Allen-Bradley 2711-B5A5 PanelView 550 Monochrome Operator Terminal

Overview

The Allen-Bradley 2711-B5A5 is a PanelView 550 standard operator terminal with a monochrome LCD in blue mode. It is designed to provide reliable operator interface capabilities for SLC and PLC systems, enabling display, input, and control of machine and process data. The terminal supports both keypad and touch input for flexible operation. Although now discontinued, it remains a robust choice for legacy applications.

Key Features

• 5.5-inch monochrome LCD display with blue mode

• Touchscreen with 128 touch cells, rated for 1 million presses

• 10 function keys (F1–F10) for direct operator input

• Application memory: 170 KB runtime memory, 240 KB non-volatile storage for objects, text, and bitmaps

• Dual communication support via DH485 and RS-232 (DF1)

• LED backlight with a rated life of 100,000 hours

• Input voltage range: 85–264V AC, 47–63 Hz

• Accessories: function key legend inserts, anti-glare overlays, backlight replacements, real-time clock replacements, mounting hardware, interface modules, and power supply components

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: PanelView 550

• Part Number: 2711-B5A5

• Weight: 2.50 lbs (1.13 kg)

• Display Type: Monochrome LCD (blue mode)

• Display Area: 120 x 60 mm (4.75 x 2.38 in)

• Resolution: 256 x 128

• Touchscreen: 128 cells, 1 million actuations

• Keypad: 10 function keys

• Memory: 170 KB runtime, 240 KB non-volatile

• Communication Ports: DH485, RS-232 (DF1)

• Input Voltage: 120V AC (operating 85–264V AC, 47–63 Hz)

• Series Compatibility: A–H

• Product Lifecycle Status: Discontinued

Application Scenarios

The 2711-B5A5 terminal is suited for:

• Displaying and controlling process variables in legacy PLC systems

• Operator interfaces for assembly lines, packaging, and material handling

• Integration with PLCs requiring monochrome or simple graphical displays

• Applications where a compact 5.5-inch display is sufficient

FAQs

Q: Can this terminal connect to modern PLC systems?
A: It is compatible with PLCs that support DH485 or RS-232 DF1 protocols, primarily older SLC and PLC-5 systems.

Q: How durable is the touchscreen?
A: The touch interface supports up to 1 million actuations and is designed for industrial environments.

Q: Are replacement parts available for discontinued models?
A: Accessories like function key legends, backlight replacements, and interface modules are still available from authorized distributors.