Rockwell Automation 5370-CVIM2 Module - Manual (Page 164)

5 Chapter Chapter 6
Reference Tools
6–5
Y only
The Y only operation consists of a single reference line that lies along the
vertical (Y) axis of the image field. Y only is appropriate in applications
where workpiece shift is expected in the Y–axis, but not in the X–axis.
Figure 6.4 shows a Y only reference line detecting Y–axis workpiece shift
and applying Y–axis shift to a line gage.
Figure 6.4 Example: Using a Y Only Reference Line Operation
Workpiece:
nominal position
Line gage:
original position
Workpiece:
position after shift
Workpiece
shift
Y–axis
reference line
Y–axis
reference line
Line gage: with Y–axis
shift compensation applied
INSPECTED
POSITION
NOMINAL
POSITION