Datalogic Matrix 300N - 6 Reading Features; FOV Calculation

MATRIX 300N™ REFERENCE MANUAL
88
6
6 READING FEATURES
6.1 FOV CALCULATION
Use the data in the following table to calculate the FOV for your application, referring to
Figure 68 and the formula below.
Model
Lens Focus Type
d
0
Viewing Angle
Horizontal
Viewing Angle
Vertical
Viewing Angle
Diagonal
Min Reading Distance
mm
Matrix 300N 4x1-0xx
6 mm manual
7 mm
66°
55°
80°
35
Matrix 300N 4x2-0xx
9 mm software
14 mm
40°
32°
50°
22
Matrix 300N 4x3-0xx
9 mm manual
11 mm
41°
34°
52°
70
Matrix 300N 4x4-0xx
12 mm manual
4 mm
32°
26°
40°
70
Matrix 300N 4x5-0xx
16 mm manual
5 mm
24°
19°
30°
80
The viewing angle has a tolerance of  1° depending on the reading distance.
FOV
x
= 2 (d + d
0
) tan (
x
/2)
where:
FOV
x
= horizontal, vertical or diagonal FOV

x
= horizontal, vertical or diagonal viewing angles.
d = reading distance (in mm) from window surface to code surface
d
0
= offset (in mm) from center of lens to external window surface
FOV
plane

d
0
d
Figure 68 – Reading Distance References
Example:
The FOV for a Matrix 300 412-0xx 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