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
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.
Architectural Selection and Scale Classification of PLC Systems in Industrial Automation
Selecting the correct control platform represents a foundational engineering decision in factory automation. System designers must carefully balance technical parameters against long-term operational requirements when implementing a Programmable Logic Controller (PLC). This article examines the critical evaluation metrics, physical scale classifications, and operational architectures of modern control systems.