Thông số kỹ thuật màn hình AB Panelview: The 2711P-B4C5D operator interface terminal is an Allen-Bradley/Rockwell Automation Panelview Plus 400 series operator interface terminal. It comes with a 3.5-inch touchscreen and a keypad for control and for data input. The 2711P-B4C5D operator interface terminal operates with an input voltage range between 18 and 32 Volts DC. Its communication port is an RS-232 communication port. The 2711P-B4C5D operator interface terminal supports color graphics on its touchscreen.