Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711P-K4M5A8 terminal is an operator interface terminal from the Bulletin 400 product line in the Allen-Bradley Panelview Plus 6 series. It does not come with extended features. The 3.5-inch display screen on the 2711P-K4M5A8 operator interface terminal only shows grayscale graphics. The 2711P-K4M5A8 operator interface terminal comes with a host USB port, a device USB port, 256 MB of RAM, and 512 MB of nonvolatile memory.