Schneider HMISTU855 Magelis STU Touch Panel 3.5in 65K Colour

The HMISTU855 is a Schneider Electric Harmony STU series 5.7-inch color touchscreen operator panel for machine-level HMI applications. It features a QVGA TFT display with 65,536 colors and 320 x 240 pixel resolution, driven by an ARM9 processor at 333 MHz. The panel is programmed with Vijeo Designer software and communicates via Modbus TCP/IP, Ethernet, RS232C/RS485 serial, and dual USB ports.

Technical specifications:

• Commercial reference: HMISTU855
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony STO & STU
• Product type: Touchscreen operator panel
• Programming software: Vijeo Designer
• Operating system: Harmony
• Processor: ARM9, 333 MHz
• Display size: 5.7 inches
• Display type: QVGA TFT color touchscreen (analog)
• Display colors: 65,536
• Resolution: 320 x 240 pixels (QVGA)
• Backlight lifetime: 50,000 hours
• Brightness levels: 16
• Application memory: 16 MB
• Data backup memory: 64 kB
• Rated supply voltage: 24 V DC (external supply)
• Supply voltage range: 20.4...28.8 V
• Inrush current: 30 A
• Power consumption: 6.8 W
• Connectivity: 1 x USB 2.0 mini B, 1 x USB 2.0 type A, COM1 serial RJ45 female RS232C/RS485 (up to 115.2 kbit/s), 1 x Ethernet (EcoStruxure EV Charging Expert), detachable screw terminal power connector
• Supported protocols: Modbus, Modbus TCP/IP, Uni-TE, third-party protocols
• Real-time clock: Via controller clock access
• Mounting: 22 mm panel cutout
• Housing material: PC/PBT and PAA
• Dimensions (W x H x D): 163 x 129.15 x 56.5 mm
• Weight: 867.9 g
• IP rating: IP65 front panel / IP20 rear panel per IEC 60529
• NEMA rating: NEMA 4X front panel (indoor use)
• Operating temperature: 0...50°C
• Storage temperature: -20...60°C
• Relative humidity: 0...85% non-condensing
• Operating altitude: up to 2000 m
• Shock resistance: 15 gn / 11 ms per IEC 60068-2-27
• Vibration resistance: +/-3.5 mm (5...9 Hz), 1 gn (9...150 Hz) per IEC 60068-2-6
• EMC immunity: 10 V/m per IEC 61000-4-3
• Micro-interruption resistance: 7 ms
• Certifications: cULus, UL Class 1 Div2 T4A/T5, C-Tick, Marine, UKCA, CE
• Standards: UL 508, UL 1604, FCC Class A, IEC 61000-6-2, IEC 61131-2
• Warranty: 18 months

Features and benefits:

• IP65-rated front panel and NEMA 4X rating provide reliable protection in demanding industrial environments
• Multi-language font support including ASCII, Simplified Chinese, Traditional Chinese, Japanese (ANK/Kanji), and Korean
• Dual USB ports (mini B and type A) enable easy program transfer and peripheral connectivity
• Modbus and Modbus TCP/IP protocol support ensures compatibility with a wide range of PLCs and field devices
• 50,000-hour backlight lifetime reduces maintenance requirements in continuous-operation installations
• UL Class 1 Div2 hazardous location certification for use in classified industrial areas

Applications:

• Machine-level operator interface panels in manufacturing and process automation
• Industrial control cabinets requiring a compact, panel-mounted HMI
• Multi-protocol communication nodes connecting Modbus RTU devices to Ethernet networks
• Hazardous location installations requiring UL Class 1 Div2 certification
• Marine and demanding indoor environments requiring NEMA 4X front panel protection

Compliant with UL 508, UL 1604, FCC Class A, IEC 61000-6-2, and IEC 61131-2. Part of the Schneider Electric Harmony STO & STU range.

Also known as: Schneider HMISTU855, Schneider Electric HMISTU855, Magelis STU HMI panel, Harmony STU touchscreen display.