Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711P-B12C4B2 terminal is an operator interface terminal from the Panelview Plus 1250 series. It is equipped with both a keypad and a touchscreen as control options. The 2711P-B12C4B2 operator interface terminal supports color graphics on its touchscreen, which is also a display screen. This terminal is one of the Panelview series terminals that can operate with both AC and DC voltage. The AC input voltage rating of the 2711P-B12C4B2 operator interface terminal is 100 to 240 Volts AC and its DC input voltage rating is 18 to 32 Volts DC.