Festo SBSi - Barcode Detector

Page 136 Vision Sensor SBSI/SBSC-EN, 8062650 - 1607b - 13/09/2016
Vision Sensor Manual
4.6.3.9.4 Caliper results / Histogram display
Fig. 134: Caliper results / Histogram display
Parameter Function
Probe (x)
Image of probe (x) with:
- Green line: detected overall result edge
- Green crosses: detected edge transition per search ray
- Light blue zone: display of “Selected search ray”
Edge strength
Histogram with:
- Blue line: contrast gradient in image, depending on “Selected search ray”
- Red line: required contrast for edge detection (Threshold)
- Light blue line: detected edge transition, depending on “Selected search ray”
Fit, “+”, “-“ Fit or zoom of “edge strength” histogram
Selected search
stripe
Selection of search stripe to be displayed in “Probe (x)” image
- Winner: winner search stripe (depending on settings in “Distance/Distance
mode”)
- “1, 2, ..” Number of search stripe
4.6.3.10 Barcode detector.
Next topic: 2D Code detector (Page 144)
Barcode detector, tab Reference string (Page 138)