HMI Controller Magelis SCU Small. HMI Controller Magelis HMI SCU for controlling simple machines. HMI controller with touch screen. Display type 3.5-inch QVGA color TFT, integrated 8 digital inputs/8 digital outputs/4 analog inputs/2 analog outputs, Ethernet RJ45 1, interfaces 2 USB, 1 COM, 1 CANopen, memory 128 MB, no SD card slot. Mounting system for a 22 mm wide hole, power supply and I/O connector, locking mechanism for USB connector. Instruction sheet included with the terminals. The commissioning guide for the Magelis HMISCU controllers is provided as a file along with the SoMachine software.