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 <title><![CDATA[一个电磁阀的接法，请高手解答]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691.html]]></link>
 <description><![CDATA[Latest 50 replies of 一个电磁阀的接法，请高手解答]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Mon, 13 Apr 2026 15:32:57 +0000]]></lastBuildDate>
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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[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1256879.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Apr 2012 15:26:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主，可要加油啊，要不就要被老板炒油鱼了啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1256874.html]]></link>
 <author><![CDATA[andtom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Apr 2012 15:23:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[续流，保护PLC触点的，至于181-184端子要看你前面的电路，一般是0V.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1256751.html]]></link>
 <author><![CDATA[yangtao02060]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Apr 2012 12:56:47 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1256731.html]]></link>
 <author><![CDATA[小小一电工]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Apr 2012 12:25:00 +0000]]></pubdate>
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 <description><![CDATA[续流二极管，0V时动作。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1256633.html]]></link>
 <author><![CDATA[lijinhuaok]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Apr 2012 07:48:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管&nbsp;&nbsp; 保护PLC，这种电路很多的哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1206032.html]]></link>
 <author><![CDATA[ajpa88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 08 Feb 2012 06:25:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上几位说的都好，阐述的比较详细。
支持！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1205588.html]]></link>
 <author><![CDATA[thompson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 07 Feb 2012 13:07:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1205513.html]]></link>
 <author><![CDATA[wlp448]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 07 Feb 2012 11:32:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1205009.html]]></link>
 <author><![CDATA[305234174]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Feb 2012 12:32:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 这个二极管是续流二极管，它的作用是把电磁阀线圈中（断开瞬间）产生的反向电势通过电流的形式消耗掉，从而起到保护上一级输出电路元件的作用。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1204895.html]]></link>
 <author><![CDATA[dreamflylau]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Feb 2012 08:11:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[21楼，正解。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1204831.html]]></link>
 <author><![CDATA[jhwuliangjin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Feb 2012 06:15:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1204814.html]]></link>
 <author><![CDATA[mikejiose]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Feb 2012 05:45:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管，断电时释放感应电动势]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1204704.html]]></link>
 <author><![CDATA[秦立山]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 06 Feb 2012 02:41:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1198481.html]]></link>
 <author><![CDATA[good]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Jan 2012 15:05:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[4楼非常正确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1198461.html]]></link>
 <author><![CDATA[zmy450365]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Jan 2012 14:18:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[个人感觉给信号电磁阀的上位机是三菱的PLC，当有0V信号输出时电磁阀动作，二极管是典型的续流二极管]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1198445.html]]></link>
 <author><![CDATA[阮子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Jan 2012 13:48:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[高手如雲!! [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1198259.html]]></link>
 <author><![CDATA[aa22284]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 14 Jan 2012 08:10:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了，上次做改造的时候被这小管子害过~~~~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1197729.html]]></link>
 <author><![CDATA[qq601920894]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 13 Jan 2012 03:23:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[公共端接着一个+24V电压的话，那181端肯定是输出负电源电磁阀就工作了啊。二极管是给电磁阀提供放电回路，用来保护PLC的输出端子不被高压击穿。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1197432.html]]></link>
 <author><![CDATA[杨康]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 12 Jan 2012 10:27:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管&nbsp;&nbsp; 保护PLC,181-184号0伏时候工作]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1197257.html]]></link>
 <author><![CDATA[qwerty318]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 12 Jan 2012 04:01:47 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[直流电磁阀接续流二级管，交流电磁阀接阻容元件。消除感性负载产生的反电势，消除驱动继电器触点电弧之用。181--184接点是PLC输出点，其动作靠PLC程序决定。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1197131.html]]></link>
 <author><![CDATA[精心设计]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Jan 2012 14:27:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[灭弧，线圈是电感，导通关断都会产生电弧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196968.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Jan 2012 08:33:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[181---184端低电平时电磁阀动作,二极管是续流二极管,起泄放电磁阀断开时的反向电流,保护PLC内部NPN输出回路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196869.html]]></link>
 <author><![CDATA[mingzhu001]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Jan 2012 05:52:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[四楼说得很好。不过最后一句是泄放续流而不是阻挡。8楼最棒]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196645.html]]></link>
 <author><![CDATA[徐明水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 14:49:55 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你的PLC是晶体管输出的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196641.html]]></link>
 <author><![CDATA[zttchenjun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 14:30:35 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用来保护PLC触点的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196638.html]]></link>
 <author><![CDATA[zttchenjun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 14:28:46 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[以上正解]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196628.html]]></link>
 <author><![CDATA[tty]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 14:13:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管&nbsp;&nbsp; 保护PLC]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196514.html]]></link>
 <author><![CDATA[guoshihua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 10:36:47 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[续流二极管，保护PLC输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196487.html]]></link>
 <author><![CDATA[坚士人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 09:39:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通电就可以工作呀，是的
 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134691#1196472.html]]></link>
 <author><![CDATA[techo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Jan 2012 09:12:31 +0000]]></pubdate>
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