Device description
Leuze electronic
LES 36
30
TNT
35/7-2
4
V
Relative window positioning
If the position tolerance of the measurement object exceeds the possible size of the analysis
window, it is possible to move the EAW relative to the position of the measurement object.
Figure 4.9:
Edge detection with varying object position
For precise definition of the reference edge, the measurement object is placed within EAW01
and acquisition of measurement data is stopped (pause button) as soon as the desired refer-
ence edge has been found.
In the now static measurement profile, a further analysis window (e.g. EAW02) can be posi-
tioned relative to the right or left object edge found in EAW01. This window now tracks all
position changes of the object edge to be measured, both in the X-direction and Z-direction.
Note!
The evaluation functions are defined using LESsoft (see Chapter 9.4).
Z
+X
-X
O1
EAW01
H
W
EAW02
LES
Measurement range
Object
Measurement points
H = height difference of two edges
W = object width
Edge Analysis Window
EAW
x axis
z a
x
is
No object detection due to
shadowing in the measure-
ment range
Right edge
(coordinates RX, RZ)
Left edge
(coordinates LX, LZ)
Conveyor path
