Controller RS485 relay via "Modbus Poll"

DEMO :  https://youtu.be/QN_S2Ff1y04

1 Connect the wires and power on

2 Set the IP address of the Ethernet port of the computer to "192.168.3.1"

3 Log in "192.168.3.7" on the browser

4 Switch the login interface to "ENGLISH"

5 Settings "Work mode":  -> TCP server ;

6 Settings "Local port":  -> 8887;

7 Settings "BaudRate":   ->9600;

8 Settings "MODBUS TCP to RTU":  -> Open;

9 Settings "MODBUS mode":  -> Simple;

10 Click "submit",  Enter in the pop-up dialog: 123456

11 Open Modbus Poll 

12 If you still cannot use it normally after setting the parameters, please restore the factory settings. and then reset the parameters