9
FFiigguurree 22--44 Circuit Diagram (SG5.0RT for example)
• The DC switch is used to safely disconnect the DC circuit.
• The MPPT is utilized for DC input to ensure the maximum power from the PV array at
different PV input conditions.
• The inversion circuit converts the DC power into AC power and feeds the AC power
to the utility grid through the AC terminal.
• The protection circuit is equipped to ensure the safe operation of the device and
personal safety.
2.6 Function Description
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• Conversion function
The inverter converts the DC power from the PV array to the AC power, in conformity
with the grid requirements.
• Data storage
The inverter logs running information, error records, etc.
• Parameter configuration
The inverter provides various parameter configurations for optimal operation. You
can set the parameters via the iSolarCloud App or the cloud server, in case you
require further configuration, please contact Sungrow.
• Communication interface
The inverter is designed with two communication interfaces. The inverter can be
connected to communication devices via either of the two interfaces.
After communication connection is established, users can view inverter information
or set inverter parameters through the iSolarCloud.
It is recommended to use the communication module from SUNGROW.
Using a device from other companies may lead to communication failure
or other unexpected damage.
User Manual 2 Product Description
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