daviteq WS433-O2 User Manual page 8

Step 2: Open Modbus tool on PC
You can download Daviteq Modbus Configuration Tool with the following link:
https://filerun.daviteq.com/wl/?id=qK0PGNbY1g1fuxTqbFW9SXtEvCw7bpc6
Template File: https://filerun.daviteq.com/wl/?id=ItFaeQgtCmXN98J7GaPdeZvKK5eS1Dd1
How to use the Modbus configuration software
Unzip file and run file application "Daviteq Modbus Configuration Tool Version"
Choose COM Port (the Port which is USB cable plugged in)
Set the BaudRate: 9600, Parity: none