Gocator Line Profile Sensors: User Manual
Gocator Web Interface • 107
With encoder calibration Without encoder calibration
Target Type Calibration
disk or calibration
bar Flat surface or calibration bar
Target/Sensor Motion Linear motion Stationary
Calibrates Tilt Yes Yes
Calibrates Z axis Offset Yes Yes
Calibrates X axis Offset Yes Yes (Calibration bar required)
Calibrates Encoder Yes No
Calibrates Travel Speed Yes No
See Coordinate Systems on page 49 for definitions of coordinate axes. See Calibration Targets on page
26 for descriptions of calibration disks and bars.
See Aligning Sensors below for the procedure to perform alignment. After alignment, the coordinate
system for laser profiles will change from sensor coordinates to system coordinates.
Aligning Sensors
Alignment can be used to compensate for mounting inaccuracies by aligning sensor data to a common
reference surface (often a conveyor belt).
To prepare for alignment:
1. Choose an alignment reference in the Manage page if you have not already done so.
See Alignment Reference on page 76 for more information.
2. Go to the Scan page.
3. Choose Profile or Surface mode in the Scan Mode panel, depending on the type of measurement
whose decision you need to configure.
If one of these modes is not selected, tools will not be available in the Measure panel.
4. Expand the Alignment panel by clicking on the panel header or the button.
5. Ensure that all sensors have a clear view of the target surface.
Remove any irregular objects from the sensor's field of view that might interfere with alignment. If
using a bar for a dual-sensor system, ensure that the lasers illuminate a reference hole on the bar.
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