Huawei SUN2000-(3KTL-12KTL)-M0 Quick Manual page 12

Smart Dongle Networking
•
The Smart Power Sensor is optional. The recommended Smart Power Sensor model is
DTSU666-H (purchased from Huawei).
•
A maximum of five SUN2000-(3KTL-12KTL)-M0 inverters can be cascaded. When cascading
the inverters, the RS485 cable can only be connected to 485A1 and 485B1.
•
The Smart Dongle can be connected to any inverter on the link. When a Smart Power Sensor is
required, it must be connected to the same inverter as the Smart Dongle, and the signal cable
of the Smart Power Sensor must be connected to 485A2 and 485B2.
•
Only one device can be connected to the GPRS Smart Dongle.
•
Two types of 4G Smart Dongles are available, connecting a maximum of two and ten devices
respectively.
•
A maximum of ten devices can be connected to the WLAN Smart Dongle.
•
If a grid scheduling device needs to be connected to the link, it must be connected to the same
inverter as the Smart Dongle.
SmartLogger Networking
•
The Smart Power Sensor is optional. The recommended Smart Power Sensor model is
DTSU666-H (purchased from Huawei). To ensure the system response speed, the Smart
Power Sensor is recommended to be connected to a COM port separately.
•
A maximum of five SUN2000-(3KTL-12KTL)-M0 inverters can be cascaded.
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