Here are some key features and specifications of the Omron NT31-ST123B-EV3:

Display: The NT31-ST123B-EV3 features a high-resolution color TFT LCD display for clear and vibrant visual feedback. It typically has a screen size of 3.8 inches.

Touch Functionality: The touch screen interface allows users to interact with the HMI panel by directly touching the display. It enables intuitive navigation, data input, and control operations.

Communication Ports: The HMI panel is equipped with communication ports to facilitate connectivity with various automation devices and systems. It may include RS-232, RS-422/485, and USB ports for data transfer and programming purposes.

Programming Software: Omron provides programming software, such as CX-Designer, for developing applications and configuring the HMI panel. This software allows users to design customized interfaces, set up communication parameters, and program system functions.

Memory and Storage: The HMI panel typically has built-in memory for storing applications, screens, and data. It may also include an external memory card slot for expandable storage.

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