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Sick launches new laser distance sensor and infrared camera

05 July 2015

Sick's DT50-2 PRO laser sensor offers high resolution object profile detection over distances of up to 30m, while its new V300 infra-red vision camera offers a reliable Type 3 alternative to a safety guard light curtain.

With its patented time of flight technology, the DT50-2 PRO family of sensors provides resilient performance in spite of challenging environmental conditions such as mechanical stresses, strong ambient light or extreme temperatures.

The range is up to 10m for a black object and up to 30m for a white object. The sensor's ability to detect simple profiles is combined with scanning up to 3,000 times a second to ensure consistency even with rapidly-moving objects. Multiple sensors can be used in proximity to each other due to anti-cross talk algorithms which prevent mutual interference.

The metal-housed unit offers IP67 protection and an operating temperature range from -40°C to +65°C. A weather hood accessory is available to shelter the sensor, as is a water-cooled model with heat-resistant glass for extreme heat applications.

The SICK DT50-2 PRO on-board display features a push button, easy set up menu structure for rapid and intuitive selection of switching mode and object teach-in, including comparison to a reference object for basic sorting tasks.

Field modules are available enabling connection to fieldbuses such as Profibus, ProfiNet, Ethernet/IP and EtherCat. This provides space saving at the sensor installation, and better value as multiple sensing connections can be connected to one field module.

You can watch a short video clip of the device in action here.

Infra-red camera

Also new from Sick is the V300 infra-red vision camera, which offers a convenient and reliable Type 3 alternative to a safety guard light curtain in production and warehouse environments.

The ISO 13849-1 PLd compliant and competitively-priced SICK V300 has a resolution of 20mm and is suitable for protection of areas up to 1.5m by 1.5m, or more if synchronised as a multi-device unit.

The SICK V300 safety camera is an infra-red based scanner with a camera chip system that detects light reflected from a strip of reflective tape mounted opposite which defines the protected field. The 110° field allows full coverage of an opening up to 1.5m by 1.5m with a field depth of about 10° either side for additional coverage, enabling optimal positioning while still offering protection without blind spots. 

The flexible reflective strip is self-adhesive, so can be easily contoured to allow for discontinuities such as steps, cable runs or housings, or even curves and round shapes such as rotary table housings. The protected field no longer has to be rectilinear, as with light curtains, and could facilitate new designs of safety guarding.

The 20mm resolution is sufficient to detect human intrusion to hand size and the response time of 20 milliseconds provides excellent margins for stopping machinery safely. The V300 is easy to set up once the device is positioned opposite the reflective tape, one press of the teach-in button will make the field operable.

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