Inverter
RS485
EzLogger Pro
RS485RS485
PC
Router
Internet
Inverter
Inverter
Please use special tools to do crimping
MC4 & QC4.10 DEVALAN & AMPHENOL
Do not crimp wire
into the limit buckle.
Negative connector
Positive connector
Inverter side
The installation method of DC connector.
In order to better dustproof and waterproof the internal inverter, all the DC connectors provided
by accessory bag should be connected to the inverter. If only some of the DC connectors are used,
the DC connectors without connection should be blocked with non-conductive insulator.
This function is only for local firmware upgrade and parameter calibration.
4.4.2 RS485 Communication
This function only applies to the inverter with RS485 ports.
The RS485 port of inverter is used to connect the EzLogger Pro, and the total length of connecting
cable should not exceed 1000m.
Communication lines must be separated from other power lines to prevent interference to the
communication. RS485 connection are shown as below.
Plug with PV waterproof plug
2. Insert the USB data cable
1. Open the bottom cover
4.3.5 DC Switch
The DC switch is designed to be able to safely disconnect the DC input if required.
The inverter works automatically when the input and output meet the requirements. Rotating
the DC switch to "OFF" position will immediately cut off the flow of DC current.
Rotate the DC switch to "ON" position before starting the inverter.
4.4 Communication Connection
Inverter operation data can be transferred by USB, RS485 or WIFI Module to a PC with monitoring
software or to a data logger device such as Ezlogger Pro. USB is only used for service debug;
RS485 is the standard communication choice for inverter, and WIFI modular can be used option-
ally for communication.
4.4.1 USB Connection
USB cable must be connected according to the following steps as shown below:
The connection steps of RS485 communication of MT series are as follows:
Step 1: Find the RS485 terminal and screw out the screw cap.
RS485 RS485
15 16
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