Yes, industrial LED lighting can be linked to occupancy detection. Modern LED fixtures have control inputs and protocols that allow motion or occupancy sensors to directly activate, dim, or switch the lighting on or off. This applies to both simple standalone sensors and complex networked systems with central control. Below, you can read everything you need to know about this practical integration.
What types of presence detection are suitable for industrial environments?
Not every sensor works equally well in an industrial setting. The three most commonly used types are passive infrared (PIR), microwave, and ultrasonic. PIR sensors react to heat differences and work well in areas with clear traffic routes. Microwave sensors penetrate obstacles and are more reliable in environments with dust, steam, or high shelves. Ultrasonic sensors detect motion using sound waves and are effective in areas with complex geometries.
The choice strongly depends on the environmental conditions. In production environments with many heat sources, such as melting furnaces or drying plants, background heat disrupts the operation of PIR sensors. In that case, a microwave sensor is more reliable. In warehouses with high racks and limited sightlines, ultrasonic often performs better than PIR.
- PIR Sensors Suitable for offices, hallways, changing rooms, and areas without major heat sources
- Microwave sensors suitable for production areas, dusty environments, and areas with obstacles
- Ultrasonic sensors suitable for warehouses, parking garages, and spaces with complex layouts
- Combined sensors (dual-tech): Combine two detection methods for maximum reliability in demanding environments
For outdoor applications on industrial sites, weather-resistant sensors with high IP and IK rating necessary. Standard consumer sensors are not resistant to the mechanical stress, temperature changes, and chemical exposure found in heavy industry.
How does the technical connection between LED fixtures and sensors work?
The coupling takes place via a control input in the fixture or via an external relay. Upon detection, the sensor sends a signal that controls the LED fixture's driver to increase, decrease, or fully switch the light output on or off. This can be analog (0-10V or 1-10V), via DALI, or via wireless protocols such as Zigbee or DALI-2.
There are two basic architectures for integration:
- Standalone coupling The sensor is connected directly to the fixture or a group of fixtures. This is the simplest and cheapest solution, suitable for individual zones such as a warehouse or workshop.
- Network-controlled coupling Sensors are connected to a central management system (BMS or DALI network). This allows for group control, logging, and fine-tuning per zone, which is preferable in larger complexes.
The driver of an LED fixture plays a crucial role. Not every driver supports dimming or external control. Fixtures specifically designed for industrial use typically come with a DALI interface or a 0-10V control input. When replacing existing fixtures, it's wise to check this in advance to ensure sensors and fixtures are compatible.
What are the benefits of presence-controlled lighting in industry?
The most direct benefit is energy saving: zones that are not actively in use are automatically dimmed or switched off. In industrial environments with large areas, variable occupancy, and 24/7 operations, this can significantly reduce lighting energy consumption. Additionally, the lifespan of fixtures increases as operating hours are limited.
In addition to energy savings, there are operational benefits. In storage halls, parking lots, and outdoor areas, automatic activation ensures that employees always have sufficient light as soon as they enter a zone, without having to manually operate switches. This improves both safety and ease of use.
For organizations investing in sustainability and energy management, there are also financial benefits. Smart lighting in industry may qualify for tax schemes such as the Energy Investment Allowance (EIA), thereby shortening the payback period of the investment.
In welke industriële situaties werkt aanwezigheidsdetectie niet goed?
There are circumstances where presence detection is simply not the right choice. Consider production lines that run 24/7, rooms with extreme temperature fluctuations that mislead PIR sensors, or environments with heavy vibrations that cause false detection. In those cases, the advantage doesn't outweigh the management complexity.
Concrete situations where presence detection causes problems:
- Steel mills and smelters: Intense radiant heat structurally interferes with infrared sensors
- Climate chambers with extreme cold: Condensation and ice formation can damage or block sensors
- High-vibration environments Vibrations from heavy machinery can generate false detection signals
- ATEX zones Not all sensors are certified for explosive environments
- Zones with slow or minimal movement: operators who are idle during a work process may not be continuously detected
In these cases, it is advisable to combine presence detection with a minimum dimming level instead of turning it off completely, or to opt for alternative control strategies such as timers or daylight control.
What standards and safety requirements apply to sensor-linked industrial lighting?
Sensor-coupled industrial lighting must comply with general lighting standards for the relevant application, such as NEN-EN 12464-1 for indoor workplace lighting and EN 12464-2 for outdoor workplaces. These standards set requirements for minimum illuminance levels and uniformity, which must also be ensured when using presence detection.
An important consideration is the shutdown delay. Standards and practical safety require that lighting does not switch off immediately upon leaving a zone, but maintains an adjustable follow-up time. This prevents employees from suddenly being left in the dark, which poses a serious safety risk.
For specific environments, additional requirements apply:
- ATEX zones Sensors and fixtures must be ATEX certified for the relevant zone classification.
- Escape routes and emergency lighting: Presence detection must never affect emergency lighting or lighting on escape routes
- IP protection Sensors in dusty, humid, or corrosive environments must have the correct degree of protection.
When in doubt about the applicable standards for a specific project, professional lighting advice the most reliable route to meet both safety requirements and energy objectives.
When is presence detection the right choice for a lighting project?
The consideration is actually quite simple: the greater the difference between maximum and average occupancy of a zone, the greater the savings potential. Presence detection is the right choice when a space has fluctuating occupancy, energy saving is a concrete objective, and the environment does not structurally disrupt the reliable operation of sensors. This typically applies to warehouses, corridors, changing rooms, parking lots, loading docks, and outdoor areas of industrial sites.
A warehouse that is busy during the day but almost empty at night is an ideal application. A production hall that is continuously occupied barely benefits from presence detection but does benefit from daylight control or time-controlled dimming scenarios.
For complex projects on industrial estates Is an integrated approach the most effective: combine presence detection with daylight sensors and a central management system for maximum control and energy performance.
Examples from practice: DFDS Terminal Lighting
A good example of how smart lighting control works in practice is the project at DFDS. This terminal operates continuously, with varying occupancy of quays, lanes, and transshipment areas. The technical challenge lay in combining high lighting intensities for safe loading and unloading operations with efficient energy management outside of peak hours.
The environment placed high demands on the fixtures: exposure to salt, moisture, and mechanical stress from moving equipment required robust protection ratings. Standard commercial fixtures were therefore immediately ruled out. The chosen fixtures also had to be compatible with a control strategy that could automatically activate zones based on activity, without compromising the minimum required illuminance levels on escape routes and work areas.
An important lesson from this project: the switch-off delay and the minimum dimming level must be set individually per zone. Zones with moving traffic require a longer follow-up time than enclosed parking bays. Maintenance friendliness also proved to be an underestimated factor – luminaires in hard-to-reach positions must have a long lifespan to minimize interventions.
These lessons are directly applicable to any presence-controlled lighting project: don't just think about the sensor itself, but also about zone configuration, follow-up times, and the robustness of the fixtures in the specific environment. More examples of similar projects can be found on the projects page.
How JEL Products Helps with Presence-Based Industrial Lighting
JEL Products oversees the entire process, from lighting design to commissioning. Sensor integration is not an afterthought, but an integral part of a well-thought-out lighting plan that meets the specific requirements of the environment.
What JEL Products offers for occupancy-based lighting projects:
- Fixtures with integrated DALI and 0-10V control inputs for seamless sensor integration
- Technical advice on the correct sensor type per environment and application
- Lighting design that complies with NEN standards, even when using dimming strategies
- Guidance on subsidy and fiscal regulations for smart lighting investments
- Solutions for extreme environments where standard sensors and fixtures fail
Do you want to know if presence detection is suitable for your situation and which approach is most effective? Get in touch Contact JEL Products for specific, customized advice.