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 <title><![CDATA[关于FX5U-485ADP与富士变频器485通讯不顺 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 关于FX5U-485ADP与富士变频器485通讯不顺 ..]]></description>
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 <description><![CDATA[需要改成2线制接法，4线制是有问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1762863#2396712.html]]></link>
 <author><![CDATA[shitou83]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 27 Nov 2023 07:29:51 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第2楼皮五于2023-11-17 15:33发表的&nbsp;&nbsp;:
485除了A，B，还有个GND
[/quote]
请问下GND接线是单独一根线连接变频器的SD端子和FX5U-485ADP的SG端子吗？还是说用信号线的屏蔽层两端连接变频器的SD端子和485模块SG端子？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1762863#2394495.html]]></link>
 <author><![CDATA[13281383339]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 17 Nov 2023 09:43:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼梦雨天涯于2023-11-17 13:39发表的&nbsp;&nbsp;:
485的正负之间并联加一个120欧的电阻？
[/quote]
感谢回复。三菱的485通讯模块和富士变频的485通讯上的终端电阻都切换到了110欧姆档位，应该是相当于已经并联了电阻吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1762863#2394493.html]]></link>
 <author><![CDATA[13281383339]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 17 Nov 2023 09:40:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[485除了A，B，还有个GND]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1762863#2394453.html]]></link>
 <author><![CDATA[皮五]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 17 Nov 2023 07:33:42 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[485的正负之间并联加一个120欧的电阻？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1762863#2394389.html]]></link>
 <author><![CDATA[梦雨天涯]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 17 Nov 2023 05:39:58 +0000]]></pubdate>
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