Operating Instructions Chapter 5
CLV640 Bar Code Scanner
Installation
8011975/0000/2008-04-14 © SICK AG · Division Auto Ident · Germany · All rights reserved 45
5.3.3 Angle alignment of the bar code scanner
The bar code scanner is optimally aligned if the scanning line almost scans the lines of the
bar code in the right-hand angle (90°). Possible code positions that can occur between the
scanning line and bar code in all three levels in the room have to be taken into account.
Fig. 5-5: Line scanner: Reading angles that occurs between the scanning line and bar code
Tab. 5-1: Permitted reading angles between the scanning line and bar code
α Azimuth angle (tilt)
β Inclination angle (pitch)
γ Step angle (skew)
a Reading distance
b Reading range
Angle Threshold
Azimuth α (tilt) max. 30° (resolution 0.35 mm (13.8 mil), depending on the print
image)
Inclination β (pitch) max. 45° (depending on module width)
Step angle γ (skew) max. 45° (depending on module width)
α
β
γ
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