Allen Bradley 2711-B5A8

Are you looking for an Allen Bradley 2711-B5A8 in stock? It is a classic and powerful human-machine interface (HMI) terminal. It is equipped with a 5.5-inch blue mode display (non-color) and can be operated through the function key and number key areas. This model is connected via the DH-485 communication protocol and is mainly used in conjunction with controllers such as the SLC 500 or Micro Logix, providing reliable and intuitive monitoring solutions for small and medium-sized automation equipment.

Core function

1. The text, data and basic graphical interface are clearly displayed on the 5.5-inch blue screen.

2. Through 10 customizable function keys, numeric keypad and navigation keys, quick and accurate command input is achieved.

3. A built-in DH-485 (RS-232) port enables stable connection with Rockwell's controller network.

4. It can store and run applications developed using Panel Builder 32 software.

5. The sturdy casing and NEMA 4X (panel) protection level can resist dust, oil and moisture in harsh industrial environments.

Typical application scenarios

1. The Allen Bradley 2711-B5A8 terminal is used to replace the faulty equipment on old production lines such as packaging, food processing, and material transportation.

2. As a standard spare part for SLC 500 or Micro Logix control systems, it is used for daily maintenance and emergency repairs.

3. In some simple-function and cost-sensitive small automated equipment, it is used as the operator interface.

FAQ

Q1. Is this HMI a touchscreen?

A: No. Allen Bradley 2711-B5A8 is a keypad-operated terminal that operates through physical buttons, not a touchscreen.

Q2. Is its display color?

A: No. It uses a monochrome display in blue mode, mainly for displaying text and simple graphics.

Q3. What is the programming software?

A: The Rockwell Panel Builder 32 software needs to be used to create and download the application.

Q4. Can I directly connect it to the Control Logix PLC?

A: No. Its DH-485 interface is mainly used for connecting SLC 500 or Micro Logix series PLCs. To connect to Control Logix, an additional communication gateway is required for protocol conversion.

Product flowchart

PLC Controller (SLC 500 / Micro Logix)

↑ ↓ (DH-485 Communication)

Read data / Send instructions

↑ ↓

Allen-Bradley 2711-B5A8

Display data / Receive key

↑ ↓

Operator

View status / Press key