Banner ABR 7000 Series - 9 Reading Features; FOV Calculation

9 Reading Features
9.1 FOV Calculation
Use the data in the following table to calculate the FOV for your application. Refer to
Figure 1 and the formula below.
Table 7: 7000 Models
Model Lens Type Offset
Distance (d
0
)
(mm)
Horizontal
Viewing Angle
Vertical
Viewing Angle
Diagonal
Viewing Angle
Min Reading
Distance
(mm)
ABR7106-xxE2 6 mm manual
focus
7 66° 55° 80° 35
ABR71L9-xxE2 9 mm Liquid
Lens Autofocus
14 40° 32° 50° 22
ABR7109-xxE2 9 mm manual
focus
11 41° 34° 52° 70
ABR7112-xxE2 12 mm manual
focus
4 32° 26° 40° 70
ABR7116-xxE2 16 mm manual
focus
5 24° 19° 30° 80
The viewing angle has a tolerance of ±1° depending on the reading distance.
FOV
x
= 2 [(d + d
0
) tan (α
x
/2)]
where:
FOV
x
= horizontal, vertical or diagonal field of view (FOV)
α
x
= horizontal, vertical or diagonal viewing angles
d = reading distance (in mm) from window surface to code surface
d
0
= offset distance (in mm) from center of lens to external window surface
FOV
Plane
α
d
d
0
Figure 104. Reading Distance Reference
Examples
The FOV for a ABR71L9-RSE2 at a reading distance of 200 mm is:
FOV
H
= 2 [(200 mm + 14 mm) tan (40°/2)] ≈ 156 mm
FOV
V
= 2 [(200 mm + 14 mm) tan (32°/2)] ≈ 123 mm
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