Product Details
Product Overview
The Allen-Bradley 2711-K5A1 serves as a robust Human-Machine Interface (HMI) within the PanelView 550 series. This terminal features a 5.3-inch monochrome blue-mode display that provides clear text and graphic visualization for industrial machine control. It utilizes a durable tactile keypad for operator input and supports high-speed Remote I/O (RIO) communications for seamless PLC integration. We supply this unit in 100% Brand New condition, offering a definitive replacement solution for maintaining legacy systems without upgrading entire control architectures.
Technical Specifications
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Display Size: 5.3-inch
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Display Type: Monochrome Blue-mode LCD
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Resolution: 256 x 128 Pixels
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Input Method: Stainless-steel domed tactile keypad
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Communication Ports: Remote I/O (RIO) and RS-232 Printer Port
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Input Voltage: 100-240V AC (Universal)
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Frequency: 50/60 Hz
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Unit Weight: 2.76 lbs (1.25 kg)
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Backlight Life: 100,000 hours (Field replaceable)
Engineering Advantages
The 2711-K5A1 addresses the specific rigors of the factory floor through its specialized design and communication capabilities:
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Tactile Feedback for Heavy Industry: The mechanical keypad allows operators to input commands accurately while wearing protective gloves. Unlike touchscreens, these tactile buttons provide physical confirmation of every press, reducing input errors in high-vibration or high-cadence environments.
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Deterministic Remote I/O Networking: The integrated RIO port facilitates deterministic communication with Allen-Bradley PLC-5 and SLC 500 controllers. This ensures time-critical data reaches the HMI without the latency issues common in standard serial links.
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Universal Power Flexibility: The internal power supply accepts a wide range of 100-240V AC. This eliminates the need for external voltage step-down transformers and protects the internal electronics against common line voltage fluctuations.
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Legacy System Preservation: As a Brand New unit, the 2711-K5A1 provides a "drop-in" replacement for failed hardware. It utilizes existing panel cutouts and PanelBuilder32 software configurations, enabling immediate restoration of production lines without the downtime associated with modern HMI migrations.
FAQs
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Does the 2711-K5A1 support RS-232 communication with the PLC?
No. The RS-232 port on this specific model serves as a printer/download port only. You must use the primary Remote I/O (RIO) port to communicate with your PLC-5, SLC, or ControlLogix system.
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Can I replace the backlight if the screen grows dim?
Yes. This model utilizes a field-replaceable backlight lamp. Installing a new lamp restores original brightness, though starting with our Brand New units ensures you receive a factory-fresh display with zero initial runtime hours.
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Is this unit compatible with PanelBuilder32 software?
Yes. You program and configure the 2711-K5A1 using Standard PanelBuilder32 software. This allows you to upload existing .PBA or .PVP files directly to the terminal for rapid deployment.
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Does this HMI arrive with mounting hardware?
We provide the 2711-K5A1 with the necessary mounting clips and a sealing gasket. These components ensure a NEMA-rated seal against your enclosure, protecting the electronics from moisture and dust ingress.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.