This Magelis STU small touchscreen operator interface (HMI) is supplied with 24V DC, has a 5.7" color TFT LCD display with, 320 x 240 pixels (QVGA) and 32MB EPROM. It also has 1 host + 1 mini-B USB ports, 1 RS232C / RS485 port and 1 Ethernet TCP/IP port. It is ideal for optimized information and communication with automation systems in industry and infrastructure such as compact machines, handling systems, food & beverage machines and pharmaceutical industry. The screen displays graphic pages with monochrome screen. Thanks to its fixing with a 22mm diameter hole, no panel rectangular cut-out is required. Its RS485 host port makes it ideal to supervise and control simple systems and machines. Specifications Main Range of Product Harmony STO & STU Product or Component Type Touch panel screen programming software Vijeo Designer operating system Harmony Processor name CPU ARM9 Complementary display size 5.7 inches display type QVGA TFT colour touchscreen display color 65536 colors display resolution 320 x 240 pixels QVGA touch display Analogue backlight life 50,000 hours with white brightness 16-level adjustment character font ASCII (European characters) Chinese (simplified Chinese) Korean Japanese (ANK, Kanji) Taiwanese (Traditional Chinese) [Us] supply voltage 24 V DC supply External source Supply voltage limits 20.4…28.8 V Inrush current 30 A power consumption 6.8 W number of pages Limited by internal memory capacity Processor frequency 333 MHz memory type Data backup 64 KB Application memory 16 MB integrated connection type 1 USB 2.0 type mini B 1 USB 2.0 type A COM1 serial link - female RJ45 - RS232C/RS485 <= 115.2 kbits/s) power supply - removable screw terminal block 1 Ethernet - RJ45 Realtime clock Access to the PLC real-time clock downloadable protocols Third-party protocols Modbus Modbus TCP/IP Uni-TE Fixing mode Ø 22 mm hole Enclosure material PC/PBT and PAA Marking With Schneider logo CE height 5.08 in (129.15 mm) Width 6.42 in (163 mm) Depth 2.22 in (56.5 mm)