Schneider HMISTU855 Harmony STU 5.7" Colour Touch Panel HMI

Schneider Electric Harmony STU is a 5.7-inch colour touch panel HMI for small to medium industrial automation and OEM machine applications. Part of the Magelis STO & STU series, it is designed for system visualisation, operator control, and data monitoring. Programming is performed via Vijeo Designer software.

Applications:

• Compact machine control and monitoring

• OEM equipment HMI

• Automated production lines

• Industrial machinery and process control

Technical Specifications:

• Product type: Touch panel human‑machine interface (HMI)

• Display size: 5.7" QVGA TFT colour touchscreen

• Display colour: 65,536 colours

• Display resolution: 320 × 240 pixels

• Touch panel: Analogue resistive

• Processor: ARM9, 333 MHz

• Memory: 16 MB application memory, 64 kB backup data

• Backlight life span: 50,000 hours

• Brightness adjustment: 16 levels

• Supply voltage: 24 V DC (external source), limits 20.4…28.8 V

• Power consumption: 6.8 W

• Inrush current: 30 A

• Communication interfaces: 1 × Ethernet (RJ45), 1 × COM1 serial link (RJ45, RS232C/RS485, ≤115.2 kbit/s), 2 × USB 2.0 (type mini B, type A)

• Integrated connection type: Removable screw terminal block (power supply)

• Mounting: Ø 22 mm hole (push‑button style, no rectangular cut‑out required)

• Enclosure material: PC/PBT and PAA

• Marking: With Schneider logo, CE

• Protection rating: IP65 (front panel, IEC 60529), IP20 (rear panel, IEC 60529)

• NEMA rating: NEMA 4X (front panel, indoor use)

• Operating temperature: 0…50 °C

• Storage temperature: -20…60 °C

• Relative humidity: 0…85 % without condensation

• Operating altitude: ≤ 2000 m

• Shock resistance: 15 gn for 11 ms (IEC 60068‑2‑27)

• Vibration resistance: ±3.5 mm at 5…9 Hz, 1 gn at 9…150 Hz (IEC 60068‑2‑6)

• Immunity to microbreaks: 7 ms

• Standards compliance information available in manufacturer documentation

System Integration:

• This terminal belongs to the Schneider Electric Harmony STO & STU series.

• Programming and configuration are performed using Vijeo Designer software.

• Supports downloadable protocols including Modbus, Modbus TCP/IP, Uni‑TE, and third‑party protocols.

• Realtime clock provides access to PLC real‑time clock.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• HMISTU655 – 3.5" version of STU touch panel

• HMISTU855W – Same unit without Schneider logo on overlay

• HMISTO series – Ultra‑compact basic touchscreen HMI for simple applications