DG-HMI70-10 - 7" Wireless Railway HMI

DG-HMI70-10 is a rugged purpose-built highly integrated HMI computer for tram and train installtions. The DG-HMI70-10 combines a low power 6-core 64-bit ARM CPU with a 7" Widescreen PCAP TFT display. The high performance RK3399 Linux application processor includes a HW graphics accelerator, which reduces system GUI response times. The PCAP touchscreen includes a dedicated display area as well as four illuminated shortcut keys, which the touchscreen controller maps to standard keyboard F1-F4 function keys. Extensive QT software tooling and middleware software is available accelerating software development.

Integration with train systems can use Ethernet, RS-485 or MVB. The DG-HMI70-10 is suitable for modernisation and upgrade programs as a master controler or gateway in PIS, diagnostics or other operative onboard applications.

The Duragon DH-HMI70-10 HMI computer can be powered directly from the 110VDC power rail of the train. A proprietary multi-stage protection and filtering circuitry is designed to exceed the requirements of EMC and immunity standards. This proprietary power supply design is compliant to EN60950-1.

Duragon Systems can provide customization services, which can include engineering, production and certification. Available are different interfaces, mechanical mounting structures as well as enclosure or connector solutions. The PCAP glass can include customer's LOGO laminated into the internal layers. Contact Duragon for details on labelling customisation options.

  • Active matrix 7" color TFT, LED backlight
  • Resolution 800 x 480
  • Brightness 500nits, contrast 600:1
  • High sensitivity PCAP touchscreen, 4x PCAP shortcut keys
  • 6-core 2GHz RK3399 ARM multimedia processor, 2GB DDRL RAM, 16GB eMMC Flash, SD-slot
  • Internal Wireless Interfaces:
    • 3G/LTE CAT1 modem with multiplexed eSIM and uSIM
    • 802.11 n/ac WiFi, Optional Bluetooth 4.0
    • GNSS receiver with GPS/GLONASS/IRNSS constellation support
  • Optional DUAGON MVB interface (ESD+ and EMD)
  • 10/100/1000Mbit Ethernet, RS-485, Service USB
  • 110VDC isolated power supply
  • IP65/52, operating temperature -25 to 55°C
  • Dynamic Route Map Display Master Controller
  • Announcement and LED PIS Upgrades and Modernisation


  • 6-core 64-bit Linux ARM SOC application processor
  • 2GB DRAM, 16GB eMMC Flash disk
  • SD-slot for storage expansion


  • 7" active matrix color TFT
  • Resolution 800 x 460
  • Active viewing area 152.4 x 91.44mm
  • High sensitivity PCAP touchscreen
  • 4x backlit PCAP function keys
  • LED display backlight with SW control
  • Brightness 500cd/m2
  • Viewing angle 178(H) / 178(V)
  • Response time 5ms


  • 10/100/1000Mbit Ethernet
  • USB under service panel
  • RS-485 interface


  • 3G/LTE CAT 4 modem with eSIM and
    uSIM card slot
  • 802.11n WiFi
  • GNSS receiver with GPS, GLONASS and
    IRNSS support, antenna diagnostics


  • Bluetooth 4.0
  • MVB interface (ESD+ or EMD)


  • CNC cut aluminum frame enclosure
  • Rear side service panel
  • Connectors: D-Coded M12 and
    A-coded M12, DB9(MVB), SMA(Wireless)


  • 110VDC nominal (43 to +160Vdc)
  • Isolation 1500V
  • 12W typical power consumption


  • 224mm(W) x 124mm(H) x 27mm(D)
  • Connector space 27mm


  • 2,1Kg


  • Operating: -25° to +55°C
  • Storage: -40° to +85°C


  • 95% at 45°C non-condensing


  • IP65, front face
  • IP52, rear side
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