4 Product overview
SMA Solar Technology AG
Operating manualEVC22-3AC-20-BE-en-1018
4 Product overview
4.1 Device function
You can use and configure the SMA eCharger on a stand-alone basis or in combination with Sunny
Home Manager 2.0.
You carry out the device configuration via the commissioning wizard.
The SMA eCharger must always be configured in the role of System
Manager in the commissioning wizard (regardless of which system
configuration is selected).
Charging station in secure power supply operation
If you configure the charging station as System Manager, the charging station takes over the
control at the point of interconnection and can receive control signals as a main device in
conjunction with an energy meter.
Note: In secure power supply operation, the scope of functionality is limited. Charging with surplus
PV energy or a specified target are not possible. If an energy meter is available and configured,
then blackout protection and unbalanced load control are active.
Charging station with Sunny Home Manager 2.0
When the charging station is used in combination with Sunny Home Manager 2.0 (System
Manager), the Sunny Home Manager 2.0 takes over control of the system.
Note: The SMA eCharger must be set up as System Manager because it includes a meter as a
subordinate device.
4.2 System Overview
4.2.1 SMA eCharger in secure power supply operation
SMA
ENERGY APP
SMA
360° APP
SUNNY PORTAL
powered by ennexOS
INTERNET
SMA
eCHARGER
UTILITY GRID
UTILITY METER
FOR BILLING
PURPOSES
ROUTER
Speedwire
COM
WLAN/WiFi
AC
DC
ENERGY
METER
(Optional)
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