Industrial LED Backlights with Integrated Drivers
- High-intensity LED matrix for superior homogeneity in industrial backlighting
- Advanced HTTM technology for efficient thermal dissipation and long-term stability
- Compact anodized aluminum housing with flush top surface and bottom mounting
- Integrated driver supporting 24 Vdc input and PWM brightness modulation
- Robust M8 3-pin connector with vibration-resistant locking ring mechanism
- 24 Vdc remote control compatibility for seamless automated system integration
- Rigorous 48-hour burn-in testing to ensure maximum field reliability
Why Choose BL2 Series
- High-Density LED Matrix: Built-in integrated lens creates a direct and homogeneous light beam, with a special fixturing mask ensuring uniformity of LED mounting spacing across the entire emission area.
- RDM© Current Control: RODER Multi Driver technology automatically regulates LED current for consistent homogeneity and stability of light emission throughout continuous industrial operation.
- HTTM© Heat Dissipation: High Thermal Transmission Material between LEDs and housing keeps operating temperature constant, stabilizes brightness and significantly extends LED service life.
- Industrial M8 Connector: Threaded M8 connector with flexible grommet enables easy assembly, quick disconnection for maintenance and reliable cable management in constrained spaces.
- Reverse Polarity Protection: Internal circuits are fully protected against reverse polarity of supply voltage, preventing damage from incorrect power cable connection during installation.
Do you want help choosing the right product?
The BL2 series delivers high-intensity LED backlight illumination optimized for machine vision and automated optical inspection. Featuring a high-density LED matrix with integrated lens, these compact illuminators provide exceptional luminous uniformity for sub-pixel edge detection, dimensional measurement, and surface defect detection. The proprietary RDM© Multi Driver technology ensures automatic current regulation and light stability, while HTTM© thermal management extends LED operating life in continuous industrial use. With PWM dimming, 24 Vdc remote control, and an M8 vibration-resistant connector, the BL2 integrates seamlessly into OEM machine builders and robot-guided pick-and-place, pharmaceutical packaging inspection, and label verification systems.
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Why choose this family of illuminators ?
- High Density LED Matrix
High density matrix with uniform light distribution for precise backlight illumination in machine vision applications. - Industrial Connector
M8 threaded connector ensures secure assembly and quick disconnection for fast maintenance procedures. - Aluminium Enclosure
Anodised aluminium housing provides excellent heat dissipation from LEDs and superior structural rigidity. - 48H-Test Certificate
Each unit undergoes a 48-hour burn-in test cycle and ships with an individual test certificate guaranteeing product quality. - Reverse Polarity Protection
Internal circuitry protects against accidental polarity reversal of the supply voltage. - RDM© Internal Driver
Proprietary RDM technology ensures stable and uniform current distribution across the entire LED matrix. - High Efficiency LEDs
Latest-generation high-brightness LEDs deliver maximum luminous flux with minimal power consumption. - Industrial Design
Designed for integration in industrial vision systems and optical test benches, serving machine builders and system integrators. - HTTM© Technology
High Transmission Thermal Material channels heat away from LEDs, ensuring stable output and extended product lifetime.
Application notes
Backlight LED Illuminators: Guide to Silhouette Inspection
LED backlight illuminators are the standard choice for silhouette-based machine vision inspection. Placing the light source behind the object creates high-contrast silhouette images ideal for dimensional measurement, shape recognition, and defect detection on transparent, translucent, or opaque components. Uniform illuminance across the active area ensures accurate edge detection and reliable results with area scan and line scan cameras. Roder Vision backlight LED illuminators deliver consistent performance for high-speed production, supporting both continuous and strobe operation modes.
LED Backlighting for Dimensional Measurement and Precision Inspection
Precise dimensional measurement in machine vision requires uniform, high-intensity LED backlighting that creates sharp, high-contrast silhouettes of inspected components. Backlight illuminators eliminate surface texture interference, enabling accurate edge localization and sub-pixel measurement precision. Roder Vision LED backlights deliver flat, homogeneous illumination compatible with telecentric lenses and area scan cameras for reliable dimensional control. Applications include precision gauging of machined parts, stamped metal components, connectors, and pharmaceutical packaging where dimensional tolerances are critical for product compliance.
Backlight LED Illuminators for Shadow-Based Vision Systems
LED backlight illuminators create high-contrast shadow projections essential for silhouette and profile-based machine vision inspection. Shadow-based vision systems excel at detecting dimensional deviations, shape defects, and foreign objects on complex profiles and irregular surfaces. High-intensity diffuse backlighting ensures uniform illumination without hot spots, guaranteeing consistent measurement accuracy across the entire field of view. Roder Vision LED backlight solutions support continuous and strobe operation for reliable, non-contact inspection of component profiles on high-speed production lines.
Miniature LED Illuminators for Backlight on Very Small Objects
Miniature LED backlight illuminators enable high-resolution silhouette inspection of very small objects and micro-components requiring precise dimensional verification. Compact form factors allow integration in tight inspection spaces where standard backlights cannot fit. High-brightness LED backlights in small formats deliver uniform illumination for accurate edge detection on miniature electronic components, medical devices, micro-mechanical parts, and pharmaceutical tablets. Roder Vision miniature backlight solutions combine high optical performance with flexible mounting for demanding quality control on micro-scale production lines.
Typical applications
- Dimensional Measurement – High-uniformity backlight enables sub-pixel precision in part sizing tasks.
- Profile and Shape Detection – Uniform transmission reveals silhouettes for accurate shape verification.
- Sub-pixel Edge Analysis – Dense LED matrix provides even contrast for precise edge detection algorithms.
- Container Fill-Level Monitoring – Transparent backlight inspects liquid levels in clear packaging containers.
- High-Speed Object Counting – Fast PWM control supports rapid counting of parts on conveyor systems.
- Surface Defect Detection – Consistent illumination highlights cracks and surface irregularities on parts.
- Automated Optical Inspection – Stable homogeneous light improves AOI accuracy on PCBs and flat surfaces.
- Label and Marking Verification – Even backlight supports OCR and barcode reading on product labels.
- Robot-Guided Pick and Place – Precise brightness control supports robotic arm vision feedback systems.
- Pharmaceutical Packaging QC – Reliable backlighting verifies blister pack integrity and fill status.
Frequently Asked Questions
The BL2 integrates RDM (RODER Multi Driver) automatic current control, ensuring exceptional homogeneity and stability. Combined with HTTM thermal management, it maintains consistent output during continuous operation, essential for high-accuracy dimensional measurement and sub-pixel edge analysis.
BL2 backlights range from 50x50mm to 300x300mm, covering compact and mid-size inspection areas for diverse industrial vision and quality control applications.
Yes. The BL2 features a compact anodized aluminum housing with a flush top surface and bottom mounting points. The 100mm flexible M8 pigtail connector ensures secure vibration-resistant connection even in tight machine spaces.
The BL2 driver supports 24 Vdc power input with PWM brightness modulation and industrial 24 Vdc remote control compatibility, enabling seamless integration into PLC-driven automated production lines.
Each BL2 illuminator undergoes rigorous 48-hour operational burn-in testing. The HTTM thermal material keeps LED junction temperatures stable during continuous use, preserving brightness and color consistency throughout the product lifespan.
More information and contacts
Systems and Sensor Integration Partners : www.roder.it
Artificial Vision Division : www.rodervision.com
More information about RODER VISION : about us
Contact for general information : info@roder.it
The information on this website is provided for information purposes only. Although it has been prepared with the utmost care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.