User Manual

Section 4 SETTING OF INSPECTION CONDITION
Section 4
Inspecting by Pattern (PATTERN)
63
ZFV-C
User’s Manual
Basic Setting Procedure
■ Teaching
The area to be inspected needs to be enclosed by a rectangular box, then teach it. The
selected image in the area is registered as the inspection reference (model).
Measurement is unstable when there are two or more of the same pattern. Register
unique pattern in the screen or restrict the search range.
Application and Setting Examples p.150
■ Adjusting the threshold level
Threshold values are adjusted to determine the range for OK judgment. Adjust the
threshold values referring to the current indicated measurement results. Adjustment of
the threshold values must be done in ADJ mode.
Setting item Range Details of Adjustment
Correlation
value
0 to 100 This is the lower limit of the correlation value with the teaching model. This
value or above is judged as OK.
Area value 0 to 999 Displayed when [COL JUGE] - [ON] is selected in the CUSTOM menu. “Area
of the largest color group” is registered as the reference area when teaching
is performed. Set the range for OK judgment with the registered area as
“100”.
SEARCH
OK
ABCDE
Inspection area
setting
Teaching
[ 60]
80
ABCDE
ADJ
RUNMENU
SEARCH OK
ABCDE
SEARCH OK
80
L: [ 80] H:[ 120] B
TH
● Adjustment of correlation
value
● Switching to ADJ mode
Correlation value
Measured
values
LEFT/RIGHT keys: Select upper limit/lower limit.
UP/DOWN keys: Change values.
● Adjustment of area value
Upper/lower limit
Measured
values
Lower limit Upper limit