Allen Bradley 2711-B5A2L1 PanelView 550 Operator Interface
Allen Bradley 2711-B5A2L1 PanelView 550 Operator Interface
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Brand:Allen Bradley PLC Item No.:2711-B5A2L1 Product Origin:USA Product Dimensions:266 x 106 x 167 mm Product Weight:1.2 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 2711-B5A2L1 PanelView 550 Operator Interface is a classic industrial HMI designed for essential machine monitoring and operator interaction. While it belongs to an older generation of automation technology, it remains widely used in legacy systems due to its durability, simplicity, and reliable performance.
With its combined keypad and touchscreen interface, it provides straightforward access to machine status and control functions, making it a trusted solution for long-running industrial installations.
Technical Specifications
Specification
Details
Model
2711-B5A2L1
Product Series
PanelView 550
Product Type
Operator Interface (HMI)
Display Size
5.5 in
Display Type
Monochrome LCD (blue mode)
Resolution
256 × 128
Input Methods
Touchscreen + Keypad (F1–F10)
Communication
DH-485
Power Supply
24V DC (18–32V DC)
Application Memory
170 KB runtime
Nonvolatile Memory
240 KB
Mounting Type
Panel Mount
Dimensions (H × W × D)
266 × 106 × 167 mm
Weight
1.2 kg (2.65 lb)
Operating Environment
Industrial indoor use
Applications
The 2711-B5A2L1 PanelView 550 Operator Interface is designed for basic industrial visualization and machine-level operator control in legacy automation systems. It is widely used in environments where reliability and simple HMI interaction are essential.
Typical applications include:
Small to medium industrial machine control panels
Conveyor system monitoring and basic control
Pump and motor status visualization systems
Packaging and light manufacturing equipment
Legacy PLC-based automation systems (DH-485 networks)
Standalone operator stations in production environments
Its compact size and simple interface make it suitable for straightforward operator interaction without advanced graphical requirements.
Advantages
Dual Input Interface — Combines keypad (F1–F10) and touchscreen operation
Compact Industrial Design — Fits easily into space-limited control panels
Reliable Legacy Communication — Supports DH-485 industrial protocol
Stable Operation — Proven industrial-grade reliability in older automation systems
Simple Visualization — Clear monochrome display for essential process monitoring
Low Maintenance Requirement — Designed for long-term stable operation
Easy Panel Integration — Standard panel mounting for retrofit applications
Technical FAQs
1. What communication protocol does this HMI use?
It uses DH-485 communication, commonly found in legacy Allen-Bradley PLC systems.
2. Is this device suitable for modern PLC systems?
It is primarily designed for older systems and is not typically used in modern Ethernet-based architectures.
3. Does it support both touch and keypad input?
Yes, it combines touchscreen input with 10 function keys (F1–F10).
4. What type of display does it use?
It features a 5.5-inch monochrome LCD display in blue mode.
5. Is it still manufactured?
No, this model belongs to a discontinued legacy PanelView 550 product family.
6. Can it be upgraded easily?
Upgrades usually require migration to newer PanelView Plus series HMIs.
7. Does it support USB or Ethernet communication?
No, it relies on DH-485 serial-based communication.
8. Is it suitable for continuous industrial operation?
Yes, it is designed for 24/7 industrial environments.
9. Can programs be backed up from the device?
Yes, but it requires compatible legacy communication tools and software.
10. Is it still commonly used today?
It is mainly found in existing installed systems rather than new projects.
