2711P-B15C22A9P-B is a model number of an Allen-Bradley HMI (Human Machine Interface) device. This HMI is part of the PanelView Plus 7 Performance series from Allen-Bradley. It features a 15-inch color display and supports EtherNet/IP and RS-232 communication protocols. The "-B" in the model number typically denotes a keypad and touch input capability, while the "A9" represents the region-specific display configuration.