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Beckhoff News
Expansion for the complete Vision Unit Illuminated system
The VUI2000 series from Beckhoff is being joined by four new vision units. The Vision Unit Illuminated (VUI) is a compact unit comprising the camera, illumination, and focusable optics complete with liquid lens technology.
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All functional components of the VUI are encapsulated in a visually appealing anodized aluminum housing in protection class IP65/67. In addition to the existing models, the portfolio is now being expanded to include four devices featuring color or monochrome image sensors with resolutions of 2.3 MP or 3.1 MP in a 16 mm focal length.
The liquid lens used in all VUIs does not require any mechanically moving parts. The unit is calibrated at the factory so that focus adjustment can be carried out with a high degree of accuracy using real dimensions. The optimum choice and combination of lens position, aperture, and resulting depth of field ensures that the focus can be reliably adjusted in the distance range from 10 to 2000 mm, i.e., even beyond the optimum distance range for the illumination. Temperature-related changes in refractive power are reliably compensated for by means of continuous temperature measurement and a corresponding mathematical model.
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