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???
12/20/04 07:34
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#83492 - CAN
Responding to: ???'s previous message
hi,

I wonder why none of you is backing CAN, Is there any serious problem with it?


I have using CAN for years with Atmel T89C51CC01 and AT89C51CC03.

Well, it is nice solution if you know about what you need with. Indeed, CAN is not only interface but a protocol as well. And it is well documented under OSI model. And it is implemented into hardware of many 51s. And CAN arbitration works without collisions and time lags. That`s good.
But the main difference of CAN protocol is that it is based on network messages and their priorities/types, not on node numbers. For me it took some time while I elaborated an algoritm of network which is divided on subnets and nodes in where any node may work with any other one in any subnet. And it was not easy task, as I remember.

Regards,
Oleg

List of 27 messages in thread
TopicAuthorDate
Control system            01/01/70 00:00      
   buses for industrial            01/01/70 00:00      
      CAN or RS-485            01/01/70 00:00      
         one way of master slave            01/01/70 00:00      
         RS485            01/01/70 00:00      
   Control system            01/01/70 00:00      
   Modbus            01/01/70 00:00      
      modbus or not            01/01/70 00:00      
   rs-485            01/01/70 00:00      
      Rs485 vs CAN            01/01/70 00:00      
      CAN            01/01/70 00:00      
         rs-485,high speed?            01/01/70 00:00      
            UART speed            01/01/70 00:00      
            Speed            01/01/70 00:00      
               Go Speed Racer!            01/01/70 00:00      
                  comments on speed and the above            01/01/70 00:00      
                     Daisy chain            01/01/70 00:00      
                        Daisy,Daisy.....            01/01/70 00:00      
                        no repeat            01/01/70 00:00      
                           Modbus            01/01/70 00:00      
                              Modbus            01/01/70 00:00      
                                 Hub ?            01/01/70 00:00      
   Modbus            01/01/70 00:00      
      Modbus            01/01/70 00:00      
         More modbus            01/01/70 00:00      
            Modbus            01/01/70 00:00      
               failed links            01/01/70 00:00      

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