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Enhancing Roller Shutter Door Safety with the BEA LZR-Safety Sensor

9th September 2024

Enhancing Roller Shutter Door Safety with the BEA LZR Sensor

Roller shutter doors are a popular choice for industrial environments due to their durability and space-saving design. However, ensuring these doors operate safely, especially in high-traffic areas, is a significant challenge. The BEA LZR sensor offers a cutting-edge solution to enhance safety and prevent accidents, such as collisions with doors, by providing advanced detection and monitoring capabilities. This blog post explores the features, benefits, and real-world applications of the LZR sensor for roller shutter doors.

BEA LZR Safety Sensor

Understanding the LZR-I30 Sensor

The LZR is a high-performance LASER scanner designed to enhance the safety of industrial doors and gates. It utilises Time-of-Flight technology to create a three-dimensional detection zone, which accurately monitors the area around the door. The sensor provides comprehensive safety coverage by detecting objects, vehicles, or pedestrians, ensuring the door does not close on any obstacles.

Key specifications of the LZR sensor include:

  • Detection Technology: LASER, Time-of-Flight
  • Detection Mode: Motion and Presence
  • Maximum Detection Range: Up to 30 meters, adjustable via remote control
  • Power Supply: 10 – 35 VDC
  • Degree of Protection: IP65, ensuring reliability in various industrial environments
  • Relay Outputs: 2, for versatile integration with door control systems


LZR Safety Sensor

The LZR IP65 rating means it is protected against dust and low-pressure water jets, making it ideal for indoor and outdoor use. The sensor's capability to be mounted above ground further reduces the cost and complexity of installation compared to traditional safety systems​.

Benefits of the LZR Sensor

  1. Increased Safety and Efficiency: The LZR creates a virtual safety curtain around the roller shutter door, preventing accidents by detecting objects, vehicles, or pedestrians in the door's path. This capability is critical in high-speed industrial settings, where doors must operate efficiently without compromising safety. For example, the sensor has been instrumental in reducing door strikes in fire stations, where rapid response times are essential​.
  2. Enhanced Operational Awareness: The LZR sensor provides real-time monitoring of the door area. When paired with a warning system, such as an LED indicator strip, it communicates the door's status clearly and effectively. In the case of the Zero Strike System developed by Florida Dock and Door, the sensor works alongside a 10-foot LED strip that changes colors to indicate the door's condition (red for door in motion, blue for interference or obstacles, and green for safe passage).
  3. Cost and Time Savings: Traditional safety solutions, like pressure-sensitive edges or ground loops, often require extensive modifications, such as cutting into floors. The LZR-I30 eliminates the need for such invasive installations, significantly reducing both time and costs. Its quick and straightforward installation process allows businesses to maintain their operational efficiency without prolonged downtime.
  4. Compliance with Safety Standards: The LZR sensor is compliant with UL 325, a standard for door, gate, and window operators. This compliance ensures that installations meet stringent safety requirements, providing peace of mind for businesses concerned about regulatory adherence.


Real-World Application: Reducing Door Strikes in Fire Stations

A prime example of the LZR effectiveness is its use in the Zero Strike System. Fire stations often face challenges with door strikes due to the urgency of emergency responses. The LZR sensor, combined with a warning indication system, has dramatically reduced these incidents by providing a clear, real-time alert to firefighters as they exit the station.

Since the implementation of the Zero Strike System in late 2015, over 200 fire station doors have been upgraded, with only one reported door strike incident since the upgrade. This impressive track record showcases the sensor's ability to enhance safety and minimise costly damages.

Common Issues and Maintenance Tips

While the LZR offers numerous benefits, users may encounter a few common issues:

  1. Environmental Interference: Dust, fog, or direct sunlight can sometimes interfere with the sensor's detection capabilities. Regular cleaning of the sensor's front screens and proper positioning away from direct light sources can help mitigate these issues.
  2. Power Supply Problems: Ensure that the sensor is properly connected to a stable power supply within the specified voltage range (10-35 VDC). Irregular power supply or voltage spikes can cause the sensor to malfunction or shut down.
  3. Misalignment of Detection Field: Objects or obstacles within the detection field, such as stray equipment or debris, can cause false detections. Regular inspections and adjustments using the remote control can help maintain optimal sensor performance.
  4. Remote Control Access Issues: The sensor locks remote control access after 30 minutes of inactivity to prevent unauthorized changes. Resetting the power supply restores access, but users should ensure they complete adjustments promptly to avoid delays​


Summary

The BEA LZR sensor is a state-of-the-art solution designed to improve safety and efficiency for roller shutter doors in industrial environments. Its advanced detection capabilities, easy installation, and compliance with safety standards make it an ideal choice for businesses seeking to minimize risks and enhance operational safety. Whether used in a fire station or a busy warehouse, the LZR proves its value as a reliable and cost-effective safety measure.

For more information about the LZR sensor and its applications, visit BEA Sensors.

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