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V- 28 Programming Manual Part V Other Function Step17: After 10 OK PCB sampled, ECD mode will be automatically switched from Sampling to Inspection . NOTE If Shift Inspection Mode Automatically of Parameter Setting shown…
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Programming Manual
Part V Other Function
Step16: Start sampling. Scan 10 OK PCBs. The dialog shown in Figure 2-19 appears. Press OK.
The number of sampled PCB is displayed in Figure 2-20.
NOTE
The number of sampled PCB can be set in Shift Inspection Mode Automatically of
Parameter Setting shown in Figure 2-3.
NOTE
To initialize sampling data, press Setting in Figure 2-20. The dialog shown in Figure 2-21
appears. Press OK. The dialog shown in Figure 2-20 appears. Press Sampling. Proceed
from Step10.
Figure 2-19 Monitor Mode
Figure 2-20 Setting Mode
Figure 2-21 Switch to Setting Mode
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Programming Manual
Part V Other Function
Step17: After 10 OK PCB sampled, ECD mode will be automatically switched from Sampling to Inspection.
NOTE
If Shift Inspection Mode Automatically of Parameter Setting shown in Figure 2-3 is
unchecked, press Inspection after completing sampling of OK PCBs.
Figure 2-22 Inspection Mode
Step18: Scan sample NG PCB and make sure that extra components are detected properly. If extra components
are detected, a red square frame is displayed in detection area. If any extra components are not detected
or these are many false calls, press Manual to stop auto inspection. Refer to Part V 2.3 ECD Debug.
Figure 2-23 Inspection of NG PCB
Figure 2-24 Detect Extra Component
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Programming Manual
Part V Other Function
2.3 ECD Debug
If any extra components are not detected or there are many false calls, adjust parameters.
Step1: Right-click the red square frame and the dialog shown in Figure 2-25 appears.
Figure 2-25 ECD Debug
Item Description
num The number of NG area is displayed.
max
The number of pixels of the largest NG area is displayed.
If value of Size in Statistical Process is larger than value of max, judged as noise. The noise
is not inspected.
min
The number of pixels that shows area of smallest NG area is displayed.
stdev matching
Surround a NG area by a circumscribed quadrangle and calculate the following formula:
stdev matching =
(Circumscribed quadrangle area − NG area) / Circumscribed quadrangle area
If a Stdev value in Template Matching Process is bigger than a stdev matching value, the
NG area is not detected as an extra component.
relation matching
Calculates matching percentage of inspection PCB image and template image. If value of
Relation Matching in Template Matching Process is larger than value of relation matching
in the upper side of the dialog, the NG area is not detected as extra component.
Table 2-6 ECD Debug 1
Item Description
Current Image Detected extra component image is displayed.
NG Points
NG pixel is displayed in red.
Template Image
The latest sampled image is displayed as template image.
Table 2-7 ECD Debug 2