8 Operation
SMA Solar Technology AG
Operating manualSTP50-40-BE-en-1556
8 Operation
8.1 Activating and Operating the Display
You can activate and operate the display by tapping on the enclosure lid of the DC-
ConnectionUnit.
Procedure:
1. Activate the display. Tap on the enclosure lid of the DC-ConnectionUnit once.
☑ The backlight is switched on.
2. To move to the next message, tap on the enclosure lid of the DC-ConnectionUnit once.
8.2 Establishing a connection to the user interface
8.2.1 Establishing a Direct Connection via Ethernet
Requirements:
☐ 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 SMAGridGuard Code" at www.SMA-Solar.com).
IP address of the inverter
• Standard inverter IP address for the direct connection via Ethernet: 169.254.12.3
Procedure:
1. Open the web browser of your end device, enter the IP address 169.254.12.3 in the address
bar and press the enter key.
2.
Web browser signals a security vulnerability
After the IP address has been entered, a message might appear indicating that the
connection to the user interface of the product is not secure. SMA Solar Technology AG
guarantees the security of the user interface.
• Continue loading the user interface.
☑ The login page of the user interface opens.