Schneider Electric HMISTU655 HMI Touch Screen

Schneider Electric HMISTU655 is a compact 3.5-inch color touch-panel HMI from the Magelis STU line, designed for small-panel industrial control applications. It uses a 3.5-inch color TFT LCD display with a 320 × 240 (QVGA) resolution and is powered by 24 V DC, with 32 MB of EPROM storage for project data. Connectivity includes a USB host port and a USB Mini-B port for data transfer, plus RS-232C/RS-485 serial communication, enabling reliable integration with Schneider Electric PLCs and other compatible devices in factory automation. The HMISTU655 is intended for panel mounting with a 22 mm diameter cutout and is documented in Schneider's Harmony STO/STU catalog as a compact color HMI option for small-form-factor operator interface needs.