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SICK CLV490 Istruzioni per gli Interventi Pagina 178

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Chapter 10 Operating Instructions
CLV 490 Bar Code Scanner
10-56
©
SICK AG · Division Auto Ident · Germany · All rights reserved 8 008 796/0000/25-06-2002
Appendix
10.10 Discussion of a parameterization example
10.10.1 Application Conditions
•
Reading with the CLV 490’s autofocus function
•
Reading the packages from above
•
Barcode with lines running vertically on the top side of the package, tilt across from the
scan line:
±
30
°
•
Package height: 100 ... 600 mm, package width: 200 ... 550 mm, packages not guided
•
Conveyer velocity: v = 1 m/s, conveyer belt width: 600 mm
•
Object distance between packages: min. 300 mm
•
Barcode: 2/5 Interleaved, module width 0.4 mm, line length 15 mm, 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 barcode per package
•
Reading pulse is through a SICK photoelectric switch
•
Output of read results via the host interface
•
Parameterization of the CLV based on the factory defaults
Requirements:
•
Testing the application for feasability with the CLV 490 before buying, with the help of
the SMART calculation sheet (service provided by SICK)
•
Choice of CLV type: here standard density line scanner (CLV 490-0010)
•
No objects irrelevant for reading portruding into conveyor path
Tools:
•
Measuring tape (up to 3 000 mm)
•
Protractor (to set up the CLV)
•
A PC with Windows and the SICK software "CLV-Setup"
•
RS-232 interface (pin 2 and pin 3 crossed), e. g. no. 2 014 054
•
These operating instructions
10.10.2 Purpose of this discussion
•
To make important clarifications
•
To indicate the fitting location of the CLV
•
To point out the parameters to be set in the CLV-Setup user interface
10.10.3 Instructions for solution – step by step
Determine the reading range and CLV’s installation height over the conveyor belt
Determine the CLV’s distance measurement type
Mount the CLV
Parameterize the CLV
Test an application
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