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Chapter
10
Operating Instructions
CLV490 Bar Code Scanner
10-60
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8009993/RA61/2007-07-20
Appendix
10.10 Discussion of a parameterization example
10.10.1 Application Conditions
•
Reading with the CLV490’s autofocus function
•
Reading the packages from top
•
Bar code with lines running vertically on the top side of the package, tilt across from the
scan line:
±
30
°
•
Package height: 100 to 600 mm (3.9 to 23.6 in), package width: 200 to 550 mm
(7.9 to 21.7 in), packages not guided
•
Conveyer velocity: v = 1 m/s, conveyer belt width: 600 mm (23.6 in)
•
Object distance between packages: min. 300 mm (11.8 in)
•
Bar code: 2/5 Interleaved, module width 0.4 mm (15.7 mil), line length 15 mm (0.6 in),
PR 2.5:1, Quality 3 or 4, 14 characters with test code (mod 10)
•
Do not read under plastic sheeting, do not use very dark packages
(spectral reflection > 20 %)
•
1 bar code per package
•
Reading pulse is through a SICK photoelectric switch
•
Output of read results via the host interface
•
Parameterization of the CLV490 based on the factory defaults
Requirements:
•
Testing the application for feasability with the CLV490 before buying, with the help of
the SMART calculation sheet (service provided by SICK)
•
Choice of CLV490 type: here standard density line scanner (CLV490-0010)
•
No objects irrelevant for reading portruding into conveyor path
Tools:
•
Measuring tape (up to 3 m (9.84 ft))
•
Protractor (to set up the CLV490)
•
A PC with Windows and the SICK software "CLV-Setup"
•
3-core RS-232 data cable (null modem cable), pin 2 and pin 3 crossed, e. g.
no. 2014054
•
These operating instructions
10.10.2 Purpose of this discussion
•
To make important clarifications
•
To indicate the fitting location of the CLV490
•
To point out the parameters to be set in the CLV-Setup user interface
10.10.3 Instructions for solution – step by step
¾
Determine the reading range and CLV490’s installation height over the conveyor belt
¾
Determine the CLV490’s distance measurement type
¾
Mount the CLV490
¾
Parameterize the CLV490
¾
Test an application
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