Allen-Bradley 2711-B5A5 | PanelView 550 Operator Terminal

Overview

The Allen-Bradley 2711-B5A5 is a PanelView 550 operator terminal designed for machine control and monitoring. It integrates a 5.5-inch monochrome LCD screen with a resolution of 256 x 128 pixels. The blue mode display provides clear visualization for industrial applications, and the LED backlight offers a 100,000-hour service life. Users can replace the backlight with the 2711-NL1 model when necessary.

Input and Interface Options

This HMI supports both touchscreen and keypad input. The 2711-B5A5 includes 10 dedicated function keys (F1 to F10) combined with a touchscreen that supports one million actuations. It features a DH485 communication port and an RS232 (DF1) port, which allow flexible device integration. For reliable network connections, operators must use the 2711-NC13 communication cable.

Power and Memory Specifications

The 2711-B5A5 operates within an input voltage range of 85 to 264V AC at 47 to 63 Hz. It consumes approximately 20 Watts, which equals 69 BTU per hour of heat dissipation. The unit contains 170 KB of application runtime memory and 240 KB of non-volatile memory for storing objects, text, and bitmaps. It also supports an ATA memory card for extended storage.

Mechanical and Environmental Ratings

This operator terminal weighs 6 pounds and ships in a 14 x 11 x 8-inch package. The display area measures 120 x 60 mm (4.75 x 2.38 inches). The operating temperature range is 32 to 131 °F, while the storage range extends from -4 to 158 °F. Relative humidity tolerance is 5 to 95% at temperatures up to 30 °C. The device must not be mounted above 200 meters.

Durability and Accessories

The 2711-B5A5 supports enclosures rated NEMA Type 12, 13, 4X, IEC IP54, and IP65, which makes it suitable for demanding environments. Available accessories include function key legends, anti-glare overlays, replacement backlights, real-time clock modules, power supplies, and mounting hardware. The built-in real-time clock ensures accurate time-stamping and is battery-backed for replacement when required.

Product Lifecycle

The 2711-B5A5 belongs to the PanelView 550 product line and has been discontinued. Despite its obsolete status, it remains widely used in legacy systems due to its robust design and reliable performance.