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CCS/CC3235S: MODBUS TCP or RTU

Arturo Garcia1
Prodigy 70 points
Part Number: CC3235S


Tool/software: Code Composer Studio

Hello Everyone!

Currently, I'm working on a proyect wich i would like use a HMI, the HMI have a communicaton bus for MODBUS TCP or RTU

I wonder if somebody knows about a library for this communication using Code Composer (Launchpad CC3235s). 

Thank you for your support!

  • 0
    TI__Mastermind 38980 points

    Hi Arturo,

    The CC32xx does not have support for this interface. Are you looking for Ethernet?

    Best regards,

    Sarah

  • 0 in reply to Sarah P
    Prodigy 70 points

    I was lookging for info about this issue and i found a little board called MDL-S2E Stellaris.

    Is this a possible way to get this type interface? 

    Replying your question: Ethernet is a possible option because the HMI has this type protocol too. HMI - Delta: DOP-107EG 

  • 0 in reply to Arturo Garcia1
    TI__Mastermind 38980 points

    Hi Arturo,

    The MSP432E4 devices are similar to the old Stellaris devices with Ethernet, and they have a similar SDK to the CC32xx devices.

    The CC32xx devices are all Wi-Fi MCUs. Did you also want Wi-Fi, or do you only want Ethernet or similar interface?

    Best regards,

    Sarah

  • 0 in reply to Sarah P
    Prodigy 70 points

    Hi Sarah,

    Actually I need both. Wi-Fi and Modbus TCP, ethernet is a possible option. 

    I want to use features for WiFi to manage infi through the cloud and i have to see that info through the HMI using a communication channel.

    I should looking for another device?

    Thank you for you support.

  • 0 in reply to Arturo Garcia1
    Guru 80105 points

    Hi,

    Just a comment...

    I think you not understand what Modbus TCP protocol it is. It is a communication protocol widely used at automation. It is very simple protocol which is transferred via TCP protocol. And TCP protocol can be send via Ethernet regardless it is wired (e.g. 100BASE-TX) or Wireless (WiFi). Also TCP protocol can be send via GSM, fibre optic or any other carrier.

    And in case you talk about Modbus RTU this protocol is generally send via serial lines like a RS-485, RS-422 or RS-232. But Modbus RTU can be tunneled via TCP contention as well.

    Jan