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- Allen Bradley
- 2711-K5A1
- 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
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
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-K5A1 is a PanelView 550 Standard Operator Terminal designed for industrial machine monitoring, visualization, and operator control.
It is part of the PanelView Standard 550 series, commonly used in legacy automation systems with PLCs such as SLC 500 and MicroLogix. It provides a compact operator interface with keypad-based input and a monochrome display.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 2711-K5A1 |
| Series | PanelView 550 |
| Display Type | 5.5-inch monochrome LCD (blue-mode display) |
| Resolution | 256 × 128 pixels |
| Input Type | Keypad (function keys + navigation keys) |
| Communication Ports | Remote I/O (RIO), RS-232 (printer/communication) |
| Power Supply | 85–264 VAC |
| Frequency | 47–63 Hz |
| Memory | ~170 KB runtime / ~240 KB non-volatile memory |
| Configuration Software | PanelBuilder32 |
| Enclosure Rating | NEMA 4X / IP-rated front panel (industrial) |
| Dimensions | 266 × 106 × 167 mm |
| Weight | 1.2 kg |
Function and Working Principle
The 2711-K5A1 operates as a human-machine interface (HMI) between operators and PLC-controlled systems.
Its main functions include:
- Displaying real-time machine and process data
- Showing alarms and system status messages
- Allowing operator input via keypad
- Sending commands and setpoints to PLC systems
- Supporting basic industrial machine monitoring and control
It communicates mainly through Remote I/O or RS-232 serial communication, depending on system architecture.
Key Features
- 5.5-inch monochrome industrial display
- 10 function-key keypad interface
- Remote I/O communication support
- RS-232 printer/communication port
- Rugged industrial enclosure design
- Suitable for harsh factory environments
- Compatible with legacy Allen-Bradley PLC systems
- Long-life LED backlight (serviceable depending on revision)
Industrial Applications
- Manufacturing machinery
- Packaging equipment
- Conveyor systems
- Pump and motor control panels
- HVAC and utility systems
- Small-to-medium industrial automation systems
Role in Industrial Systems
The 2711-K5A1 serves as the operator interface layer, responsible for:
- Translating PLC data into readable screens
- Allowing manual operator interaction
- Displaying alarms and system diagnostics
- Providing basic machine-level control interface
It does not execute control logic — all control is handled by the PLC system.
Installation Notes
- Panel-mounted installation in industrial control cabinets
- Requires AC power supply (85–264 VAC)
- Communication via RIO or RS-232 depending on configuration
- Programming via PanelBuilder32 software
- Suitable for indoor industrial environments
Compatible Systems
- Allen-Bradley SLC 500 PLC series
- Allen-Bradley MicroLogix PLC series
- Legacy Remote I/O architectures
- Serial-based industrial communication systems
Advantages
- Reliable and proven industrial design
- Simple keypad-based operation
- Stable performance in harsh environments
- Good compatibility with legacy PLC systems
- Long service life in industrial use
Limitations
- Obsolete / legacy product line
- Limited graphics and processing capability
- Requires outdated configuration software (PanelBuilder32)
- Slow communication compared to modern Ethernet HMIs
- Not suitable for modern SCADA systems
Conclusion
The Allen-Bradley 2711-K5A1 PanelView 550 is a robust legacy HMI designed for basic operator control and machine monitoring.
It is still widely used in older industrial installations where reliability and simplicity are more important than advanced graphics or modern networking capabilities.