Allen Bradley 2711-B5A2L1 Operator Terminal / HMI

FAQ

Q1: What is the Allen-Bradley 2711-B5A2L1 used for?
A1: The 2711-B5A2L1 is a PanelView 550 operator terminal designed for industrial machine monitoring and control applications. It allows operators to interact with PLC-based automation systems through a touchscreen and keypad interface.

Q2: What type of display does the 2711-B5A2L1 use?
A2: This model features a 5.5-inch monochrome LCD blue mode display with a resolution of 256 × 128 pixels.

Q3: Does the terminal support both keypad and touchscreen operation?
A3: Yes. The unit combines a touchscreen interface with ten programmable function keys (F1–F10) for flexible machine operation.

Q4: What communication protocol does the 2711-B5A2L1 support?
A4: The terminal uses DH-485 communication, which is commonly used with legacy Allen-Bradley PLC systems.

Q5: What power supply is required for this operator terminal?
A5: The device operates on a 24V DC power supply with an acceptable voltage range of 18–32V DC.

Q6: Is the 2711-B5A2L1 still in production?
A6: No. This model has been discontinued by the manufacturer, but refurbished and surplus units are still widely available in the industrial automation market.

Q7: What is the expected backlight life of the display?
A7: The LED backlight is rated for approximately 100,000 operating hours under standard conditions.

Q8: What are the dimensions and weight of the 2711-B5A2L1?
A8: The unit measures approximately 290 × 185 × 125 mm and weighs about 1.7 kg (3.75 lb).

2711-B5A2L1 Allen Bradley

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