Allen-Bradley 2711-B5A5 PanelView 550 HMI Display

Allen-Bradley 2711-B5A5 PanelView 550 is a 5.5-inch monochrome HMI terminal (PanelView Standard) with keypad and touch input, designed for use with SLC 500, PLC-5, and MicroLogix controllers via RS-232 (DH-485). It features a 256 x 128 pixel monochrome LCD with a 120 x 60 mm active display area and a long-life LED backlight. Input options include a stainless-steel domed keypad with 10 function keys and a touch screen capable of up to one million actuations, plus a battery‑backed real-time clock. Onboard memory provides about 170 KB runtime and 240 KB nonvolatile RAM for applications and text/bitmaps, with ATA memory card support for extended storage. Communications ports include RS-232 (DH-485) and broader network options with EtherNet/IP, DeviceNet, DH+, Remote I/O compatibility, plus a printer-oriented RS-232 port supporting baud rates of 1200/2400/9600/19200. This AC-powered unit runs on 85–264 VAC, 47–63 Hz, with up to 45 VA power consumption, and is configured with PanelBuilder32 software. The 2711-B5A5 variant is part of the PanelView 550 family (Series H) and is designed for compact, durable operator interfaces, ideal for displaying machine status, alarms, and simple control recipes in industrial environments.