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Barcode Scanner VB12
Reading features
6.5
Reading diagrams
The following diagrams show the reading distance for barcodes with different
densities.
6.5.1 VB12-220 standard resolution
n
100
80
60
40
20
0
20
40
60
80
100
mm
Figure 6.3
Standard resolution
(0,0) is the center of the laser beam output window.
Conditions:
Code
PCS (print contrast signal) = 0.90
Pitch angle
Skew angle
Tilt angle
Subject to reasonable modifications due to technical advances.
24
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
0
20
40
60
80
100
0.20 mm
(8 mils)
= Code 2/5 interleaved or Code 39
= 0°
= 15°
= 0°
120
140
160
180
200
0.30 mm
>0.5 mm
(20 mils)
(12 mils)
220 mm
Copyright Pepperl+Fuchs, Printed in Germany
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