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 <title><![CDATA[仪表设备和触摸屏通讯，仪表的通讯芯片总 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084.html]]></link>
 <description><![CDATA[Latest 50 replies of 仪表设备和触摸屏通讯，仪表的通讯芯片总 ..]]></description>
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 <description><![CDATA[1\触摸屏接地，要可靠，2两设备要共地]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1614269.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Oct 2014 08:26:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接地看行不？、]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1614181.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Oct 2014 03:55:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[个人建议也是加隔离变送器，很方便]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1614072.html]]></link>
 <author><![CDATA[liu19916]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2014 16:30:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在最后通信的仪表终端加个电阻]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1613857.html]]></link>
 <author><![CDATA[nimuling1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2014 04:59:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:39] 学习了。顶]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1613817.html]]></link>
 <author><![CDATA[chinazhu6666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2014 03:14:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[共模电压造成的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1613794.html]]></link>
 <author><![CDATA[发射点]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2014 02:29:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第9楼mygreerd于2014-10-26 23:16发表的&nbsp;&nbsp;:
买个无源隔离的通讯模块
[/quote]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;加个隔离模块或485光电转换应该能解决这个问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1613786.html]]></link>
 <author><![CDATA[ffd001]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2014 01:49:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[买个无源隔离的通讯模块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1613728.html]]></link>
 <author><![CDATA[mygreerd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 26 Oct 2014 15:16:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[专门做个仪表接地吧！我曾经用过上海耀华的称重仪表和200PLC走自由口通讯，也是出现这个问题，一开始没问题，过一周左右总是烧仪表的通讯芯片，一般接地也没用，后来请教高手专门做了个三角形的仪表接地才解决！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611933.html]]></link>
 <author><![CDATA[守护北辰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Oct 2014 00:49:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[共模电压造成的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611930.html]]></link>
 <author><![CDATA[killking998]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Oct 2014 00:40:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我的设备是交流220供电，和其他设备电源都挂在A相上面的，设备没有外接的接地端子的，我是没有接地。就感觉是串进了高压，可是测量的时候又正常，只要一连到触摸屏上就会烧掉，其他和触摸屏连着的设备就没事。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611921.html]]></link>
 <author><![CDATA[mingyue100z]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Oct 2014 00:27:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是没接终端电阻的，我的这些设备都在一起的，距离很短，应该没影响吧？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611916.html]]></link>
 <author><![CDATA[mingyue100z]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Oct 2014 00:22:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[终端电阻没接吧???????/]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611782.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2014 10:59:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是设备接地有问题吧？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611776.html]]></link>
 <author><![CDATA[yushli2002]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2014 10:51:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[仪表的供电电源查了么，是否供电不足，欠电流]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611764.html]]></link>
 <author><![CDATA[gc007008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2014 09:48:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[换条导线吧,感应电或者两者电位不同造成的. [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1470084#1611756.html]]></link>
 <author><![CDATA[电工小安子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2014 09:29:20 +0000]]></pubdate>
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