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???
12/14/05 12:09
Modified:
  12/14/05 12:10

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#105209 - modbus specifications
Responding to: ???'s previous message
Sorry for duplicate message: I just edited this one.



Download the modbus specifications from this page.

http://www.modbus.org/docs/Modb..._V1_1a.pdf

Thoroughly read it and then come up with your specific questions.

You can device your own protocol as well which, depending upon your communication requirement, may be simpler to do.



List of 11 messages in thread
TopicAuthorDate
rs485            01/01/70 00:00      
   fundamentals!            01/01/70 00:00      
      rs485            01/01/70 00:00      
         modbus specifications            01/01/70 00:00      
            thanks            01/01/70 00:00      
               Protocol            01/01/70 00:00      
                  pls bear with us            01/01/70 00:00      
                     9th bit communication            01/01/70 00:00      
                        rs-4385 fail most of the time because no            01/01/70 00:00      
                        Mode-3: Automatic Address Recognition            01/01/70 00:00      
   THANKYOU            01/01/70 00:00      

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