SMA SC 500HE-US - Manual (Page 22)

3 Product Description SMA America, LLC
22 SC500HEUS-eng-BE-BUS120320 Operating Manual
Switch position "Stop"
If the stop/start switch is turned to "Stop" while the Sunny Central is in the operating state
"Grid monitoring", a motor drive opens the DC contactor. The Sunny Central switches to the operating
state "Stop".
If the stop/start switch is turned to "Stop" while the Sunny Central is in the operating state
"MPP load operation", the Sunny Central switches to the operating state "Shutdown". Once shutdown
is complete, the AC contactor and the DC contactor open automatically and the Sunny Central
switches to the operating state "Stop".
3.5 Sunny WebBox
The Sunny WebBox is a device that monitors and controls the inverter. The Sunny WebBox
establishes the connection between the PV plant and its operator.
Figure 5: Sunny WebBox in the Sunny Central
The Sunny WebBox collects all the data from connected devices. Using the Sunny WebBox, the
monitoring, parameterization, and remote diagnosis of the Sunny Central can be performed via a
computer. The operator can access all data stored in the Sunny WebBox via an Internet connection
or a GSM modem.
You can configure the settings of the Sunny WebBox in the web browser by entering the IP address
of the Sunny WebBox.
Communication type of the PV plant
The interface of the Sunny WebBox is set by default to "SMA-COM" and a 19 200 baud rate.
Do not modify these settings.