Based on basic function of HMI, ig HMI is a new IoT HMI which could be connected with V-NET. HMI project could be programmed by PIStudio, including general HMI functions. At the same time, ig HMI can also be connected to V-NET after configurating locally. Users can manage ig HMI and V-BOX indiscriminately through V-NET. In this way, it could use V-NET functions such as: Device Management, Alarm Notify, Data Record on cloud, Cloud SCADA, APP, etc.