Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711P-K4M5A terminal is a control terminal from the Panelview Plus 400 series. It has a screen that is only 4 inches wide and that only supports monochrome graphics. The 2711P-K4M5A control terminal is equipped with a keypad as its control method. It operates on AC power and it has an RS-232 type of communication port. The 2711P-K4M5A control terminal has 64 MB of memory and an operating temperature range of 32 to 131 degrees Fahrenheit.