Baumer PosCon OXE7, Руководство по эксплуатации

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04.01.2021 15:33/adr V1.3 ANW_81125407 Frauenfeld, Switzerland
4.6.2
For weak reflection
If the object is a weak reflector there are several things that can tried to improve the detection::

use the object dark mode, this increases the exposure time

Modify the mounting angle, as shown below, this reduces the angle between emitted laser light and
the acceptance angle of the detector. This is recommended for diffuse weak reflectors.

Change the search direction of an edge to go from the background (or reference plane) to the object.

Define a measurement field (using the offset and limit function) that only contains the minimal area of
interest around the sensor, this leads the sensor to ignore unwanted reflections
4.6.3
To avoid direct reflection
If there is a risk for a direct/specular reflection that can saturate the camera image, it is recommended to tilt
the sensor, so that the direct reflection from the laser light cannot hit the camera. This is illustrated in the
image below. The left situation shows the standard mounting procedure, while the right illustration shows the
mounting to avoid direct reflections from the laser into the camera.
4.7
Practical zero point search
In case of angled installation, the zero point (0 mm) of the K axis shifts out of the center of the red visible laser
line.
NOTE
The "Edge L rise or Edge R rise" mode, for example, can be used as an aid to find
the zero point. Now an object is slowly pushed toward the presumed zero point.
The zero point is reached by the left rising edge of the object when the value 0 mm
is shown on the sensor display and the yellow LED switches.