Product Details
Product Overview
The Allen Bradley 2711-T5A8L1 functions as a high-performance Human Machine Interface (HMI) within the PanelView Standard 550 series. This unit facilitates seamless operator interaction with PLC systems using a durable 5.5-inch monochrome LCD. It provides a reliable interface for monitoring and controlling industrial automation processes, even in legacy environments. We supply this unit as 100% Brand New and Original, ensuring peak performance and longevity for your critical infrastructure.
Technical Specifications
The following table outlines the essential hardware parameters for the 2711-T5A8L1:
| Feature | Specification |
| Manufacturer | Allen Bradley |
| Series | PanelView 550 |
| Display Type | Monochrome LCD (Blue Mode) |
| Display Size | 5.5-inch (120 x 60 mm) |
| Resolution | 256 x 128 pixels |
| Input Type | Touchscreen (128 touch pixels) |
| Communication | DH+ (Data Highway Plus) & RS-232 Printer Port |
| Input Voltage | 24V DC (18-32 VDC range) |
| Application Memory | 170 KB - 240 KB (Series dependent) |
| Operating Temp | 0 to 55 °C (32 to 131 °F) |
| Backlight Life | Replaceable (Part No. 2711-NL1) |
Engineering Advantages
The 2711-T5A8L1 addresses specific industrial challenges through its rugged design and specialized communication protocols:
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Legacy Integration via DH+: This terminal integrates directly into existing Data Highway Plus networks. It eliminates the need for expensive protocol converters when maintaining older PLC-5 or SLC 500 systems.
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Space-Efficient Footprint: The compact 5.5-inch display allows engineers to install powerful HMI functionality in cramped control panels where larger screens cannot fit.
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Touch-Responsive Interface: The 128-pixel touch grid provides tactile feedback and eliminates the need for external keyboards, reducing failure points in dusty or oily environments.
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Thermal Resilience: The hardware dissipates 29W of heat efficiently, maintaining stable operation in ambient temperatures up to 55°C without requiring dedicated cooling fans.
FAQs
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Does this unit come with a warranty and is it truly new?
Yes. We provide this 2711-T5A8L1 as a 100% brand new, original factory unit. It includes our standard industrial warranty to ensure your facility avoids the risks associated with refurbished or used surplus.
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Can I replace a keypad-only PanelView with this touchscreen model?
Transitioning from a keypad to a touchscreen (2711-T series) requires a physical cutout change in your panel door. Additionally, you must update the application file in PanelBuilder32 software to convert keypad objects into touch-sensitive objects.
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What should I check if the backlight fails?
If the screen appears dark but the unit is powered, the 2711-NL1 backlight lamp has likely reached its end of life. You can replace this component separately without replacing the entire HMI, significantly reducing maintenance costs.
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Which cable do I need for DH+ communication?
Standard installations utilize the 2711-NC13 communication cable for reliable data transfer. Ensure you maintain proper shielding to prevent electromagnetic interference (EMI) from high-voltage motor drives nearby.
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.