HMI Schneider electric easy to install, to set up and to operate, Schneider Electric’s Human Machine Interfaces (HMI) provide a simple and effective means of connecting systems, collecting data and presenting information in a meaningful format. From the smallest text display to the most sophisticated industrial PC, Schneider Electric’s HMI gives you a clear window into your operations. Not only lets you know when all systems are good but more importantly, it helps keep them that way.