HMIG3U Harmony GTU Premium Box Base Unit 1GB SD | Schneider Electric

The Original New Schneider Electric HMIG3U is a premium box base unit for the Magelis Harmony GTU series, engineered to pair with universal display panels for building advanced, modular HMI systems. Featuring a high-performance ARM Cortex-A9 RISC CPU, 256 MB RAM, and a pre-installed 1 GB SD card, it delivers fast, responsive visualization and control for complex industrial applications. With comprehensive connectivity including Gigabit Ethernet, dual serial ports, and multiple USB ports, the HMIG3U provides a flexible, scalable platform for operator interface and machine control.

Core Engineering Highlights:
ARM Cortex-A9 RISC CPU @ 600 MHz| 256 MB RAM + 512 KB NVRAM | 1 GB pre-installed SD card + second SD card slot | 2 x Gigabit Ethernet ports (10/100/1000BASE-T) | 2 x RS485 serial ports (1 RJ45, 1 terminal) + 1 x RS232C/RS422/RS485 (SUB-D 9) | 3 x USB 2.0 ports (2 Type A + 1 Mini-B) | 12-24V DC power supply | IP20 | 0.9 kg | 188 x 131 x 45 mm | 0°C to +60°C operating temperature | Natural convection cooling

Key Features:

• Original New Schneider Electric HMIG3U base unit

• Premium box base unit for Harmony GTU series universal display panels

• High-performance ARM Cortex-A9 RISC CPU at 600 MHz for low-latency display and automation

• 256 MB RAM internal memory and 512 KB NVRAM backup memory

• 1 GB SD card pre-installed; second SD card slot for expansion

• Dual Gigabit Ethernet ports (10/100/1000BASE-T) for high-speed networking and redundant connectivity

• Three serial ports: 1 x RS485 (RJ45), 1 x RS485 (terminal), 1 x RS232C/RS422/RS485 (SUB-D 9)

• Three USB 2.0 ports: 2 x Type A host ports + 1 x Mini-B device port

• Supports Modbus, Modbus TCP/IP, and Uni-Telway communication protocols

• Lock button for secure attachment of box module to display panel

• Status LED for indicating terminal's operating mode

• Natural convection cooling — no fans required

• Wide operating temperature range: 0°C to 60°C

• Vijeo Designer configuration software

• Green Premium product with 1,293 kg CO₂ eq lifecycle carbon footprint

Applications:

• Advanced HMI systems for machine and process control

• Industrial automation operator interface

• Production line visualization and monitoring

• Packaging machinery and material handling equipment

• Building automation and infrastructure monitoring

• SCADA system integration

• Multi-panel modular HMI installations

Technical Specifications:

Communication Interfaces:

Communication Protocols:

• Modbus

• Modbus TCP/IP

• Uni-Telway

Electrical & Physical:

Environmental Specifications:

Certifications:
CE, CULus, ATEX, IECEx, RCM, GL, KC, EAC, ABS, BV, CCS, DNV, LR, RINA, UKCA, UKEX

System Compatibility:

• Schneider Electric Magelis GTU universal display panels

• Vijeo Designer configuration software (runtime included)

• Modbus and Modbus TCP/IP networks

• Uni-Telway communication networks

Related Products:

• HMIG5U – Open box base unit (higher performance)

• HMIG3X – Premium box base unit (conformal coated version)

• HMIDT series – Universal display panels for Harmony GTU

• Vijeo Designer – Configuration software for Harmony GTU series

• SD card – Additional storage for data logging and application expansion

• HMIZSD1GS – 1 GB SD memory cartridge spare part

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. All products are factory sealed when applicable and undergo quality inspection prior to shipment. Schneider Electric, Magelis, Harmony, and EcoStruxure are trademarks of Schneider Electric SE.