Allen-Bradley 2711-K5A8 PanelView 550 Display

The Allen-Bradley 2711-K5A8 PanelView 550 Display is a 5.5-inch monochrome HMI terminal in the PanelView 550 family, designed for industrial environments and powered from 120 VAC. It provides user input via a F1–F10 keypad, DH+ communications to Allen-Bradley PLCs, and an RS-232 printer port for serial messaging, all displayed on a blue monochrome LCD with a dedicated backlight (2711-NL1). The unit runs PanelBuilder 32 software and carries about 170 KB of application runtime memory, making it suitable for compact, standalone operator interfaces. This 2711-K5A8 belongs to the PanelView 550 standard line (Series A–H) and is commonly used for simple machine control and status displays in rugged factory settings.