Description
Product Name: 2711-K5A3L1 Allen Braley Programmable controller
Product details:
The Allen-Bradley 2711-K5A3L1 is a high-performance operator interface terminal from the PanelView 550 series. It is designed to provide a rugged and reliable interface for monitoring and controlling industrial processes.
🟢 Product Description
The 2711-K5A3L1 features a 5.5-inch Monochrome Blue LCD display. As part of the “K” series, it is equipped with a Stainless-Steel Keypad for user input, making it ideal for environments where operators may be wearing gloves or where a tactile response is preferred over a touchscreen.
This specific model uses DH-485 communication ports and operates on 24V DC input power.
📊 Technical Specifications
| Feature | Specification |
| Model Series | PanelView 550 |
| Display Type | Monochrome Blue LCD |
| Display Size | 5.5-inch |
| Input Method | Tactile Keypad (F1 through F10 keys) |
| Communication Port | DH-485 (Data Highway 485) |
| Secondary Port | RS-232 Printer Port |
| Input Voltage | 24V DC (18–32V DC range) |
| Internal Memory | 170 KB Application Runtime |
| External Storage | Supports ATA Flash Memory Cards |
| Enclosure Rating | NEMA Type 12, 13, 4X (Indoor use only), IP54, IP65 |
🏆 Key Advantages
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Tactile Reliability: The mechanical keypad provides physical feedback, ensuring that inputs are registered even in vibrating or high-pressure environments.
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Durability: Built to withstand harsh industrial conditions, including exposure to dust, moisture, and chemical cleaning agents.
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Compact Design: The 5.5-inch screen offers a balance between clear visibility and a small footprint, saving space on control panels.
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Legacy Integration: Excellent for maintaining or upgrading older systems that rely on the DH-485 protocol, ensuring seamless communication with SLC 500 or MicroLogix controllers.
⚠️ Important Considerations & Precautions
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Power Supply: Ensure you are using a regulated 24V DC power source. Connecting this unit to AC power will cause permanent hardware damage.
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Screen Burn-in: Like many LCDs, prolonged display of a static image can cause “ghosting.” Use a screen saver or power-off timers to extend the life of the backlight.
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Backlight Replacement: The backlight bulb has a limited lifespan (typically 50,000 hours). It is replaceable, but ensure the unit is powered down before servicing.
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Environmental Limits: While it has a high NEMA rating, avoid direct sunlight or extreme temperature fluctuations that could lead to condensation inside the unit.
🏭 Common Applications
The PanelView 550 is widely used across various sectors for human-machine interface (HMI) tasks:
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Manufacturing: Controlling assembly lines and monitoring sensor data.
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Food & Beverage: Managing batching processes and packaging machinery.
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Water Treatment: Monitoring flow rates, tank levels, and pump statuses.
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Automotive: Interface for robotic cells and conveyor systems.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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