Compensating For Position Offset (Position Compensation Items) - Omron FQ2-S Series User Manual

Parameter
Common (common Range: 0 to 255
RGB setting) Defaults: Lower limit: 0, Upper limit:
255
Individual (individual Range: 0 to 255
RGB settings) Defaults: Lower limit: 0, Upper limit:
255
Brightness range (for Range: 0 to 255
Sensors with Mono- Defaults: Lower limit: 0, Upper limit:
chrome Cameras) 255
Measurement Data That Can Be Used for External Outputs and Calculations
The following values can be used as measurement data and output to external devices via Ethernet or used in
calculations. Measurement data can be specified for each filter item.
Expression text string Data name
JG Judgement

Compensating for Position Offset (Position Compensation Items)

Use position compensation items if the position or orientation of the measurement object is not consistent.
When you use a position compensation item, the offset between the reference position and the position of the
object is calculated and the position of the measurement region is corrected before measurements are
performed.
Applicable Position Compensation Items
There are three position compensation items as indicated below. These items vary by detection method.
Type
Model (model position compensa-
tion)
Edge position comp. (edge position
compensation)
Numerical position compensation
FQ2-S/CH User's Manual
Setting
Set the upper and lower limit values of the background suppression level.
The same limits will be used for all RGB colors.
The range from the specified lower to upper limits is converted to 0 to
255.
Set the upper and lower limit values of the background suppression level
for each RGB color.
The range from the specified lower to upper limits is converted to 0 to
255.
The specified range is converted to 0 to 255.
Description
This is the judgement
result.
A search is made for a characteristic pattern to detect and correct the position.
• Shape Sear. pos. comp. (Shape Search Position Compensation)
• Search position comp. (Search Position Compensation)
The color distribution or density changes in the object are used to detect and correct the position.
• Edge position comp. (Edge Position Compensation)
• 2Edge position comp. (Two-edge Position Compensation)
• 2Edge midpoint comp. (Two-edge Midpoint Compensation)
• Edge rot. pos. comp. (Edge Rotation Position Compensation)
Position is corrected based on entered values.
• Position comp. (Image rotation, Parameter)
Description
Data range
−2: No judgement (not measured),
0: Judgement is OK,
−1: Judgement is NG
Description
Adjusting the Images That Were Taken
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