Can connect in tia portal

Mark lucas

• 14 de junio de 2026 18:47

I've set my ewon cosy up and connected through catcher. I can ping the S7-1500 but when I search for it in tia portal nothings found. I've even tried proneta to check network settings and that doesn't find anything either.

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  Jack O'Brien

  • 15 de junio de 2026 15:58

  Hi Mark,

  The discovery function doesn't work by default through the VPN. It's best to use the PLC's IP directly as shown here:

  Why can't TIA Portal find my PLC?

  You can also use the Ewon's built-in Profinet Explorer to check/set the network settings on the PLC.

  You can enable broadcast forwarding for the discovery function to work but it's not recommended since it can consume a lot of traffic and shouldn't be left on. There are instructions here if needed:

  The VPN traffic is too high, how can I reduce the number of GB used?

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