Schneider Electric – HMISTO705 – Magelis STO 4.3″ TFT Touchscreen HMI, 12–24 VDC

The Schneider Electric HMISTO705 is a compact Magelis STO series human-machine interface featuring a 4.3″ color TFT LCD (480×272) ideal for machine and process control. It offers a broad DC power range, versatile communication ports, and industrial-grade design—ideal for OEMs and panel builders needing efficient HMI solutions in small-form-factor applications.

Key Features:

• Model: HMISTO705 (Magelis STO)  

• Display: 4.3” color TFT LCD, 480×272 resolution  

• Power Supply: 12–24 V DC (max 7.5 W)  

• Memory: 26 MB application memory, 512 kB data backup  

• I/O Ports:

  • RS‑232C / RS‑485 terminal block

  • USB Type A and mini‑B ports  

• Mounting: Panel mount with two fasteners; rear IP20 protection, front rated IP65

• Operating Temperature: 0–50 °C

• Communications: Standard Modbus RTU via RS‑485, USB for direct programming

• Standards & Certifications: UL 61010, EN 61131‑2, IEC 61000‑6‑2/6‑4; ATEX Zone 2/22 compliant; CE, RoHS  

• Environmental & Mechanical:

  • Vibration: 1 g (5–150 Hz); Shock: 70 g  

  • Dimensions: 124.9 × 90.4 × 38.8 mm; weight ~0.22 kg

  • Memory retention via RTC battery (optional)