4 Product Overview
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 19
4 Product Overview
4.1 Device Configuration
It is possible to use and configure the Sunny Tripower X either as a System Manager or as a
subordinate inverter.
When using a Sunny Tripower X as System Manager, you can integrate up to four additional SMA
inverters and one SMA energy meter in a system.
Inverter as System Manager
If you configure the inverter as System Manager, the inverter as a higher-level device in conjunction
with an energy meter takes over the control at the point of interconnection and can receive control
signals. The inverter can control other subordinate devices, takes over the monitoring of the system
and the communication to the Sunny Portal powered by ennexOS.
Inverter as subordinate
If you configure the inverter as a subordinate device, it does not take over control. The subordinate
inverter receives specifications from the System Manager (e.g. an SMA Data Manager) and
implements them. Before a subordinate inverter can be recorded in a System Manager, you must
commission all subordinate devices.
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