5.7.4 Connecting RS485 Communications Cables (Power Meter
and Battery)
Cable Connections
The following gure shows the cable connections between the inverter and the
DDSU666-H power meter.
Figure 5-28 Connecting cables to the DDSU666-H power meter
● The power meter and the Smart Dongle must be connected to the same inverter.
● Retain the default baud rates for the DDSU666-H and YDS70-C16 power meters. If they
are changed, the power meters may go oine, generate alarms, or aect the inverter
output power.
● The preceding networking uses DDSU666-H as an example. Cable connections for other
meter models may vary.
SUN2000-(8K, 10K)-LC0 Series
User Manual 5 Electrical Connections
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 66