Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711C-K2M terminal is an operator terminal from the Panelview Component series of operator terminals. Its input option is a keypad with numeric and function keys. The 2711C-K2M operator terminal?s screen is only 2 inches wide and it only supports monochrome graphics. It has a yellow and green status indicator light that has a minimum half life of 50,000 hours and that is not replaceable. The 2711C-K2M operator terminal has a USB device port for programming and its input voltage range is from 18 to 30 Volts DC.