Schneider HMIG3U Base Unit

Overview

The Schneider HMIG3U is a premium base unit from the Harmony GTU series. It acts as the processing and communication core for modular HMI terminals. The unit supports dual Ethernet ports, multiple serial interfaces, and USB connections. Its modular design allows fast installation and easy maintenance. The HMIG3U works seamlessly with Harmony GTU display modules and EcoStruxure Operator Terminal Expert software. It features natural convection cooling, a wide operating temperature range, and a status LED for monitoring the unit.

Technical Specifications

• Model: HMIG3U

• Series: Harmony GTU

• Type: Base Unit

• Processor: ARM Cortex-A9, high-performance RISC CPU

• RAM: 256 MB internal memory

• Backup Memory: 512 KB NVRAM

• Storage: 1 GB SD card, 2 SD card slots

• Power Supply: 12–24 V DC

• Cooling: Natural convection

• Ethernet Ports: 2 RJ45, 10/100/1000BASE-T

• Serial Ports: COM1 RJ45 RS485, COM2 SUB-D9 RS232C/RS422/RS485

• USB Ports: 2 USB Type A, 1 mini-B USB

• Communication Protocols: Modbus, Modbus TCP/IP, Uni-Telway

• Expansion: Fieldbus card support

• Dimensions: Width 188 mm, Height 131 mm, Depth 45 mm

• Weight: 0.9 kg

• Operating Temperature: 0–60 °C (32–140 °F)

• Storage Temperature: -20–60 °C (-4–140 °F)

• Humidity: 10–90% non-condensing

• Altitude: Up to 2000 m (6561.68 ft)

• Vibration Resistance: 3.5 mm (5–9 Hz), 9.8 m/s² (9–150 Hz)

• Standards: CSA C22.2 No 142, ANSI/ISA 12-12-01, UL 508, IEC 61131-2