Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley/Rockwell Automation 2711-K5A1L2 terminal is a standard-model operator interface terminal from the Panelview 550 product line. It has a 5-inch display screen that can only show monochrome graphics. The 2711-K5A1L2 operator interface terminal has 10 function keys that the users can program to save functions that are frequently used so that these functions can be activated quickly and efficiently. This terminal also has number keys, navigational arrow keys, an ?enter? key, and a ?delete? key.