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Harmony STO & STU

Small Touchscreen HMI

Part of Harmony

Harmony STO and STU are a range of compact HMI that are a cost-effective solution for machine builders - formerly known as Magelis STO and Magelis STU

Harmony STO & STU
  • Features

    Harmony HMI STO is an ultra-compact basic touchschreen HMI. Despite its small size, it is packed with features. It is a great fit for simple applications.
    • 3.4" monochrome display with tri-color backlight for status notification
    • Available with serial or Ethernet communications
    • Spring clip mounting with no tools
    • Harmony HMI STU with its modular design saves installation time due to the innovative mounting via 22mm hole. It is a great fit for machine builders.
    • Choice of 3.5" or 5.7" color display
    • Built-in communications include serial, Ethernet and USB
    • Mount via a 22mm hole, no need to make a rectangular cut-out


    • Easy installation
    • Designed for demanding industrial applications
    • Powerful yet easy to use configuration software
    • Enhanced HMI functionality with USB connected accessories


    Suitable for all types of machines and industries, both process and discrete manufacturing.

    • Simple machines
    • Basic applications


    • Ergonomic mounting
    • Powered by Vijeo Designer

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