The HMISTO735 is a 4.3-inch widescreen color touch operator panel from the Schneider Electric Harmony STO and STU range, designed for machine visualization and process control applications. It features a TFT LCD display with 65,536 colors and 480 x 272 pixel resolution, powered from 12-24 V DC and configured using EcoStruxure Operator Terminal Expert software.

Technical specifications:

• Commercial reference: HMISTO735
• Manufacturer: Schneider Electric
• EAN: 3606480920912
• Series / range: Harmony STO and STU
• Product type: Touch screen operator panel
• Display size: 4.3 inch
• Display type: TFT LCD color
• Display colors: 65,536
• Display resolution: 480 x 272 pixels
• Touch type: Analog
• Backlight life: 50,000 hours (white)
• Brightness levels: 16 (adjustable via touch panel)
• Rated supply voltage: 12-24 V DC
• Power consumption: 8.1 W
• Application memory: 26 MB
• Data backup memory: 512 kB
• Number of pages: 8,999
• Ethernet port: 10BASE-T/100BASE-TX
• Interfaces: 1 x USB 2.0 Type A, 1 x USB 2.0 Mini-B, 1 x Ethernet TCP/IP RJ45
• Supported protocols: Modbus TCP, Modbus, third-party protocols
• PLC compatibility: Omron, Mitsubishi, Siemens, Allen-Bradley
• Real-time clock: Optional (with RTC battery set)
• Panel cutout: 77.5 x 112.5 mm (66 x 105 mm with mounting adaptor)
• Mounting: 2 installation fasteners, panel thickness 1.5-6 mm
• Housing material: PPT
• Weight: 0.22 kg
• IP protection: IP65 (front panel), IP20 (rear panel)
• NEMA rating: NEMA 4X/13 front panel (indoor use)
• Operating temperature: 0-50C
• Storage temperature: -20-60C
• Relative humidity: 10-90% (no condensation)
• Operating altitude: up to 2,000 m
• Certifications: CE, C-Tick, ATEX Zone 2/22, KCC, UL, cUL, UKCA

Features and benefits:

• Wide TFT LCD with 65,536 colors provides clear visualization of process data and alarms
• Multi-language font support including ASCII, Cyrillic, Simplified and Traditional Chinese, Japanese, and Korean
• Dual USB ports and Ethernet RJ45 enable flexible connectivity to PLCs and automation networks
• Loadable third-party protocols allow integration with Omron, Mitsubishi, Siemens, and Allen-Bradley controllers
• IP65-rated and NEMA 4X/13 front panel protection suited to industrial panel mounting

Applications:

• Machine operator interfaces on industrial automation panels
• Process monitoring and control in manufacturing environments
• Multi-brand PLC system visualization using Modbus TCP or third-party protocols
• Light industrial installations requiring ATEX Zone 2/22 certification

Compliant with EN 61131-2, EN 61000-6-2, EN 61000-6-4, UL 61010-1, UL 61010-2-201, CSA C22.2 No 142, CSA C22.2 No 213, and ANSI/ISA 12.12.01. Part of the Schneider Electric Harmony STO and STU range.

Also known as: Schneider HMISTO735, Schneider Electric HMISTO735, Schneider Harmony HMI touch panel, Magelis STO operator panel.