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Jul 18, 2020

Conveyor collision avoidance with safety laser scanners

The safety laser scanner installed in the curve can be used to protect people, protect the dangerous area and avoid collision, so as to meet the installation requirements on the overhead conveyor track, the safety laser scanner can also measure the distance to the front suspension trolley, 270° The scanning angle can be scanned and measured, and the flexible protection area can easily achieve further requirements, and gradually reduce the speed until it stops completely.

 

Comprehensive application analysis of the application of safety laser scanners for curved overhead conveyor tracks, combined with technical characteristics and typical product recommendations:

Safety laser scanners installed in curves can be used to protect personnel, protect dangerous areas and avoid collisions to meet the installation requirements on overhead conveyor tracks. Safety laser scanners can also measure the distance to the front suspension trolley. The 270° scanning angle can be used for scanning and measurement. The flexible protection zone can easily achieve further requirements and gradually reduce the speed until it stops completely.

270° wide-range scanning and dynamic monitoring

Products such as CYNDAR XD-TOF-05D and XD-TOF-10H support 270° scanning angles, which can cover the monitoring needs of complex paths on curved tracks. The distance of the suspension trolley is tracked in real time through laser ranging technology, and the error range is controlled within ±3cm to ensure accurate positioning in dynamic environments.

Flexible protection zone configuration and dynamic speed regulation

Supports custom protection zone and warning zone shape and range (such as XD-TOF-05D can set 3 independent zones), and realizes speed adaptive adjustment with software input. For example, when an obstacle is detected, the system can trigger deceleration in stages until it stops, avoiding mechanical shock caused by an emergency stop.

Safety distance calculation and compliance

Keyence provides a detailed safety distance calculation tool. The protection area boundary needs to be set comprehensively based on the track speed, equipment response time (such as 60ms5) and local safety standards (such as ISO 13849) to ensure compliance with the grade certification.

 

Recommended models and typical applications
 

 

XD-TOF-05D series

Advantages: high precision (laser wavelength 905nm), IP65 protection level, support 0.5-5m protection radius.
Scenario: suitable for indoor conveying systems that need to be seamlessly integrated into production lines and have a lot of environmental dust.

CYNDAR XD-TOF-05D

Advantages: 275° scanning angle, 5m protection range, 4 devices can be connected in series to expand the monitoring area.
Scenario: suitable for intelligent warehousing systems with multi-AGV collaborative operations, and centralized control with PNOZmulti controllers.


Advantages: Supports 16 groups of area switching, response time 80ms.
Scenario: Multi-task conveying scenario that requires frequent switching of protection mode.
 Implementation points
Installation position: The scanner needs to be installed perpendicular to the track plane, and the height is adjusted according to the suspension size of the trolley (such as CYNDAR XD-TOF-05D is recommended to be 0.5m from the bottom surface).

Maintenance strategy: Regularly calibrate the light source and reflector to avoid strong light interference (such as incandescent lamps need to be controlled within 5000Lux).

 

 

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3. Can you arrange the shipment?

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