وصف
The 2711-NL1 is a replacement backlight lamp designed by Allen-Bradley for use with PanelView 550 operator interface terminals. This component is essential for restoring display brightness and screen legibility in legacy HMI units, allowing maintenance teams to address degraded lighting conditions before total display failure occurs. By performing proactive maintenance, operators can minimize unexpected downtime and maintain clear visibility of critical process data.
Features
- Engineered specifically for PanelView 550 terminals (Series G and below) and PanelView 550 Touch terminals (Series A only).
- Restores optimal screen luminance for improved operator interaction.
- Rated for a service life of 20,000 hours under standard operating conditions.
- Compact, industrial-grade design for straightforward field replacement.
Applications
This backlight lamp is intended for use in industrial control environments where PanelView 550 HMI units are deployed. It is a critical spare part for maintenance technicians responsible for the upkeep of legacy automation interfaces in manufacturing, processing, and utility facilities.
Technical Specifications
| Model |
2711-NL1 |
| Brand |
Allen-Bradley |
| Operating Voltage |
5 V |
| Current Draw |
1 A |
| Power Consumption |
5 W |
| Rated Bulb Life |
20,000 hours |
| Operating Temperature |
0 to 55 degC |
Installation Guidelines
- Ensure the PanelView terminal is fully disconnected from the power source before attempting to access or replace the lamp.
- Handle the replacement lamp with care; avoid touching the glass surface directly to prevent oil deposits that may affect thermal performance.
- Verify that the HMI terminal series (Series G and below for standard, Series A for Touch) is compatible with this specific lamp model before installation.
- Ensure the lamp is securely seated in the connector to prevent flickering or intermittent display issues.
- After installation, re-assemble the housing according to the original equipment manufacturer's service manual to maintain the integrity of the enclosure.
FAQ
Is this lamp compatible with all PanelView 550 models?
The 2711-NL1 is compatible with PanelView 550 terminals (Series G and below) and PanelView 550 Touch terminals (Series A only). Please check your specific unit's series label before purchase.
What is the expected lifespan of this lamp?
The rated bulb life is 20,000 hours under normal operating conditions within the specified temperature range.
