Establishing a Direct Connection via Ethernet


  • The product must be commissioned.

  • An end device (e.g. computer) with an Ethernet interface must be available.

  • The product must be connected directly to the end device.

  • The respective latest version of one of the following web browsers must be installed: Chrome, Edge, Firefox, Internet Explorer or Safari.

  • The SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten feed-in hours or installation assistant (see "Application for SMA Grid Guard Code" at


  1. Tap on the enclosure lid of the Connection Unit and continue to switch up to the message E-IP:
  2. Read off the displayed IP address for the direct connection via Ethernet and either remember it or write it down.
  3. Open the web browser of your device, enter the IP address in the address line of the web browser and press the enter key.
  4. Web browser signals a security vulnerability

    After the IP address has been confirmed by pressing the enter key, a message might appear indicating that the connection to the user interface of the inverter is not secure. SMA Solar Technology AG guarantees that calling up the user interface is secure.

    1. Continue loading the user interface.
  • The login page of the user interface opens.