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how to control RS485 port with vb.net?
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If you realy have a RS 485 port in your PC, then it should be asigned to a COM Port. So you can use the Serial Port Class[^]

But you also need documentation about the connected devices and the used protocol.
 
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cbkulathunge 4-May-12 10:15am    
thank you for answering
Andy411 4-May-12 10:19am    
you're wecome.
Thx for voting

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