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8025391.1NSI/2024-05-24 | SICK
Subject to change without notice
Check the function as described in
behave as described in
see table 2, page
Minimum distance in mm (y) between the set sensing range (x) and white background
(90% remission):
y
40
1
35
6%/90%
30
25
20
15
10
5
0
0
50
100
150
200
(1.97)
(3.94)
(5.91)
(7.87)
Figure 5: GTB6L
1
15/30
180
2
10/30
250
3
10/30
0
100
200
(3.94)
(7.87)
Distance in mm (inch)
D
C
A
Figure 6: GTB6L
Example: Reliable suppression of background:
White background (90% remission)
Black object (6% remission)
Set sensing range x = 150 mm
Required minimum distance to white background y = 20 mm
Sensing range on black, 6% remission
1
Gray object, 18% remission factor
2
White object, 90% remission factor
3
A
Sensing range min. in mm
B
Sensing range max. in mm
C
Field of view
D
Adjustable switching threshold for background suppression
blue
Recommended sensing range for the best performance
see table 2, page
9. If the switching output fails to
9, check the application conditions.
2
18%/90%
3
90%/90%
x
250
300
350
400
(9.84)
(11.81)
(13.78)
(15.75)
Distance in mm (inch)
400
300
400
(11.81)
(15.75)
B
O P E R A T I N G I N S T R U C T I O N | GTB6L
OPERATING INSTRUCTION
x
y
en
11
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