Description
Product Name: 2711-K5A3 Allen Braley Programmable controller
Product details:
The Allen-Bradley 2711-K5A3 is a member of the PanelView 550 series of Operator Interface Terminals. It is a legacy industrial terminal designed for monitoring and controlling machinery through a rugged, reliable interface.
1. Product Detailed Description
The 2711-K5A3 is a monochrome graphic terminal featuring a 5.5-inch Blue Mode LCD display. It is primarily input-driven via a tactile Keypad rather than a touchscreen. This model provides an interface between an operator and a programmable logic controller (PLC), allowing for real-time data visualization and machine manipulation.
It communicates via DH-485 (Data Highway 485) protocol and is typically powered by an external AC power source.
2. Technical Specifications
| Feature | Specification |
| Series | PanelView 550 |
| Input Type | Numeric & Function Keypad (F1–F10) |
| Display Type | Monochrome Blue Mode LCD |
| Display Size | 5.5-inch (diagonal) |
| Resolution | $256 \times 128$ pixels |
| Communication Port | DH-485 (RJ45 connector) |
| Programming Port | RS-232 |
| Input Voltage | $85–264\text{V AC}$ ($47–63\text{Hz}$) |
| Memory | 170 KB Application Runtime Memory |
| Backlight | User-replaceable (approx. 100,000 hours) |
3. Product Advantages
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Industrial Durability: Built to withstand harsh factory environments, including vibrations, high temperatures, and electromagnetic interference.
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Tactile Feedback: The keypad allows operators to interact with the machine even while wearing industrial gloves, providing more reliable input than early resistive touchscreens.
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Compact Footprint: Its small size makes it ideal for mounting on small control panels or directly onto compact machinery.
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Proven Reliability: As a legacy device, it has a long track record of stability in long-term manufacturing cycles.
4. Key Precautions & Maintenance
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Legacy Status: This model is discontinued (End of Life). Future replacements may require migration to the PanelView Plus or PanelView 800 series.
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DH-485 Limitations: The DH-485 protocol is slower and less flexible than modern Ethernet/IP. Ensure your PLC (like a SLC 500 or MicroLogix) is compatible.
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Backlight Lifespan: While the screen is durable, the CCFL backlight eventually dims. It is replaceable, and keeping a spare on hand is recommended for critical machines.
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Software Compatibility: Programming typically requires PanelBuilder32 software, which may require older Windows environments or virtual machines to run.
5. Typical Applications
The 2711-K5A3 is commonly used in medium-to-light industrial applications, including:
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Packaging Machinery: Adjusting speeds, timing, and monitoring error codes.
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Material Handling: Controlling conveyor systems and sorting gates.
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Water Treatment: Monitoring tank levels and pump statuses.
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Legacy System Support: Maintaining existing production lines that still utilize SLC 500 or PLC-5 controllers.
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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