The Pro-face 12.1-inch Touchscreen (Coated Model) AST3301-S1-D24 is a high-performance industrial human-machine interface (HMI) designed for reliable operation in demanding environments. Powered by a DC24 power supply and featuring a protective coating, this model is engineered to resist dust, moisture, and chemical exposure, making it ideal for use in manufacturing floors, processing plants, and other harsh industrial settings.

The display is a 12.1-inch TFT true-color LCD with a resolution of 800×600 pixels (SVGA), delivering sharp and clear visuals. It supports 65,536 colors for flicker-free display and 16,384 colors with 3-speed闪烁 (blinking) capability, ensuring effective visual alerts and status indications. The cold cathode fluorescent tube backlight is user-replaceable, extending the product's service life. Brightness can be adjusted conveniently in 8 levels directly through the touch panel.

The device features 64KB of SRAM variable area, backed by a lithium battery for data retention, and a 132KB FLASH EPROM for program storage, supporting up to 15,000 steps of logic. The touch panel utilizes analog resistive technology, ensuring accurate and durable touch response even when used with gloves or in wet conditions.

The AST3301-S1-D24 is equipped with five key efficiency-boosting functions. Its intuitive design and compatibility with the GP-Pro EX software greatly simplify the creation of visually sophisticated screens. The software features a user-friendly drag-and-drop interface, allowing even beginners to quickly develop and deploy professional HMI applications. Advanced tools such as 3D components, image fonts, and pre-designed sample screens significantly reduce programming time. Pro-face offers a rich library of ready-to-use sample screens and 3D parts, enabling users to build clear, intuitive, and visually appealing interfaces with minimal effort.