Microscan MS-Q Imager Bedienungsanleitung PDF herunterladen (Seite 110)

Calculate FOV from Tables

High Resolution

For example, you have a Standard Resolution MS-Q that is reading a 0.45” symbol

width in the near field at 4”. You look across the 4” row to find a FOV width that’s

approximately twice your symbol size, 0.91. Your pixel width for this size is 512. Read

the Medium 2-dimensional symbol in

“Select Region of Interest”

on page 9-2 to

narrow your FOV accordingly.

Near Field

Focal Distance = 2.75” (70 mm) (Horizontal Angle = 21 degrees, Vertical Angle = 13 degrees)

Distance from

Tar g e t

FOV 1024 x 640

320 x

320

480 x

480

512 x

512

640 x

640

1024 640

in. mm

in. mm in. mm in. in. in. in.

0.5 13

0.19 5 0.11 30.060.09 0.09 0.11

125

0.37 9 0.23 60.110.17 0.18 0.23

1.5 38

0.56 14 0.34 90.170.26 0.27 0.34

251

0.74 19 0.46 12 0.23 0.34 0.36 0.46

2.5 64

0.93 24 0.57 14 0.28 0.43 0.46 0.57

2.75 70

1.02 26 0.63 16 0.31 0.47 0.50 0.63

376

1.11 28 0.68 17 0.34 0.51 0.55 0.68

3.5 89

1.30 33 0.80 20 0.40 0.60 0.64 0.80

4102

1.48 38 0.91 23 0.46 0.68 0.73 0.91

Far Field

Focal Distance = 4.5” (11 mm) (Horizontal Angle = 21 degrees, Vertical Angle = 13 degrees)

251

0.74 19 0.46 12 0.23 0.34 0.36 0.46

2.5 64

0.93 24 0.57 14 0.28 0.43 0.46 0.57

376

1.11 28 0.68 17 0.34 0.51 0.55 0.68

3.5 89

1.30 33 0.80 20 0.40 0.60 0.64 0.80

4102

1.48 38 0.91 23 0.46 0.68 0.73 0.91

4.5 114

1.67 42 1.03 26 0.51 0.77 0.82 1.03

5127

1.85 47 1.14 29 0.57 0.85 0.91 1.14

5.5 140

2.04 52 1.25 32 0.63 0.94 1.00 1.25

6152

2.22 56 1.37 35 0.68 1.03 1.09 1.37

6.5 165

2.41 61 1.48 38 0.74 1.11 1.18 1.48

7179

2.59 66 1.60 41 0.80 1.20 1.28 1.60

7.5 191

2.78 71 1.71 43 0.85 1.28 1.37 1.71

8203

2.97 75 1.82 46 0.91 1.37 1.46 1.82

8.5 216

3.15 80 1.94 49 0.97 1.45 1.55 1.94

9229

3.34 85 2.05 52 1.03 1.54 1.64 2.05

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 203 204

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