User's Manual

14
Opticon
PX-20
Specifications Manual
MRD : 32% and higher
(70% or higher reflectivity of space and quiet zone)
Distance
: 130 mm from the front edge of the camera module
Bar Code Sample
: UPC specified in Chapter 8. (Resolution: 0.33 mm, PCS: 0.3)
Bar Code Sample : The above codes specified in Chapter 8
Distance
: 100 mm from the front edge of the camera module
Angle
: α = 0°, β =
＋
15°, γ = 0°
Curvature
: R = ∞
For the pitch angle and tilt angle measurement, set the skew angle β = +15°
Bar Code Sample
: 0.20 mm Code 39 specified in Chapter 8
Distance
: 160 mm from the front edge of the camera module
Angle
: α = 0°, β =
＋
15°, γ = 0°
Curvature
: R = ∞
Figure 3: Scan Area and Depth of Field
8.3. Print Contrast Signal
PSC 0.3 or higher
<Conditions>
MRD = Minimum reflectance of white bar - Maximum reflectance of black bar
PCS = Error!
8.4. Minimum Resolution
1D Code : 0.127 mm (5 mil) Code 39 specified in Chapter 8
GS1-Databar : 0.169 mm (6.7 mil) GS1 Databar-Limited specified in Chapter 8
Stacked Code : 0.169 mm (6.7 mil) PDF417, GS1 Databar-Limited Composite specified in Chapter 8
2D Code : 0.212 mm (8.4 mil) OR Code and Data Matrix specified in Chapter 8
<Conditions>
8.5. Wide Bar Code
Code 39 with width of 100 mm and resolution of 0.2 mm can be read.
<Conditions>
Figure 4: Wide Bar Code