Welcome to our new forum
All users of the legacy CODESYS Forums, please create a new account at account.codesys.com. But make sure to use the same E-Mail address as in the old Forum. Then your posts will be matched. Close

J1939 Claimed Address

2014-03-10
2020-12-13
  • DavidWSteadman - 2014-03-10

    Is there any way to change the destination address of J1939 Tx PGN at runtime? Technically, it is the NAME field of the address claim that uniquely identifies a node, and the address could be different from one power cycle to the next. Granted, most systems are simple enough that this isn't an issue, but there are times when it would be useful to at least be able to change the desination address of a PGN. Indeed, to be fully compliant with J1939, this capability is a requirement.

     
  • eschwellinger

    eschwellinger - 2014-03-11

    Hi,
    The NAME of an ECU is like the MAC address and is always static.
    Each ECU claime at the beginning of an address. That ECU says: Hello, My Name is xyz and I want claim following address.
    This address can be static, but also u.U. dynamically.
    And exactly this address can also be changed using the IEC code.
    RemoteECU has a method to change the address.
    Keywords: Arbitrary Address cabable ECU
    BR
    E.Schwellinger

     
  • DavidWSteadman - 2014-03-12

    It looks like only LocalECU has the change address method as far as I can see, which I assume would change the SA of the local node. What I need is to be able to change the DA field of the P2P Tx PGNs of the local ECU.

     
  • jeffersonhui - 2020-12-13

    Hi, I realize that this thread was over 6 years ago, but I am having the same issue right now. Is there any way to change the destination address of a Tx PGN during runtime? The 'RemoteECU' does not give me an option to change the address.

    Thanks,
    Jefferson

     
    πŸ‘
    1

Log in to post a comment.