Miniature Photoelectric Sensor

W4F是一个新的ASIC平台，可提供众多性能优势。它可以提供距离信息，例如对象的高度，结果，识别过程错误。初始用户已经证实了光电传感器在市场上具有最佳的环境光和阳光抑制以及对所有已知的光学干扰来源的最大免疫力。

蓝色导频操作概念与创新的监控选项相结合，使得传感器的配置和监控传感器比以往任何时候都能节省时间。传感器监控和诊断的IO-Link和新的智能功能会创建指向数字化机器和应用世界的链接。即使在为W4F打开的新应用程序中，W4F在最小的安装空间，可靠的切换行为和保证过程设置中提供了最大的性能。

下一代W4F具有高度坚固的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 significantly easier for users.

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Sensor manufacturer SICKhas achieved a significant performance boost for opto-electronic miniature sensors with the W4F, accomplishing up to a 47% greater working distance than the preceding product family of photoelectric proximity sensors and a 38% less black/white shift between the object and background. This also applies to the improved active detection of sources for optical interference in the vicinity of the machine environment, and the suppression of this interference. The high level of immunity to interference is achieved thanks to the integration of an additional diffuse LED which is a first for this type of sensor. The background suppression of the W4F, which is significantly superior to that of other models in the market, guarantees a continuous machine operation with no interference from the surroundings.

The foundation for this performance is the development of a new ASIC that enables both the two light-intensive pin-point emitter LEDs and the diffuse LED to be operated concurrently without any appreciable heating of the sensor. This avoids the risk of a temperature-related failure. The ASIC also directly digitizes the photocurrents of the reflected light at each pixel of the multipixel receiver. This enables the sensor to achieve not only a very high sensitivity but also a long sensing range and reliable detection behavior even for poorly reflecting object surfaces.

此外，ASIC的数字滤波器确保了今天市场上的最佳环境光镇压。这确保了可靠的过程。还可以收集附加的进程和诊断数据以及补充操作相关的信息，如温度和工作时间。W4F在市场上提供最多的功能和功能可靠性。用户受益于传感器的连续和无故障可用性以及机器的无故障运行。

下一代W4F产品组合包括两个传感器业务领域：光学标准和光学专家。传感器在光学标准business field have proven themselves in the field as space-saving and high performance allrounders for object detection. The sensors are a through-beam photoelectric sensor and a photoelectric retro-reflective sensor, each with a long sensing range as well as two photoelectric proximity sensors with background suppression. 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.