The Allen Bradley PanelView Plus 6 2711P-K6C5A9 serves as an efficient HMI solution, offering a vibrant 5.7-inch color display and keypad input for seamless machine interaction. Powered by a 100-240 VAC supply, this interface is equipped with 256 MB RAM and features a robust RS-232 terminal, which facilitates versatile communication modes including DH-485 and DF1 full-duplex protocols for direct, modem, or third-party point-to-point exchanges. Compact in design, this unit weighs roughly 6 lbs and measures 14 x 11 x 8 inches, providing reliable application and data transfer functionalities with a maximum cable reach of 15.24 meters.