Program Examples (Shape And Positional Deviation Inspection) - Sharp IV-C35M User Manual

20-4 Program examples (shape and positional deviation inspection)

(1) Outline
The positional deviation measurement (one point search) in measurement 0 allows the degree of
match and coordinates to be measured, and the result, OK or NG, is output.
Reference image (registration No.0)
Shape NG
(degree of match NG)
Evaluation
condition
(acceptable
range)
(2) Output conditions and ladder circuit for measurement 0 using camera 1
When the X coordinate, Y coordinate and degree of match are within acceptable ranges, the
auxiliary relay C000 is turned ON.
00X0 00Y0
Coordi-
Coordi-
nate X
nate Y
(3) Final output conditions and ladder circuit
C119
C000
Measurement
OK
termination
C118
Measurement operation error
C117
Illuminance monitor error
Object to be measured
Positional deviation NG
(X coordinate, Y coordinate NG)
Coordinate (model 0-X): 200.0 to 250.0
Coordinate (model 0-Y): 150.0 to 200.0
Degree of match (model 0): +09500 to +10000
C000
00M0
Degree
of match
Y00
Y01
Y02
20-17
Reference image
registration window
Search area
OK
NG output
Measurement operation
error output
Illuminance monitor
error output
PC Function
20