SICK CLV490 Instrukcje Operacyjne Pobierz pdf (Strona 228)

Chapter 10 Operating Instructions

CLV490 Bar Code Scanner

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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