Product Details
Overview
The Allen-Bradley 2711-T5A2L1 is a standard operator terminal in the PanelView 550 series, designed for reliable human-machine interface in industrial applications. It features a 5.5-inch monochrome LCD with blue mode, touchscreen input, and DH485 communication for seamless integration with Allen-Bradley controllers. Its compact size and efficient design make it suitable for control panels where space and clear visualization are critical.
Key Features
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5.5-inch monochrome LCD with blue mode
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Touchscreen input with 128 touch cells (16 columns x 8 rows)
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Display resolution: 256 x 128 pixels
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Application memory: 170 KB runtime, 240 KB non-volatile RAM for objects, text, and bitmaps
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Communication: DH485 port for PLC connectivity
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Input voltage: 18–30V DC (24V nominal)
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Backlight LED rated for 100,000 hours
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Operating temperature range: 0–55°C (32–131°F)
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Heat dissipation: 20 W
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Discontinued product, series A or B
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: PanelView 550
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Part Number: 2711-T5A2L1
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Product Type: Standard Operator Terminal
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Display Size: 5.5 inches
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Display Area: 120 x 60 mm (4.75 x 2.38 in.)
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Touchscreen: 128 touch cells, 26 x 30 pixels each
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Application Memory: 170 KB runtime, 240 KB non-volatile RAM
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Input Voltage: 18–30V DC
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Communication Ports: DH485
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Operating Temperature: 0–55°C
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Heat Dissipation: 20 W
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Weight: 2.06 lbs (0.94 kg)
Application Scenarios
The 2711-T5A2L1 is ideal for:
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Compact control panels requiring operator interface
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Visualizing machine status and process data
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Integration with Allen-Bradley PLCs via DH485
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Upgrading or replacing legacy PanelView 550 systems
FAQs
Q: What is the display type and size?
A: Monochrome LCD, 5.5 inches with 256 x 128 resolution.
Q: Which communication protocol does it use?
A: DH485 for PLC connectivity.
Q: Can it handle application objects and bitmaps?
A: Yes, with 240 KB of non-volatile memory.
Q: Is this model still in production?
A: No, the 2711-T5A2L1 is discontinued and suitable for legacy system support.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.