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CAN bus and Modbus difference?

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CAN bus and Modbus difference?

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MODBUS is a software protocol whereas RS-485 is a hardware protocol (in a layman language). If you take analogy of ISO OSI network layer model, MODBUS falls on on of the upper layers while RS-485 is on lower layer. Tkae a simple example. You like to make a call from Russia to Germany.Jun 27, 2005

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