Function Description - Sungrow SG33CX User Manual

User Manual

2.4 Function Description

The inverter is equipped with the following functions:

Inversion function
The inverter converts the DC current into grid-compatible AC current and feeds
the AC current into the grid.

Data storage
The inverter stores the running information, fault records, etc.

Parameter Configuration
The inverter provides various parameter settings. You can set the parameters
via the phone's APP to change the requirements of the device or optimize the
performance of the device.

Communication Interface
The inverter is designed with standard RS485 communication interfaces and
communication accessory port.
− The standard RS485 communication interfaces are used to establish
communication
monitoring data to background by using communication cables.
− The communication accessory port is used to connect communication
module manufactured by SUNGROW such as Eye and WiFi, and upload
monitoring data to background by means of wireless communication such
as Bluetooth, WiFi or wireless network.
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 produced by
SUNGROW, such as Eye, WiFi, or E-Net. A third-party
communication device may cause communication failure or even
unpredictable damage.
 The RS485 communication interfaces and the communication
accessory port are not available at the same time. Otherwise,
communication failure or other problems can be caused.

Protection Function
The protective functions are integrated in the inverter, including anti-island
protection, LVRT/ZVRT, DC reversed polarity protection, AC short circuit
protection, leakage current protection, DC overvoltage/overcurrent protection,
etc.
connection with monitoring devices
2 Product Introduction
and upload
9