Page 41
Operation of the Sensor with a PC
scanCONTROL 29xx
6.4
Instructions for Operation
6.4.1
Measuring Field Selection
The optical design of the sensor satisfies the so-called “Scheimpflug condition” which ensures optimum
mapping over the complete measuring range. In doing so, the measuring range is mapped on a rectangu-
lar matrix. The distortions resulting from this are shown, see
. The usable measuring range is always
trapezoidal.
The assigned maximum x-values for the z-coordinates can be found, see
.
Please refer to the sensor acceptance report of your sensor. A slight range shifting of a measuring field is
possible and depends on the sensor.
The top edge corresponds to the start of the measuring range and the bottom edge to the end of the measur-
ing range. The corners of the predefined measuring fields are on a grid with grid spacing of 1/8 of the matrix.
The sensor matrix used in the scanCONTROL 29xx supports the reading of a restricted measuring field. The
following picture, see
, shows the predefined view areas and the associated measuring fields.
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Страница 119: ...Page 42 Operation of the Sensor with a PC scanCONTROL 29xx Fig 23 Predefined measuring fields...