7
Robot Controller Settings
Calibration Setting
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7.2.
Calibration Setting
Calibration is a function that converts the vision sensor coordinate system into the robot coordinate system.
This calibration work is necessary for recognizing what position in the robot coordinate system the recognized
work is at. If this setting is not made, the coordinates for work recognized by the vision sensor display the
results in the sensor coordinate system.
This section explains calibration work using MELFA-Vision.
(1) Prepare the equipment used in calibration work.
Prepare four marking labels (copy the marking sheet in the appendix, align it with the image field
of vision and make enlarged and reduced copies) and the calibration jigs (for example a hand
with sharpened tip for specifying the center of the marking label with the robot).
(2) Set MELFA-Vision to a live image.
From the MELFA-Vision menu, click [Sensor] – [Live Mode] or from the MELFA-Vision tool bar,
click
to put MELFA-Vision into live image mode. Check that
sinks.
(3) Adjust the mark positions so that four marking labels for calibration fit in the screen. Here is an
example in the appendix marking sheet is placed. Here, the four marks are set to be marks 1-4
as in the figure below.
Mark 2
Mark 3
Mark 1
Mark 4
