Gocator Line Profile Sensors: User Manual
Gocator Web Interface • 106
6. Save the job in the Toolbar by clicking the Save button .
7. Check that laser profiling is satisfactory.
After adjusting the setting, confirm that laser profiling is satisfactory.
Various settings can affect how the Material settings behave. You can use Video mode to examine how
the settings interact. See Spots and Dropouts on page 124 for more information.
Alignment
Gocator sensors are pre-calibrated and ready to deliver profiles in engineering units (mm) out of the box.
However, alignment procedures are required to compensate for sensor mounting inaccuracies, to align
multiple sensors into a common coordinate system, and to determine the resolution (with encoder) and
speed of the transport system. Alignment is performed using the Alignment panel on the Scan page.
Once alignment has been completed, the derived transformation values will be displayed under
Transformations in the Sensor panel; see Transformations on page 97 for details.
Alignment States
A Gocator can be in one of three alignment states: None, Manual, or Auto.
State Explanation
None Sensor is not aligned.
Profiles
are reported in default sensor coordinates.
Manual Transformations (
see on page 97
)
or encoder resolution (see on page 92)
have been
manually edited.
Auto
Sensor is aligned using the alignment procedure (see on the next page).
Alignment State
An indicator on the Alignment panel will display ALIGNED or UNALIGNED, depending on the Gocator's
state.
Alignment Types
Gocator sensors support two types of alignment, which are related to whether the target is stationary or
moving.
Type Description
Stationary
Stationary is used when the sensor mounting is constant over time and between
scans, e.g., when the sensor is mounted in a permanent position over a conveyor
belt.
Moving
Moving is used when the sensor's position relative to the object scanned is
always changing, e.g., when the sensor is mounted on a robot arm moving to
different scanning locations.
Alignment: With and Without Encoder Calibration
For systems that use an encoder, encoder calibration can be performed while aligning sensors. The table
below summarizes the differences between performing alignment with and without encoder calibration
calibration.
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