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
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