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 <title><![CDATA[触摸屏和PLC总是断线，初步判断是干扰，应 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861.html]]></link>
 <description><![CDATA[Latest 50 replies of 触摸屏和PLC总是断线，初步判断是干扰，应 ..]]></description>
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 <lastBuildDate><![CDATA[Mon, 18 May 2026 14:58:42 +0000]]></lastBuildDate>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把伺服的金线加个EMI滤波电感。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1718910.html]]></link>
 <author><![CDATA[langui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Nov 2015 04:27:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加个电源滤波器看看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1718663.html]]></link>
 <author><![CDATA[马林12345]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Nov 2015 07:56:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼andy_gao于2015-11-17 19:38发表的&nbsp;&nbsp;:

问下屏蔽线怎么接地，没有露出来啊
[/quote]
用小刀片或斜口钳剥开信号线屏蔽层，用铜线把屏蔽线绞几圈连接到地线上或金属件上。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1718189.html]]></link>
 <author><![CDATA[最远是多远]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 Nov 2015 15:38:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般是干扰所致。设计电路时伺服驱动器要加隔离变压器，并且要可靠接地。触摸屏、PLC的电源要加隔离电源，同样要可靠接地。触摸屏、PLC、伺服驱动器之间的通讯线要选用正规产品，也要接地。做到上述几点保障系统没有干扰。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717963.html]]></link>
 <author><![CDATA[lqm003]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 Nov 2015 06:13:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我从来不接地也没事]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717887.html]]></link>
 <author><![CDATA[ufo6363]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 Nov 2015 03:38:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[屏蔽线只能一端接地，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717804.html]]></link>
 <author><![CDATA[rongbing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 23:44:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[伺服、屏、pLc分别接地试试
开关电源加隔离变压器试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717789.html]]></link>
 <author><![CDATA[sun3751]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 21:09:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[上个月刚接修过一台机器也是通信断续的现象，用的步科屏，用万用表测量A、B端，发现有电压漂移，电源正常，判断是干扰，在电源负端接地后问题解决。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717759.html]]></link>
 <author><![CDATA[工控学子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 14:34:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第6楼xshflove于2015-11-17 19:41发表的&nbsp;&nbsp;:
加磁环试试
[/quote]
已经加了2个磁环，还是不行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717716.html]]></link>
 <author><![CDATA[andy_gao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 12:54:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加磁环试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717696.html]]></link>
 <author><![CDATA[xshflove]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 11:41:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第3楼最远是多远于2015-11-16 22:16发表的&nbsp;&nbsp;:
通信插头有无接触不良，屏蔽线有无单独接地 [s:21]
[/quote]
问下屏蔽线怎么接地，没有露出来啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717694.html]]></link>
 <author><![CDATA[andy_gao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 11:38:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼ak41vszg于2015-11-16 20:51发表的&nbsp;&nbsp;:
你好 你的下面的这个图 是用什么软件绘制的啊
[/quote]
EPLAN，论坛有，或者去亿万]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717693.html]]></link>
 <author><![CDATA[andy_gao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Nov 2015 11:38:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通信插头有无接触不良，屏蔽线有无单独接地 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717291.html]]></link>
 <author><![CDATA[最远是多远]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Nov 2015 14:16:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用eplan画，西门子都比较全，3D文件基本可以找到，国内厂家就没有好了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717280.html]]></link>
 <author><![CDATA[tingfenghu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Nov 2015 13:22:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你好 你的下面的这个图 是用什么软件绘制的啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1532861#1717271.html]]></link>
 <author><![CDATA[ak41vszg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Nov 2015 12:51:38 +0000]]></pubdate>
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