Gateway IoT, for data acquisition, monitoring, and control of industrial machinery. The unit is equipped with the transmission module GSM/LTE. The device can be installed on DIN bar into a control panel and connects directly industrial machines (PLC) via CAN bus communication. The unit improves the capability and visibility of production processes, enables predictive maintenance of machines, allows power management monitoring and remote control. Data are available in a dedicated cloud platform and with a an user-friendly graphical interface is possible to store and visualize industrial machine activities.