4.4.4 Earth Fault Alarm
The inverter complies with IEC62109-2 13.9. When earth fault occurs, Buzzer in EzLogger Pro will
ring for 1 minute, and run LED will be lighting for 1 minute. The alarm will ring again every half an
hour unless the fault is resolved.
4.4.5 DRED
DRM function is achieved by Ezlogger Pro, and please connect the Ezlogger Pro through RS485
port. Please refer to Ezlogger Pro manual for detailed DRED connection.
4.4.6 Remote Shutdown
Step1:
Screw this plate off from the inverter.
RS485 communication cable for device at the end of daisy chain, rotate the terminal resistance
dial switch to ON state (The default state is OFF). Then make the shielding layer of communica-
tion line single-point grounding.
4.4.3 WiFi Communication
This function is only applicable for WiFi model inverter. Please refer to "Wi-Fi Configuration
Instruction" to complete WiFi configuration.
After the configurations are completed, please register on the website www.goodwe.com.
Please refer to WiFi app for specific configuration.
The WiFi module installation of MT series are shown as below.
Caution
Cable requirements of RS485 communication: Shielded twisted-pair cable or shielded
twisted-pair
Ethernet cable 120ohm termination resistor is controlled by dip switch. "ON" means connected,
and "OFF" means disconnected.
The terminal resistance dial switch is selected to be 120 ohms.
• When single inverter is in communication, rotate the terminal resistance dial switch to ON state
(The default state is OFF) which is next to the RS485 communication port of inverter, so that the
RS485 terminal is with 120ohm.Then make the shielding layer of munication line single-point
grounding.
If multiple inverters are in communication, connect all the inverters in a daisy chain through the
Step 2:
Put the cable through the plate, and connect
RS485 cable on the 6-pin terminal.
Advise to use cable 16AWG-26AWG.
123456
The
Insulator
Screw Cap
RS485
communication board Cable
Single hole
seal ring
NutLock
No.
1
2
3
4
5
6
Function
RS485+
RS485-
Reserved
Reserved
RS485+
RS485-
6.5mm
25mm
Step 3:
Connect the terminal to the right position onto the inverter.
Note: The termnial of different inverter model may locate in different place.
120ohm termination resistor dip switch
17 18
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