1. Main Specifications| Product Series | Harmony STO & STU | | Product Type | Touchscreen | | Display Type | QVGA TFT Color Touchscreen | | Display Colors | 65,536 colors | | Display Resolution | 320 x 240 pixels QVGA | | Display Size | 5.7 Inches |
2. Key Selling PointsHigh-performance color touchscreen HMI:The HMISTU855 is a 7-inch color touchscreen HMI with high
resolution, designed for mid-to-high-end automation machines,
offering smooth operation and rich graphical visualization. Large, high-definition display:Features a 7-inch TFT LCD color screen with 800 × 480 pixels (WVGA) resolution and 65,536-color support—delivering sharp, clear visuals ideal for
complex process monitoring. Industrial-grade robust design:Front panel rated at IP65 for dust and water resistance; suitable for external mounting.
Operates reliably from -10°C to +50°C in harsh industrial
environments. Programmable with EcoStruxure™ Machine Expert Basic:Configured using free EcoStruxure Machine Expert Basic software, supporting drag-and-drop screen design, alarm handling,
data logging, recipe management, and trend graphs—accelerating
development. Comprehensive local functionality:Supports multi-language switching (including Chinese),
password-based user levels, SD card expansion (for backup/data
export), event logging, and historical data storage—meeting on-site
operational needs. Compact and easy to install:Standard cutout size (192×139 mm), flush-mount design saves panel
space and simplifies integration into various machine types.
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