Thông số kỹ thuật màn hình AB Panelview: The 2711-K5A9L1 operator terminal is a Panelview 550 series operator terminal manufactured by Allen-Bradley/Rockwell Automation. It has a 5-inch display screen that supports monochrome graphics. The 2711-K5A9L1 operator terminal is controlled by a keypad and it runs on DC power. It comes with both an RS-232/DH-485 communication port and an RS-232 printer port. The 2711-K5A9L1 operator terminal supports Panelbuilder 32.