Connecting The Rs485 Communications Cable (Inverter Cascading) - Huawei SUN2000 Series User Manual

SUN2000-(8KTL-20KTL)-M2
User Manual
5.6.1 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.
Issue 01 (2020-07-02)
NO TE
● 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, the Smart Power Sensor is recommended to
be connected to a COM port separately from inverter COM port.
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5 Electrical Connections
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