Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley interface terminal is an operator interface terminal from the Panelview Plus 1500 series. Its display screen is also a touchscreen that is 15 inches wide with color graphics. The 2711P-T15C4A2 interface terminal does not have a physical keypad. The communication ports embedded in this terminal include an RS-232 port, an Ethernet port, and 2 USB ports. The 2711P-T15C4A2 interface terminal operates at 85 to 264 Volts AC at 47 to 63 Hertz frequency.