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:26] kyk看一看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020416.html]]></link>
 <author><![CDATA[zhcwos]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 14:23:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，赶快加油吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020412.html]]></link>
 <author><![CDATA[hogoqiu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 14:19:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这些都是些基础&nbsp;&nbsp;很好搞的啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020406.html]]></link>
 <author><![CDATA[254150208]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 14:15:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[努力学习呀
 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1020388.html]]></link>
 <author><![CDATA[zcdq6579]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Apr 2011 14:07:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[行程开关控制两个中继器，两个中继控制正反转]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018806.html]]></link>
 <author><![CDATA[周文久]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Apr 2011 02:39:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018695.html]]></link>
 <author><![CDATA[hubaiyuan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 23:31:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这种东西虽然不难，但请别人帮忙最好是先给钱
俗话说，有钱好办事嘛！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018601.html]]></link>
 <author><![CDATA[狂学plc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 15:34:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用楼主宽容于2011-01-20 11:19发表的 电机自动正反转？ :
大家好！现在我搞一台吹模机，有一个变频，一个电机，两个行程开关，一个停止按钮，两个起动按钮。要求是自动往反转。不知怎样设计电路，望大家帮帮忙！（有两个中继）。
[/quote]
楼主还是多看《电力拖动》这本书吧，学好基础的理论知识对你会有好大的映 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018377.html]]></link>
 <author><![CDATA[qq593276766]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:48:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[简单，应该自己做，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018369.html]]></link>
 <author><![CDATA[李磊88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:39:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变萍器,本来就有正反转
 功能.看其手册就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018362.html]]></link>
 <author><![CDATA[zhidaoshenmo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:33:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有时候，自己思考出来会更好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018356.html]]></link>
 <author><![CDATA[孟祥兴]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:28:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器外部控制模式，正转端子和反转端子，你只要把信号给了即可]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018344.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:14:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接一个电机机动往返转就行，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018338.html]]></link>
 <author><![CDATA[sug]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 11:07:04 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主把每一个工作过程说清楚一点吧，这样应该好画图一点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018305.html]]></link>
 <author><![CDATA[阮子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 10:35:31 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[是不是用于吹膜机的上旋转控制？难道你没用过变频器？用过就很简单呐，太简单的东西不要依赖与人。人家会看不起你的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018273.html]]></link>
 <author><![CDATA[zjl140519903]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 09:49:32 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:26]&nbsp;&nbsp;[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018236.html]]></link>
 <author><![CDATA[sexydiban]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 09:01:17 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主的电工证是不是拿钱买的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018222.html]]></link>
 <author><![CDATA[lixiaoyun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 08:44:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看变频器手册呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1018195.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 08:00:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用没用过变频器，行程开关控制继电器，继电器控制变频器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#1017905.html]]></link>
 <author><![CDATA[zhaowei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Apr 2011 02:06:45 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[KA1接变频器正转，KA2接变频器反转。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#972964.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Feb 2011 11:31:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以做的，就是用行程开关控制继电器来控制变频器正反转信号，实现变频器正反转。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#972906.html]]></link>
 <author><![CDATA[xshflove]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 Feb 2011 09:41:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没讲清楚，工艺流程呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#968342.html]]></link>
 <author><![CDATA[wuliangfu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 Feb 2011 00:20:55 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我看你还是用光电感应开关好弄点，羔那么复杂，神神的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#963271.html]]></link>
 <author><![CDATA[清河]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 13:45:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94729#962980.html]]></link>
 <author><![CDATA[weiqiang615]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jan 2011 08:03:04 +0000]]></pubdate>
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