![background image](http://html.mh-extra.com/html/sick/1016958/1016958_operating-instructions-manual_1264215045.webp)
Operating Instructions
Chapter
4
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20
©
SICK AG · Division Auto Ident · Germany · All rights reserved
4-9
Installation
The Terminal Emulator is launched and displays the reading result continuously (see
Chapter 6.5.2 Percentage evaluation, Page 6-41
).
Monitor the
reading quality (%)
during each of the subsequent steps!
Line scanner with oscillating mirror:
In the "Percent Evaluation" mode, the CLV490 behaves in the following manner:
– in "Oscillating" mode (default setting: oscillating with a fixed amplitude), the CLV490
shuts off oscillation and positions the scan line under the angle CW = 50 (corre-
sponds to an angle of deflection of 105
°
). This position cannot be altered.
– in "One-Shot" mode, the CLV490 also positions the scan line under the angle
CW = 50
– in "Set Position" mode, the scan line’s selected position remains unchanged.
Performing fine adjustment:
10. Align the CLV490 in such a way that the angle between the scan line and the bars on
the bar code CLV490 is almost 90
°
. The oscillating mirror must be aligned in such a
way that the scan line is located at the center of the bar code, perpendicular to the bar
code lines, when it is in the neutral position (CW = 50).
11. To avoid interfering reflections, tilt the line scanner away from the vertical axis so that
the light strikes the bar code at an angle of approx. 105
°
(see
).
12. If necessary, position the scan line exactly at the direct center of the bar code.
below.
13. Move objects carrying bar codes into the CLV490 reading field manually under realistic
conditions and check the reading result. If the objects are aligned randomly, or if the bar
code is located at different positions (angles), ensure that the limit values of the
permissible reading angles are not exceeded.
14. Adjust the CLV490 in such a way that the good read rate is between
70 ... 100 %
.
With event-controlled dynamic focus control, for each defined reading range (distance
configuration), check the selected focus position and correct the parameter settings if
necessary (see
Chapter 6.4.4 Guide to parameterization menu, Page 6-9
).
15. Tighten the screws on the CLV490.
The CLV490 is aligned with the bar code.
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW
WW
W
.100
Y.COM.TW