2711-T5A8L1 | Allen Bradley | PanelView 550 Operator Terminal

2026-04-20T18:10:57-07:00

Vendor: Allen-Bradley
Type: Operator Terminal
Price: 66.00

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:

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.

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.

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.

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

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.

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.

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.

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.