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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.