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RS 485, Modbus Communication Protocol sensors with Arduino

Discussion in 'Sensors and Actuators' started by Amin Hajihosseinlu, Nov 16, 2015.

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  1. Amin Hajihosseinlu

    Amin Hajihosseinlu

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    Nov 16, 2015
    Is anybody familiar with interfacing a sensor that has Modbus communication protocol with Arduino.
    I am aware that there are couple of libraries for Arduino programs, however I have another question. Has anybody done it before?

    Appreciate any guide.
     
  2. Minder

    Minder

    2,969
    626
    Apr 24, 2015
    Modbus communication can take a few serial forms, I have done it with RS232.
    What is the output format of the sensor?
    M.
     
  3. Amin Hajihosseinlu

    Amin Hajihosseinlu

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    0
    Nov 16, 2015
    Thanks for your reply
    It is Modbus, master/slave rs485.
     
  4. Minder

    Minder

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    626
    Apr 24, 2015
    Maxim has quite a selection for a RS485 Transceivers.
    I have not used Arduino, but I have used the Modbus protocol with Pic's. so I can't help you there, are you familiar with the Modbus master/slave protocol?
    M.
     
  5. Amin Hajihosseinlu

    Amin Hajihosseinlu

    15
    0
    Nov 16, 2015
    I am familiar little bit, I have already purchased the Maxim IC max485 which convert TTL to RS485, If you have used it with PIC it should not be very different, I will use your expertise and experience.
    Thank you
     
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