● In the SmartLogger networking scenario, the Smart Dongle cannot be connected.
● A maximum of 80 devices can connect to a single SmartLogger, such as inverters,
Smart Power sensor, and EMI. You are advised to connect fewer than 30 devices to
each RS485 route.
● The Smart Power Sensor is necessary for export limitation. Select the Smart Power
Sensor according to the actual project.
● To ensure the system response speed, you can connect the Smart Power Sensor to
a separate COM port.
5.7.1 Connecting the RS485 Communications Cable (Inverter
Cascading)
Procedure
Step 1 Connect the signal cable to the signal cable connector.
Figure 5-20 Installing the cable
Step 2 Connect the signal cable connector to the COM port.
SUN2000-(8KTL-20KTL)-M2
User Manual 5 Electrical Connections
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 56