Mini photoelectric sensor
SICK is launching its latest generation of miniature photoelectric sensors, the W4F. An ASIC platform delivers numerous performance advantages to this product family. For example, these sensors can detect jet black, highly reflective, flat, or transparent objects reliably. The W4F can also provide distance information, such as the height of objects and, as a result, identify process errors. The photoelectric sensors have ambient light and sunlight suppression as well as immunity to all known sources of optical interference.
The Blue Pilot operating concept combined with the innovative monitoring options make configuring and monitoring the sensors easier, which saves time during commissioning. IO-Link and new smart functions for sensor monitoring and diagnostics create the link to the digitalized machine and application world. The W4F provides maximum performance in small installation spaces, reliable switching behavior and a guaranteed process setup, even in the new applications that open up for the W4F.
The next generation W4F with its highly rugged Vistal® plastic housing offers sensor functions and performance characteristics that were previously only available in the larger W16 and W26 product families from SICK. The Blue Pilot operating concept has been implemented in the W4F. The next generation of miniature photoelectric sensors offer the same look and feel – a consistency that makes operating and commissioning sensors easier for users.
Two light-intensive pin-point emitter LEDs and the diffuse LED operate concurrently without any appreciable heating of the sensor. This avoids the risk of a temperature-related failure. Directly digitizing the photocurrents of the reflected light at each pixel of the multipixel receiver enables the sensor to achieve high sensitivity with a long sensing range and reliable detection behavior even for poorly reflecting object surfaces.
One of the photoelectric proximity sensors offers an exceptionally concentrated light beam and point geometry (narrow beam). This enables the sensor to also detect jet black objects with a remission of less than one percent.
With the help of its laser-like light spot, its V-optics, and its specially tailored optics design, the V-Optics variant can reliably detect even the most reflective or transparent objects such as wafers or displays. To precisely detect thin objects or labels, SICK offers a photoelectric proximity sensor with two LEDs and a high-performance foreground suppression.
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