Product Details
Product Overview
The 2711-NL1 serves as the essential integrated replacement backlight for the Allen-Bradley PanelView 550 terminal series. This module restores full visual clarity to monochrome LCD displays that have dimmed or failed due to lamp exhaustion. Utilizing a high-output halogen source paired with fiber-optic illumination, the 2711-NL1 ensures uniform brightness across the operator interface. We provide this component as 100% Brand New original stock to guarantee immediate restoration of HMI usability in mission-critical control environments.
Technical Specifications
The 2711-NL1 features precise electrical and optical parameters to match the original PanelView 550 chassis requirements:
| Parameter | Specification |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Line | PanelView 550 |
| Display Support | Monochrome LCD |
| Light Source | Halogen |
| Illumination Method | Fiber-optic |
| Rated Voltage | 5V DC |
| Rated Current | 1A |
| Power Rating | 5W |
| Warm-Up Time | Instant |
| Duty Cycle | Continuous |
| Weight | 0.09 kg (0.19 lbs) |
Engineering Advantages
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Instant Illumination Restoration: The 2711-NL1 eliminates warm-up delays common in older lighting technologies. The halogen source provides full rated brightness the moment the terminal initiates power.
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Seamless Terminal Integration: This field-replaceable unit features a plug-in electrical interface. This design allows maintenance personnel to swap the backlight without unsoldering components or removing the entire HMI from the cabinet door.
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Fiber-Optic Light Distribution: The integrated fiber-optic assembly channels light evenly across the monochrome display. This prevents "hot spots" or uneven shadowing, ensuring operators can read critical alarm data from various viewing angles.
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Terminal-Controlled Dimming: The hardware supports native dimming commands from the PanelView terminal. This allows the system to reduce brightness during inactive periods, effectively extending the lamp's service life and reducing power consumption.
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Rugged Continuous Duty Cycle: Engineered for 24/7 industrial operations, the 2711-NL1 maintains consistent light output under continuous duty, preventing unexpected display blackouts during production shifts.
Maintenance & Installation Tips
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Safety First: Disconnect all power from the PanelView 550 terminal before attempting a backlight replacement to avoid electrical shock or damage to the HMI motherboard.
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Clean Handling: Avoid touching the halogen bulb surface with bare fingers. Skin oils can create localized heat concentrations that significantly shorten the lifespan of the lamp. Use clean gloves or a lint-free cloth.
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Alignment: Ensure the fiber-optic assembly seats fully into the display housing. Proper alignment maximizes light transfer and prevents internal glare within the bezel.
FAQs
Q: How do I know if my PanelView 550 requires a 2711-NL1?
A: If the terminal powers on and responds to touch/key commands but the screen remains dark or extremely dim, the backlight has likely reached the end of its life. The 2711-NL1 serves as the direct fix for this hardware failure.
Q: Does this backlight support the Color PanelView 550 terminals?
A: No. The 2711-NL1 specifically supports Monochrome LCD versions of the PanelView 550. Color terminals typically utilize different lighting technologies or CCFL tubes.
Q: Can I adjust the brightness of the new lamp?
A: Yes. The 2711-NL1 supports terminal-controlled dimming. You can adjust the intensity through the PanelView’s system configuration menu or via the application software to suit your ambient lighting conditions.
Q: Is this an LED upgrade or a standard halogen replacement?
A: This is the 100% Brand New original halogen-based assembly. It maintains the exact technical profile and fiber-optic compatibility of the factory-installed part to ensure 100% hardware compliance.
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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FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
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Hub vs Switch vs Router in Industrial Automation Architecture
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