Thông số kỹ thuật màn hình AB Panelview: The 2711P-K4C3A terminal is an operator interface terminal that has been designed and manufactured by Allen-Bradley/Rockwell Automation. It is part of the Allen-Bradley Panelview Plus 400 series. The 2711P-K4C3A operator interface terminal features a 3.5-inch display screen with color graphics and a control keypad. Its input voltage rating is 100 to 240 Volts AC at 50 to 60 Hertz frequency.