Thông số kỹ thuật màn hình AB Panelview: The 2711P-T7C21D8S-B terminal is an Allen-Bradley interface terminal from the Panelview Plus 7 series that has no brand printed on it. It is controlled by a 7-inch touchscreen with color TFT graphics. The 2711P-T7C21D8S-B interface terminal uses a non-isolated DC power supply that provides it with 24 Volts DC of nominal voltage and 18 to 30 Volts DC of input voltage. It comes with 512 MB each of RAM and storage memory. The 2711P-T7C21D8S-B interface terminal has a host USB port and a device USB port for connecting to external devices.