Allen-Bradley 2711-K5A8L1 PanelView 550 Graphic Terminal

Allen-Bradley 2711-K5A8L1 PanelView 550 is a 5.5-inch monochrome LCD operator terminal with a blue backlit display and a keypad input (F1–F10), designed for DH+ networks and RS-232 printer connectivity in industrial control environments.

It runs PanelBuilder32 software and provides 170 KB of application runtime memory (with 240 KB nonvolatile RAM for objects and bitmaps), supports ATA memory cards, and uses 120 VAC input power; firmware FRN 4.41 is indicated by the product designation.

Physical specs include approximately 6 lb shipping weight, shipping dimensions of 14 x 11 x 8 inches, and a backlight identified as 2711-NL1; the terminal supports series A–H across the PanelView 550 family, making it compatible with a broad range of legacy drives and PLCs that use DH+ or RS-232 for data exchange.