Schneider HMIG3U Harmony GTU Premium Box Base Unit

Schneider Electric Harmony GTU HMIG3U is a premium box base unit for universal display panels, serving as the processing and communication core for modular HMI systems. Equipped with 256 MB RAM, 512 KB NVRAM, and 1 GB pre‑installed SD card. Designed for building advanced HMI systems with Magelis GTU display panels in industrial automation and OEM environments.

Applications:

• Machine HMI and operator interface

• Modular SCADA display systems

• Process control panels with multiple communication protocols

• OEM equipment requiring modular, rear‑mount HMI design

Core Specifications:

• Product type: Premium box base unit

• Supply voltage: 12…24 V DC

• Processor: ARM Cortex‑A9 RISC CPU, 600 MHz

• Memory: 256 MB RAM, 512 KB NVRAM backup memory, 1 GB pre‑installed SD card

• SD card slots: 2 (system + storage)

• Communication interfaces:

  • Ethernet TCP/IP: 2 × RJ45 (10BASE‑T/100BASE‑TX/1000BASE‑T)

  • COM1 serial: RJ45 RS485 (110…187.5 kbit/s)

  • COM2 serial: SUB‑D 9 RS232C/RS422/RS485 (110…187.5 kbit/s)

  • USB 2.0: 2 × host (type A), 1 × mini‑B

• Communication protocols: Modbus, Modbus TCP/IP, Uni‑Telway

• Cooling: Natural convection

• Protection rating: IP20

• Dimensions (W × H × D): 188 × 131 × 45 mm

• Weight: approx. 0.9 kg

Advanced Specifications:

• Power consumption: Max 25 W (Box Module)

• Operating temperature: 0…60 °C

• Storage temperature: -20…60 °C

• Relative humidity: 10…90 % non‑condensing

• Operating altitude: up to 2000 m

• Vibration resistance: 3.5 mm constant amplitude (5…9 Hz), 9.8 m/s² (9…150 Hz)

• Shock resistance: 15 gn for 11 ms

System Integration:

• This base unit belongs to the Schneider Electric Harmony GTU series.

• Designed to pair with Magelis GTU universal display panels (rear‑mount) via a lock button mechanism.

• Programming and configuration performed using Vijeo Designer software.

Related Products (upgrade path):

• Lower tier → HMIG2U (Standard Box, lower performance)

• Current model → HMIG3U (Premium Box, 1 GB SD card pre‑installed)

• Higher tier → HMIG5U / HMIG5U2 (Open Box, higher performance)

• Accessory → HMIZSD1GS (1 GB SD memory cartridge for spare/replacement)