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Alignment
304
Vision System FH/FZ5 Series
User’s Manual (Z340)
Using Alignment
●
Calibration
The Camera and external device both have their own coordinates, so it is necessary to calculate the
relationship of the coordinates of the Camera and the external device in advance. This process is called
calibration
.
The FH/FZ5-series Controller uses the external device to move the workpiece and measure it. This is
repeated to calculate the calibration parameter.
●
Alignment: Aligning the Position of the Workpiece
The image taken by the Camera is used to measure the position of alignment marks on the workpiece, or the
position of specific features of the workpiece (such as corners) in Camera coordinates (pixels). The
calibration parameter that is calculated in the calibration flow is used to convert the measured position into
the coordinates of the external device. Finally, the axis movement that is required to match the measured
position to the reference position angle is calculated and output to the external device.
Sensor Controller
PLC
: Stage coordinates
: Camera coordinates
Association
(Execution of calibration)
Stage
Camera 1
Camera 0
Camera 1
Camera 0
Sensor Controller
PLC
Alignment calculations
Reference calibration data
Result output
Movement command to reference position
Stage
Calculation and
output of the required
axis movement
Содержание fh-1 series
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