Lastek: Photonics Technology Solutions

The Lasermet ICS-6 “ELISe” Expandable Laser Interlock System (to achieve performance level ‘e’) is designed to achieve EN ISO 13849-1 PLe. It is housed in a similar unit to the ICS-5, which is the most popular Laser Interlock Control System designed and manufactured by Lasermet, but the expandable ICS-6 has, as one of its options, remote monitoring.

This compact, versatile unit can control laser interlocks, door locks, illuminated warning signs and other equipment. It can operate beam shutters and the laser power with feedback monitoring and fault detection. It can be interfaced to Access Control and Fire Detection Systems and is fitted with an Override to allow controlled access through interlocked doors while also accepting emergency stop inputs.

The ICS-6 provides even higher levels of safety and functionality and has full start-to-end dual channel architecture and fault detection to meet the latest standards.

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This photograph shows three enclosures housing a 16kW fibre laser which is distributed to three robots - one in each separate room within the enclosure. ICS-15XM Laser interlock controllers can be seen adjacent to the doors.

The Laser Jailer active laser guarding system combines an inherently fail-safe laser detection technique and Lasermet's proven laser interlock control system technology to create an active laser guarding system which is fail safe to Machinery Directive Standard EN13849-1.

The system is designed to contain a high powered laser beam in a laser enclosure which is smaller and lighter than would otherwise be necessary. It comprises of an outer passive enclosure and an inner active enclosure made up of detector tiles which are connected to Lasermet's ICS interlock system.

Lasermet's fail-safe technology isolates the laser safety input in less than 50ms. The laser machine responds to this laser termination signal and laser radiation is terminated – the actual laser termination time being dependent on the laser machine in use.

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The Lasermet LS-20 Laser Safety Shutter is intended to provide a means of preventing accidental exposure to a potentially harmful laser beam. It has been designed to form part of a high-integrity safety system and features a gravity-close blade and force-disconnect proving contacts. When closed, the shutter deflects the incoming laser beam onto an internal beam dump where the energy is converted to heat which is dissipated in the aluminium casing of the shutter. When the shutter is open, the laser beam passes through the shutter without interruption.

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Lasermet Interlock Systems enable organisations to comply with best practice when providing laser users with a safe environment in which to operate hazardous lasers. Designed for maximum safety and efficiency, these Interlock Systems are configured to provide automatic shut-off of the laser beam if safety doors, covers or blinds are opened.

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