Huawei SUN2000-33KTL - Supported Power Grids

No.
Color
Pin Definition
1
White
-orange
RS485A, RS485 differential signal +
2
Orange
RS485B, RS485
differential signal –
3
White
-green
PGND
4
Blue
RS485A, RS485
differential signal +
5
White
-blue
RS485B, RS485
differential signal –
6
Green
PGND
7
White
-brown
PGND
8
Brown
PGND
1. Insert the wires of the network cable to
the RJ45 connector in sequence.
Method 2: Connecting to RJ45 ports
You are recommended to use a shielded
RJ45 connector and a CAT 5E outdoor
shielded network cable with an outer
diameter less than 9 mm and internal
resistance not greater than 1.5 ohms/10 m.
2. Crimp the connectors using a crimping tool.
10
3. Remove the locking cap from the COM1 waterproof cable connector at the inverter bottom and
remove the plug from the locking cap.
4. Route the cables through the locking cap and the COM1 connector at the inverter bottom.
5. Connect the RJ45 connectors to the RS485 IN and
RS485 OUT ports in the SUN2000 maintenance area.
7. Use a torque wrench with an open end of 33 mm to tighten the locking cap to a torque of 7.5
N·m, and seal the waterproof connector.
6. Bind the RS485 communications
cables.