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Operating Instructions
Chapter
10
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20
©
SICK AG · Division Auto Ident · Germany · All rights reserved
10-61
Appendix
10.10.4 Important clarifications
¾
Sketch out the reading situation and enter the parameter values and variables for the
CLV490.
¾
Determine the reading range and installation height of the CLV490 above the conveyor
belt:
With a covered conveyor belt with a 600 mm (23.6 in) width, the CLV490 can read an
object at a distance of 600 mm (23.6 in) (according to the reading field diagram in
). For a reserve of an additional 100 mm (3.9 in) and a maximum
pakkage height of 600 mm (23.6 in), the resulting reading range of the CLV490 can be
set to 700 to 1,300 mm (27.6 to 51.2 in) from the reading window.
The CLV490 is to be mounted 1,400 mm (55.2 in) above the conveyor belt, as the pak-
kage must be at least 100 mm (3.9 in) high.
¾
For the required total field depth range of 600 mm (23.6 in), a height detection of the
focal position changeover is required.
10.10.5 Mounting and electrical connection
1.
Mount the CLV490 centered 1,400 mm (55.2 in) above the conveyor belt (vertically)
according to a)
, reading window facing downward.
2.
Align and screw in the CLV490 in a reading axis with the reading window at a 10
°
angle
against the required reading direction as shown in b)
The CLV490 can carry out a distance measurement from the front of the package to
the top of the package while it is in motion.
3.
Attach the pulse photoelectric switch and reflector to the conveyor belt so that there is
a distance of approx. 100 mm (3.9 in) between the photoelectric switch and the scan
line position on the package with the smallest height.
4.
Connect the CLV490 to the CDB420 or CDM490 connection module.
(
see
Chapter 5.2.3 Connections/cables for the CDB420 Connection Modules,
Chapter 5.2.4 Connections/cables for the CDM490 Connection
.
Fig. 10-44: Parameterization example: prepare a sketch of the reading situation
Y1
Y2
Z1
10
Z2
550
200
300
700
100
1400
600
LS
100
All values in mm
alpha = 270
°
beta = 10
°
b) Side view
a) View from the front
z coord.
y coord.
x coord.
mm
inch
100
3.94
200
7.9
300
11.8
550
21.7
600
23.6
700
27.6
1,400
55.2
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