Thông số kỹ thuật màn hình AB Panelview: The Allen-Bradley 2711PC-B4C20D terminal is an interface terminal from the Panelview Plus 6 Compact series of operator interface terminals. It has been designed to be a more compact version of the standard Allen-Bradley Panelview series interface terminal. The 2711PC-B4C20D interface terminal has a 4-inch display screen with color graphics that is also a touchscreen. It also comes with a keypad as another data input and control option. The 2711PC-B4C20D interface terminal uses DC input power and it supports Serial and Ethernet communication.