World coordinate system
The world coordinate system is based on the DINISO8855 standard. The directions
of rotation are based on a clockwise coordinate system. The orientation of the device
in the world coordinate system is specified by means of a yaw angle, pitch angle and
roll angle and the position using the Cartesian coordinates x, y and z. If no difference
between the world and device coordinate systems is defined, for example to define a
specific mounting position, then the origin of both coordinate systems is identical and
corresponds to the origin of the device.
The alignment of the device is defined as follows:
•
The beam with the azimuthal angle (horizontal) of 0° and the elevation angle
(vertical) of 0° points along the x-axis
•
The scan layer with an elevation angle of 0° lies on the x-y plane of the coordinate
system
•
The origin of the device coincides with the world coordinates origin
•
The top of the device is oriented towards the increasing z-values of the coordinate
system
•
The direction of rotation is determined by the orientation of the device, where
theta corresponds to the yaw angle and phi to the pitch angle.
3.4.7 Filter
By using digital filters to pre-process and optimize the measured distance values, the
device can be tailored to the specific requirements of the respective application. This
makes it possible to prevent virtually all faults.
The active filter functions affect the outputted measured values. It is not possible to
recalculate the original measured values from the filtered output values.
3.4.7.1 Fog filter
The fog filter enables the device to eliminate unwanted echoes at close range. This
considerably lowers the probability of false activations at close range in fog.
PRODUCT DESCRIPTION 3
8027119/0000/2022-11 | SICK O P E R A T I N G I N S T R U C T I O N S | multiScan136
21
Subject to change without notice
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