Parameters Of Lcd; Communication Parameters; Rs485 Serial Port Parameter Setting; Ethernet Parameter Setting - Sungrow SG1250UD Operation Manual

7 Parameters of LCD

7.1 Communication Parameters

Improper parameter configuration may affect the normal operation of the inverter!
Only authorized personnel can configure these parameters.

7.1.1 RS485 Serial Port Parameter Setting

There are the standard RS485 communication and Ethernet communication. The user can
set the communication address and protocol through the LCD screen when the hardware
connection is complete and the inverter is energized.
Proceed as follows to set the communication parameters:
Tap "Function" from the default menu.
Step 1
Tap "Setting".
Step 2
Tap "Communication parameter" after inputting the correct password to enter the
Step 3
communication parameter setting interface.
The parameters pertinent to RS485 serial port communication can be set according to the
parameter range shown on the display.
The device address is prescribed by the plant staff and the address for each inverter must
be unique when there is more than one inverter. The Baud rate and the communication
protocol are selected according to the communication method adopted.
Enter the device address with the aid of the pop-up keypad while selecting the Baud rate
and communication protocol through the pull-down list.

7.1.2 Ethernet Parameter Setting

Proceed as follows to set the Ethernet communication parameters.
Tap "Function" from the default menu.
Step 1
Tap "Setting".
Step 2
Tap "Communication parameter" after inputting the correct password to enter the
Step 3
communication parameter setting interface.
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