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 <title><![CDATA[三菱PLC故障请教]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933.html]]></link>
 <description><![CDATA[Latest 50 replies of 三菱PLC故障请教]]></description>
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 <lastBuildDate><![CDATA[Tue, 07 Apr 2026 03:32:20 +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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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习104]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1179131.html]]></link>
 <author><![CDATA[qiaobusi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Dec 2011 07:16:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习103]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1179128.html]]></link>
 <author><![CDATA[qiaobusi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Dec 2011 07:15:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:17][s:17][s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1178194.html]]></link>
 <author><![CDATA[yjx5355]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 21:08:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[回路不通，有问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1178118.html]]></link>
 <author><![CDATA[tty]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 14:41:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！碰到了一定留意]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1178054.html]]></link>
 <author><![CDATA[机修仔]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 13:29:31 +0000]]></pubdate>
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 <description><![CDATA[应该可以修复的&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1177914.html]]></link>
 <author><![CDATA[lixiangnse]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 11:29:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[换个电阻再测一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1177718.html]]></link>
 <author><![CDATA[joan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 06:10:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[三菱PLC 是没有S/s点，台达才有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1177641.html]]></link>
 <author><![CDATA[longkeming]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 04:14:32 +0000]]></pubdate>
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 <description><![CDATA[24V有，输入点全部不亮，是里面的一个限流电阻坏，用万用表量体积比较大得那个电阻，（原来有一个保险管现在没有）一端和COM口相连，一般阻值在500-1000欧以下.每个点20MA电流，用欧姆定律也大楷计算出限流电阻的阻值。原来的plc 有一个保险管直接换掉，上面有电流表示]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1177639.html]]></link>
 <author><![CDATA[longkeming]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 06 Dec 2011 04:11:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[plc坏]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1176879.html]]></link>
 <author><![CDATA[yangyanshuo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 05 Dec 2011 01:42:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有S/S接点吗？如有把它和24V接，就可以了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1168479.html]]></link>
 <author><![CDATA[琴岛工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 21 Nov 2011 05:19:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电源有问题吧，我有一个FX1N的也是这样，加个电源就好啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1167578.html]]></link>
 <author><![CDATA[liujian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 19 Nov 2011 14:10:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[COM口内部开路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1167554.html]]></link>
 <author><![CDATA[wxwwm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 19 Nov 2011 13:48:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[先看下能不能通讯吧，不能通讯就是主板坏掉了，拿来我帮你研究下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1167103.html]]></link>
 <author><![CDATA[gongkongbing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 19 Nov 2011 01:51:17 +0000]]></pubdate>
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 <description><![CDATA[先看清楚是-D 还是-001吧，FX很简单也便宜，坏了就扔掉]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166886.html]]></link>
 <author><![CDATA[tuanailing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 13:10:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是不是要将+24V和s/s点用短接线联起来的啊？我印象中好像有的2n是要这样的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166824.html]]></link>
 <author><![CDATA[mnbjkl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 11:59:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持2楼。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166819.html]]></link>
 <author><![CDATA[cailiang123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 11:50:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[1，看又没有24V电压。2如果有24V，看看是否接反了，com接24负，输入点应该接24V+..。3，PLC模块烧掉。以上3点仅供参考。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166726.html]]></link>
 <author><![CDATA[gaohongjin52]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 08:51:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[220输入电源有问题吗，如没问题，量一下DC24V直流电源有没有啊
如果都没有肯定是公共的问题。可以打开PLC，检查COM端是不是有脱焊的地方，要不就是内部开关电源问题。

24V输出正常，电源指示灯、RUN指示灯都正常，
用导线直接连（没用接线端子）com与X0等输入点，就是输入点没反应（指示灯都不亮）。
这种故障一定也是公 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166652.html]]></link>
 <author><![CDATA[aoouang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 07:08:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[会不会输入光电耦合器坏；]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166625.html]]></link>
 <author><![CDATA[qzh_sjd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 06:50:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[24V输出正常，电源指示灯、RUN指示灯都正常，
用导线直接连（没用接线端子）com与X0等输入点，就是输入点没反应（指示灯都不亮）。
谁见过这样的故障？请教一下，谢谢了！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166588.html]]></link>
 <author><![CDATA[eb545]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 06:07:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[限流电阻烧坏。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1166466.html]]></link>
 <author><![CDATA[cs_luo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 Nov 2011 03:17:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还是检查一下内部24V伏电源吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165801.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 13:54:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输入点坏了,很有可能是里面的电阻损坏.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165744.html]]></link>
 <author><![CDATA[渤海边]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 13:16:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[测一下有没有24V电压吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165743.html]]></link>
 <author><![CDATA[guoshihua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 13:15:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！碰到了一定留意]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165727.html]]></link>
 <author><![CDATA[不再头疼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 13:05:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持3楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165629.html]]></link>
 <author><![CDATA[kz1566]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 11:27:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[直接用万用表也可以在直流50V档位量,没有电压就打开看,说不定内部开关电源坏了呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165619.html]]></link>
 <author><![CDATA[huosang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 11:12:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这种故障是硬件损坏中容易修复的，有可能里面的限流电阻损坏引起的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165475.html]]></link>
 <author><![CDATA[llb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 07:16:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把端子排取掉然后短接COM的针脚与输入点针脚看看，如果还是，那么内部电源问题或者公共电路问题.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126933#1165467.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Nov 2011 07:07:08 +0000]]></pubdate>
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