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 <title><![CDATA[求助LS PLC的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助LS PLC的问题]]></description>
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 <description><![CDATA[应该是外部干扰引起的。只要对PLC电源屏蔽加良好的接地就可以避免。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1230790.html]]></link>
 <author><![CDATA[ajpa88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 07:19:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1230689.html]]></link>
 <author><![CDATA[泰山之石]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 04:53:34 +0000]]></pubdate>
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 <description><![CDATA[谢谢大家的回复，问题现在搞定了，是PLC硬件坏了，换了一个PLC就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1230657.html]]></link>
 <author><![CDATA[电气从业者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Mar 2012 03:59:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[plc的故障。换掉PLC,我也遇到过。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1229334.html]]></link>
 <author><![CDATA[qjdq8868]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Mar 2012 02:16:12 +0000]]></pubdate>
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 <description><![CDATA[产电的PLC，K120se应该是K7M-30UE是经济型的PLC。应该是电源滤波不良导致交流纹波过大引起的干扰吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1229231.html]]></link>
 <author><![CDATA[ldq_yang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 16:23:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习！ [s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1229173.html]]></link>
 <author><![CDATA[kerry]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 14:37:43 +0000]]></pubdate>
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 <description><![CDATA[还有可能是PLC内部混入导电性异物或受外部异常噪音的影响，导致CPU失控造成运算周期超时。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1229165.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 14:30:15 +0000]]></pubdate>
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 <title><![CDATA[应该PLC内部开关电源产生干扰性故障引起。]]></title>
 <description><![CDATA[应该PLC内部开关电源产生干扰性故障引起。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1229159.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 14:22:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼392074013于2012-03-16 20:43发表的&nbsp;&nbsp;:
PLC问题，刷一下系统OS看一下。
[/quote]
请问怎么刷OS呀，谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228996.html]]></link>
 <author><![CDATA[电气从业者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 10:44:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼shi2999于2012-03-16 21:31发表的&nbsp;&nbsp;:

PLC重启是时断电再通电是吧？
[/quote]
是的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228994.html]]></link>
 <author><![CDATA[电气从业者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 17 Mar 2012 10:38:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用楼主我不是老板于2012-03-16 16:40发表的 求助LS PLC的问题 :
我这里有一台水处理设备，上面用的是LS的PLC，型号是K120SE,以前用的好好的。可是现在有时故障灯（ERR)会闪烁，然后PLC就停止工作，我用电脑连接PLC读出故障是OS WATCH-DOG(CPU 操作系统上的看门狗错误），后来把电源断掉，在上电又好了，过不了多 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228530.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2012 13:31:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[马克！！
学习。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228505.html]]></link>
 <author><![CDATA[ukqbso]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2012 12:49:41 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC问题，刷一下系统OS看一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228503.html]]></link>
 <author><![CDATA[工控小生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2012 12:43:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是不是PLC坏了呀？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143342#1228417.html]]></link>
 <author><![CDATA[电气从业者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Mar 2012 09:32:14 +0000]]></pubdate>
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