The 2711-B5A9L1 is a discontinued PanelView Standard operator interface featuring a 5.3-inch monochrome display with 256 x 128 pixel resolution. This HMI unit combines both keypad and touch input methods, equipped with RS-232 (DH-485) communication and printer port connectivity. It operates on 24 VDC power input. While the original manufacturer warranty no longer applies, this unit includes Beyondtech's warranty coverage.