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- Allen Bradley
- 2711-K5A5
- PanelView 550 Operator Interface
- USA
- 266 x 106 x 167 mm
- 1.2 kg
- Xiamen, China
- New & In Stock
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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-K5A5 is a PanelView 550 Operator Interface (HMI) designed for industrial machine monitoring and control. It provides a keypad-based interface that allows operators to view process status, receive alarms, and input commands to PLC-controlled systems.
This model is part of the PanelView Standard 550 series, widely deployed in legacy automation systems for reliable, compact, and simple operator interaction.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | PanelView 550 |
| Model | 2711-K5A5 |
| Product Type | Operator Interface (HMI) |
| Display Type | Monochrome LCD |
| Screen Size | 5.5 inch |
| Resolution | 256 × 128 pixels |
| Input Type | Keypad (function + navigation keys) |
| Communication | DH-485, RS-232 printer port |
| Input Power | 85–264 VAC, 47–63 Hz |
| Memory | ~170 KB runtime application memory |
| Environmental Rating | NEMA 12/13, IP54/IP65 (with enclosure) |
| Operating Temperature | 0–55 °C |
| Dimensions | 266 × 106 × 167 mm |
| Weight | 1.2 kg |
Function and Working Principle
The 2711-K5A5 functions as a human-machine interface (HMI), providing operators with a way to monitor and control industrial processes.
- Communicates with PLCs via DH-485 or RS-232
- Displays real-time machine status, alarms, and process variables
- Accepts operator input through keypad controls
- Sends control commands back to PLC systems for execution
It acts as the visual and interactive interface layer for industrial automation.
Key Features
- Keypad-operated interface for simple operation
- Monochrome LCD for clear process display
- Compatible with legacy DH-485 networks
- Built-in alarm and fault display functionality
- Industrial-grade design suitable for harsh environments
- Compact panel-mount design
Industrial Applications
- Conveyor and material handling systems
- Packaging machinery
- Pump and motor control panels
- HVAC and building automation systems
- Manufacturing production lines
- SLC 500 or MicroLogix PLC-based control systems
Role in Industrial Systems
The 2711-K5A5 serves as the operator interface, responsible for:
- Displaying process information and system status
- Allowing manual control of machinery (start/stop, setpoints)
- Displaying alarms and diagnostic messages
- Acting as a communication bridge between the operator and PLC
It is mainly used in legacy Rockwell automation systems.
Installation Notes
- Requires panel cutout for mounting
- Connect to a stable AC power supply (85–264 VAC)
- Proper grounding for noise immunity is recommended
- DH-485 wiring must be terminated correctly
- Should be mounted in industrial-rated enclosures
- Limited maintenance due to legacy design
Compatible Equipment
- Allen-Bradley SLC 500 PLC systems
- MicroLogix PLC series
- DH-485 communication networks
- Relay-based control panels
- Legacy Rockwell automation systems
Advantages
- Robust and reliable in industrial environments
- Simple keypad interface for operators
- Long operational lifespan
- Compatible with widely used legacy PLC systems
- Minimal maintenance required
Limitations
- Legacy and discontinued model
- No Ethernet or modern network support
- Limited memory and display resolution
- Not suitable for new automation systems
- Replacement parts may be scarce
Conclusion
The Allen-Bradley 2711-K5A5 PanelView 550 Operator Interface is a durable, legacy HMI designed for industrial process monitoring and control.
It is ideal for existing legacy systems, providing reliable operator interaction, though it is considered obsolete for modern automation networks, which now favor PanelView Plus or Ethernet-enabled HMIs.