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- Allen Bradley
- 2711-B5A8
- PanelView 550 Operator Interface
- USA
- 266 x 106 x 167 mm
- 1.2 kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 2711-B5A8 is a PanelView 550 Standard Operator Terminal used as an industrial HMI (Human-Machine Interface). It provides operators with a local interface for monitoring and controlling PLC-based automation systems.
This model belongs to the PanelView 550 monochrome series, widely used in legacy Rockwell Automation installations and still found in many existing industrial machines.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 2711-B5A8 |
| Product Series | PanelView 550 Standard |
| Display | 5.5-inch monochrome LCD (blue mode) |
| Resolution | 256 × 128 pixels |
| Input Type | Touchscreen + 10 function keys (F1–F10) |
| Communication | DH+ (Data Highway Plus) + RS-232 printer port |
| Power Supply | 85–264 V AC, 47–63 Hz |
| Memory | ~170 KB runtime application memory |
| Function | Machine monitoring and operator control |
| Weight | ~1.2 kg |
| Dimensions | 266 × 106 × 167 mm |
Function and Working Principle
The 2711-B5A8 operates as a front-end operator interface between PLC systems and users. It works by:
- Displaying real-time process and machine data from PLC controllers
- Accepting operator inputs via touchscreen and function keys
- Sending control commands back to PLC systems
- Running applications created using PanelBuilder32 software
Communication is typically handled via DH+ network, which supports multi-device industrial data exchange.
Role in Industrial Systems
This HMI is used to:
- Provide machine visualization and control
- Display alarms, faults, and system status
- Enable operator interaction with PLC systems
- Support legacy Rockwell automation architectures
It remains widely installed in long-life industrial equipment where system upgrades have not been implemented.
Industrial Applications
- Conveyor systems
- Packaging machinery
- Pump and motor control systems
- Material handling equipment
- Legacy manufacturing automation lines
Installation Notes
- Panel-mounted installation in control cabinet doors
- Requires 85–264 V AC power supply
- Uses DH+ (1770-CD / Belden 9463 cable typically)
- RS-232 port used for printing or service communication
- Programming requires PanelBuilder32 software
Compatible Equipment
- Allen-Bradley SLC 500 PLC systems
- PLC-5 controllers (via DH+ network)
- Legacy Rockwell automation systems
- Industrial communication networks using Data Highway Plus
Key Advantages
- Rugged industrial design for harsh environments
- Reliable long-term operation
- Supports DH+ multi-node communication
- Simple operator interface with keypad + touchscreen
- Proven performance in legacy systems
Limitations
- Obsolete / discontinued product
- No Ethernet communication support
- Limited graphics and memory capability
- Requires legacy engineering tools (PanelBuilder32)
- Increasingly replaced by PanelView Plus series
Replacement Options
| Model | Type | Application |
|---|---|---|
| PanelView Plus 7 | Modern HMI | Ethernet-based upgrade |
| PanelView 800 | Compact HMI | Small machine systems |
| PanelView 5500 | Advanced HMI | ControlLogix systems |
Conclusion
The Allen-Bradley 2711-B5A8 PanelView 550 is a legacy industrial HMI designed for machine control and monitoring in DH+ network-based automation systems.
Although discontinued, it remains widely used in existing industrial installations due to its durability, simplicity, and long operational lifecycle.