Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711PC-B4C20D8 operator terminal is one of the most compact operator terminals that is manufactured by Allen-Bradley/Rockwell Automation. It is part of the Allen-Bradley Panelview Plus 600 Compact series of compact operator terminals. The 2711PC-B4C20D8 compact operator terminal operates at 18 to 32 Volts DC with voltage from an external power source. It has a display screen that is only 3.5 inches wide but which supports color graphics. The 2711PC-B4C20D8 compact operator terminal can be controlled through either its touchscreen or its keypad.