Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711P-K4C20D8 terminal is an operator interface terminal from the Bulletin 400 product line in the Panelview Plus 400 series. It comes with a display screen which is only 3.5 inches wide but which supports color graphics. The 2711P-K4C20D8 operator interface terminal also comes with a keypad for controlling its applications or entering data. This terminal can function as an interface for a variety of machines that do not come with built-in interfaces. The 2711P-K4C20D8 operator interface terminal features 256 MB of RAM and 512 MB of nonvolatile memory.