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???
01/09/08 13:27
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 		 #149174 - What is domotica?
Responding to: ???'s previous message
Jeroen Wilbers said:
Currently I'm developing a domotica like system.

Never heard of it, I'm afraid.

What kind of distances and speeds are you talking?

Things like MIDI (between electronic musical instruments) and MDB (within vending machines) just use opto-isolators - do you really need transformers?

MDB is 9600, and I think MIDI runs at about 34k?

MDB relies upon the 8051's multiprocessor mode.

List of 27 messages in thread
TopicAuthorDate
galvanic isolated communication            01/01/70 00:00      
   What is domotica?            01/01/70 00:00      
      Domotica            01/01/70 00:00      
         GND loop wont be a problem            01/01/70 00:00      
            Misunderstanding?            01/01/70 00:00      
               RS485 Isolators            01/01/70 00:00      
      Transformers vs. optocouples ?            01/01/70 00:00      
         there are galvanically isolated 485 transcievers            01/01/70 00:00      
   PROFIBUS?            01/01/70 00:00      
      I would not            01/01/70 00:00      
         Have you seen...            01/01/70 00:00      
            no, I have not and I definitely would not            01/01/70 00:00      
         RS485            01/01/70 00:00      
   Fibre optics?            01/01/70 00:00      
      Yes, there is, but rather expensive!            01/01/70 00:00      
   Wireless?            01/01/70 00:00      
   Power-line communication?            01/01/70 00:00      
   Standard Radio Uses Optoisolators            01/01/70 00:00      
      Shield            01/01/70 00:00      
         noibody said not to ground cases etc            01/01/70 00:00      
   Isolated RS485            01/01/70 00:00      
   Jeroen, where are you??            01/01/70 00:00      
      please do not answer Jeroen, where are you??            01/01/70 00:00      
         ???            01/01/70 00:00      
            Kai            01/01/70 00:00      
               But he did already!            01/01/70 00:00      
   galvanic insulaton            01/01/70 00:00      

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