Communication Connection - Goodwe NS Series User Manual

4.4 Communication Connection

4.4.1 USB Connection
USB interface is only used for after-sales service team to repair inverter, Not allowed for any other
purposes.
Step 1: Screw this plate off from inverter.
Step.2: Insert the USB data cable
4.4.2 RS485 Communication
This function is only applied to inverters with RS485.
The RS485 interface us used to connect EzLogger Pro and the maximum total length of all
connecting cables should not exceed 800m.
Communication lines must be separated from other power lines to prevent interference to the
communication. RS485 connection are shown as below.
Inverter Inverter
Inverter
RS485 RS485
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Internet
EzLogger Pro
Router
PC
RS485
Please follow the steps below to complete RS485 communication connection.
Step 1: Screw this plate off from inverter.
Step 2:
Put the cable through the plate, and connect
RS485 cable on the 6-pin terminal.
Advise to use cable 16AWG-26AWG.
No. Function
1 RS485+
2 RS485-
3 Reserved
6.5mm
4 Reserved
5 RS485+
6 RS485- 25mm
Step 3: Connect the terminal to the right position onto the inverter and screw the plate.
Connect the inverter to Ezlogger Pro through communication cables of RS485.Connect the
Ezlogger Pro to the interchanger or the router through UTP (Unshielded Twisted Pair).
4.4.3 Wi-Fi Communication
The Wi-Fi Communication function is only applied for WIFi Module, for detailed configuration
instruction refer to "Wi-Fi Configuration Instruction" in the accessory box.
RS485 Single hole
communication board seal ring Cable
The
Lock Nut Insulator Screw Cap
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