SMA STP 50-40 - 8 Operation; 8.2 Establishing a connection to the user interface

8 Operation
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 61
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-
ConnectionUnit.
Procedure:
1. Activate the display. Tap on the enclosure lid of the DC-ConnectionUnit once.
☑ The backlight is switched on.
2. To move to the next message, tap on the enclosure lid of the DC-ConnectionUnit 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.
☐ A smart device (e.g. laptop) with an Ethernet interface must be available.
☐ The product must be connected directly to the smart device.
☐ The respective latest version of one of the following web browsers must be installed on the
smart device: Chrome, Edge, Firefox or Safari.
☐ The installer's SMA Grid Guard code must be available to change network-relevant settings
after the first 10 hours of feed-in operation, or after completing the installation assistant. You
can request the SMA Grid Guard code via the Online Service Center.
☐ JavaScript must be enabled in the web browser of the smart device.
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 smart device and enter the IP address 169.254.12.3 in the
address bar.
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.
8.2.2 Establishing a direct connection via WLAN
You have several options to connect the product to a smart device. The procedure can be different
depending on the devices. If the procedures described do not apply to your device, establish the
direct connection via Wi-Fi as described in the manual of your device.