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 <title><![CDATA[PLC的保护问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215.html]]></link>
 <description><![CDATA[Latest 50 replies of PLC的保护问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 09 May 2026 14:54:50 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加密啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049346.html]]></link>
 <author><![CDATA[caifangchun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 12:04:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加转接吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049335.html]]></link>
 <author><![CDATA[wusaoyun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 11:54:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[二极管一般用普通IN4007的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049290.html]]></link>
 <author><![CDATA[zhgjxccbt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 10:58:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049287.html]]></link>
 <author><![CDATA[辛勤蜜蜂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 10:54:51 +0000]]></pubdate>
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 <description><![CDATA[负载大，动作频繁的话，必须要加转接，以延长plc内部R寿命]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049185.html]]></link>
 <author><![CDATA[wsir123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 08:11:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[浪涌吸收器主要针对交流负载（如交流接触器），续流二极管主要针对直流负载（如直流电磁阀）在继电器输出类型的plc输出端加安装这两个零件目的是灭弧，延长plc输出点的使用寿命。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049167.html]]></link>
 <author><![CDATA[铭杰工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 07:19:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般加二极管比较多，用浪涌吸收器比较少。对了，如果加二极管大家是加什么型号的？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1049060.html]]></link>
 <author><![CDATA[gali1120107]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 04:59:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[因为如果带感性负载的话，在线圈断电的瞬间会产生很高的自感电势，反送到plc的输出点，产生损伤。所以应加浪涌吸收器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1048613.html]]></link>
 <author><![CDATA[hongsheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 14:29:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那你加一个二极管也可以实现吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106215#1048506.html]]></link>
 <author><![CDATA[lu831226]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 12:58:16 +0000]]></pubdate>
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