8 Operation
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 73
Requirement:
☐ The SMA Grid Guard code must be available to change network-relevant parameters after the
first 10hours of feed-in operation, or after completing the installation assistant. You can
request the SMA Grid Guard code via the Online Service Center.
Procedure:
1. Open the user interface (see Section8.2, page61).
2. Log in as Installer.
3. Select the menu User Settings (see Section8.4, page68) on the start page of the user
interface.
4. In the context menu, select [Starting the installation assistant].
☑ The installation assistant will open.
8.8 Activate WPS Function
The WPS function can be used for different purposes:
• Automatic connection to a network (e.g. via router)
• Direct connection between the product and a smart device
Depending on the intended application of the WPS function, the procedure for activation will vary.
Activating WPS function for automatic connection to a network
Requirements:
☐ WLAN must be activated in the product.
☐ WPS must be activated on the router.
Procedure:
1. Open the user interface (see Section8.2, page61).
2. Log in as Installer.
3. Start the installation assistant (see Section8.7, page72).
4. Select Network configuration.
5. Select WPS for WLAN network button in the WLAN tab.
6. Select Activate WPS.
7. Select Save and next and exit the installation assistant.
☑ The WPS function is activated and the automatic connection to the network can be
established.
Activating the WPS function for direct connection to the smart device.
• Activate the WPS function on the inverter. To do this, tap twice in succession on the enclosure
lid of the DC-Connection Unit next to the LEDs. The blue LED flashes quickly for approx. two
minutes. The WPS function is active during this time.