The Allen-Bradley 2711-K5A12 PanelView 550 Standard terminal is an innovative operator interface device that delivers a robust graphical experience for industrial control systems with its high-resolution 5-inch monochrome LCD screen providing a display resolution of 256 x 128 pixels. Ideal for space-constrained environments, it features a flat-panel design and offers superior functionalities such as advanced alarm handling, universal language support for over 40 languages, and screen security with password protection to ensure secure operations. Engineered to operate efficiently in demanding conditions, it is AC-powered with a voltage range of 85 to 264 Volts AC and sports a stainless steel membrane-domed keypad for reliable inputs, while facilitating high-speed communication through its PROFIBUS support and connectivity via an RS-232 printer port.