4 Operation
SMA Solar Technology AG
User Manual STP33-62-US-41-BA-en-11 21
4 Operation
4.1 Establishing a connection to the user interface
4.1.1 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 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.
4.1.2 Establishing a direct connection via WLAN
You have several options to connect the product to an end device. The procedure can be different
depending on the end devices. If the procedures described do not apply to your end device,
establish the direct connection via Wi-Fi as described in the manual of your end device.
The following connection options ar available:
• Connection with WPS
• Connection with Wi-Fi network search
Requirements:
☐ The product must be commissioned.
☐ An end device (e.g. computer, tablet PC or smartphone) must be available.
☐ The respective latest version of one of the following web browsers must be installed: Chrome,
Edge, Firefox or Safari.
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