Allen-Bradley 2711-K9A2 PanelView 900 HMI Terminal is a 9-inch monochrome operator terminal with keypad input, part of the PanelView 900 family for legacy Allen-Bradley PLC networks. It uses DH-485 communication and is powered from an external AC supply in the 85–264 V range (commonly listed as 100–240 V). This model carries firmware revision FRN 4.00 and features a 9-inch monochrome LCD display for local interaction with connected controls.
