HMI & modbus protocol

Discussion in 'Embedded Systems and Microcontrollers' started by prajk, Nov 26, 2007.

  1. prajk

    Thread Starter New Member

    Nov 13, 2007
    4
    0
    hello,
    i m using c8051f020 microcontroller.
    i want to interface HMI touch screen with modbus protocol.
    i m planning to used ASCII format and 485 communication.
    i hav read the theory of modbus communication.
    can u guide me what all points should i consider about HMI and modbus?
    thanx in advance.
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,152
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    Learn CRC calculations quickly you should.
     
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