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???
09/03/07 05:51
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Msg Score: -1
 -1 Gimmee Code		 #143920 - MCS-51 and RS485
hai all,

After looking at Code library 8052.com/codelib.htm.There was circuit for rs232 and rs-485 converter.As the experimenter we did knew the rs-232 and rs-485 sligthly different.
Is there master here,who had code for rs-485 network with AT89SXX?

Thank's
JBJ

List of 46 messages in thread
TopicAuthorDate
MCS-51 and RS485            01/01/70 00:00      
   Specifics?            01/01/70 00:00      
   not enough clear            01/01/70 00:00      
   RS485 code at code library didn't work's            01/01/70 00:00      
   .ASM or .C code nevermind            01/01/70 00:00      
      But what do you need it to do?            01/01/70 00:00      
         485 master slave            01/01/70 00:00      
            I did            01/01/70 00:00      
               RS-485 master/slave code.            01/01/70 00:00      
                  Try Modbus            01/01/70 00:00      
                     Oops sorry,Must using uart with another mode.            01/01/70 00:00      
   RS-485 code            01/01/70 00:00      
      Full duplex?            01/01/70 00:00      
         Full duplex ...the reasons            01/01/70 00:00      
            That's not a reason!            01/01/70 00:00      
            Technically            01/01/70 00:00      
               another reason            01/01/70 00:00      
                  maybe You need Ethernet?            01/01/70 00:00      
                     Another issue...            01/01/70 00:00      
                  wrong? not really, but wasteful            01/01/70 00:00      
                  another reason 2            01/01/70 00:00      
                     there is no 'same time'            01/01/70 00:00      
                        OK there wasn't same but....            01/01/70 00:00      
                           Asynchronous?            01/01/70 00:00      
                           if I understand what you are saying            01/01/70 00:00      
                              Something like this            01/01/70 00:00      
                                 Modbus            01/01/70 00:00      
                                    swicth to modbus            01/01/70 00:00      
                                       Sample code            01/01/70 00:00      
                                    References            01/01/70 00:00      
                                 collisions            01/01/70 00:00      
   try 30 baud            01/01/70 00:00      
   Before jumping to pool named as "modbus"            01/01/70 00:00      
      You have a calculator!            01/01/70 00:00      
         what a waste of bandwith            01/01/70 00:00      
            Tradeoff            01/01/70 00:00      
               There is overhead you can save with no ill effect            01/01/70 00:00      
                  The point is...            01/01/70 00:00      
                     modbus exist does not make it pantyhose            01/01/70 00:00      
                        For a beginner...            01/01/70 00:00      
   Getting wet with modbus by drag from Russel            01/01/70 00:00      
   AT89S8252 and AT89S52            01/01/70 00:00      
      Nope!            01/01/70 00:00      
         AT89S5X with 24LC02            01/01/70 00:00      
            Lot of work??            01/01/70 00:00      
            Quoting previous posts            01/01/70 00:00      

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