With the rise of Industry 4.0, collaborative operations between different devices have also become widespread. How to realize the communication control between the inverter and the third-party control system such as PLC has also become a subject that every industrial control staff has to face. This set of video tutorials, through theoretical explanations and physical demonstrations, starts from the basics and analyzes the principle, wiring and control programming of modebus communication control point by point. This tutorial can be described as a sharp edge to overcome the problem of inverter control. With a sharp blade in hand, you can do everything you can!