CLV63x Bar Code Scanner CLV63x Bar Code Scanner - Sick

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Installation Chapter 5 Operating Instructions 5.3.4 Avoiding surface reflections CLV63x Bar Code Scanner If the light of the scanning line(s) vertically meets the surface of the bar code, this can result in disruptive reflections when the bounced back light is received. To prevent this effect, the bar code scanner must be installed in such a way that the light emitted is tilted down relative to the plumb line. Fig. 5-6: Avoiding surface reflection using the line scanner as an example: Angle between emitting light and bar code (tilted away from the plumb line) 5.3.5 Counting direction of the reading angle and code angle The bar code scanner can scan and decode several bar codes with every read. The location-related reading diagnosis data is determined: • The reading angle from the reading window to the red scanning line of the deflected scanning beam under which the middle of a bar code is detected can be displayed as an RA (reading angle) value. • In addition, with the line scanner with oscillating mirror, the deflection angle of the scanning line under which the bar code scanner detects the bar code on the red scanning line can be displayed as a CW value. The determination of the RA/CW value enables identical bar codes (code type, code length and data contents) to be separated and the bar code data to be assigned to their position on the object. 44 © SICK AG · Division Auto Ident · Germany · All rights reserved 8011970/S345/2008-04-16
Operating Instructions Chapter 5 CLV63x Bar Code Scanner Installation Fig. 5-7: Counting direction of the reading angle RA within the scanning line and of the code angle CW with the oscillating mirror 8011970/S345/2008-04-16 © SICK AG · Division Auto Ident · Germany · All rights reserved 45
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CLV63x Bar Code Scanner CLV63x Bar Code Scanner - Sick

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