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MODBUS TPC/IP in VB.net RRS feed

  • Question

  • Dear all,

    I'm truly not familiar with MODBUS TCP/IP programming in VB.net and trying to search around still unable to work around the table below. I'm appreciate the guidance and help coding in VB.net working on this protocol.

     

    Thank you.

    Best regards,

    EK

    Tuesday, February 18, 2020 10:49 PM

All replies

  • Hi

    In the 'Search Forum' box at the top of this page, put 'MODBUS TCP/IP programming' and see f any of those help/


    Regards Les, Livingston, Scotland

    Tuesday, February 18, 2020 11:05 PM
  • Dear leshay,

    Searched through the forum but unable to find the forum addressed the problem faced.

    Discovered the device is communicate in MODBUS TCP/IP protocal through port 8080 instead of 502.

    Even though try on 8080 but still couldn't making work follow the function and address provided.

    Thank you.  

    Wednesday, March 4, 2020 9:57 PM
  • Hi

    Couple of links to try

    Modbus TCP to PLC using vb.net

    Old forum thread with an Answer


    Regards Les, Livingston, Scotland

    Thursday, March 5, 2020 12:14 AM
  • Hi,

    Have you tried the link that Leshay recommended to you above, does this help you solve this problem?

    If you have anything else about this issue, please feel free to contact us.

    Best Regards,

    Julie


    MSDN Community Support Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints to MSDN Support, feel free to contact MSDNFSF@microsoft.com.

    Thursday, March 12, 2020 9:47 AM
    Moderator
  • Hi Julie,

    The port issue resolve.

    Thank you for following up.

    Best Regards,

    EK Tan

    Thursday, September 10, 2020 8:28 PM