SICK W4F MultiPulse Manuel D'instructions page 28
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OPERATING INSTRUCTIONS
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28
O P E R A T I N G I N S T R U C T I O N S | W4F MultiPulse
(white, 90%)) Remission factor: 6% = black 1, 18% = gray 2, 90% = white 3 (relative
to standard white as per DIN 5033). We recommend that the adjustment be performed
with an object with low remission factor.
The minimum distance (= y) for the background suppression can be determined from
the diagram [
figure 5
1] as follows:
Example: x = 200 mm, y = 50 mm. That is, the background (white, 90%) is suppressed
at a distance of > 50 mm of the configured sensing range.
WTB4FP-xxxxx1xx
Minimum distance in mm (y) between the set sensing
range and white background (90 % remission)
y
60
6%/90%
(2.36)
1
50
18%/90%
(1.97)
2
40
(1.57)
30
(1.18)
20
(0.79)
10
3 3
(0.39)
90%/90%
0
0
40
80
120
160
200
240
(1.57)
(3.15)
(4.72)
(6.30)
(7.87)
(9.45)
Distance in mm (inch)
Recommended sensing range for
the best performance
Figure 5: Characteristic curve
Dimensions in mm (inch)
6
(0.24)
4
(0.16)
2
(0.08)
0
–2
(–0.08)
–4
(–0.16)
–6
0
40
80
120
160
200
(–0.24)
(1.57)
(3.15)
(4.72)
(6.30)
(7.87)
Distance in mm (inch)
Recommended sensing range for
the best performance
Figure 7: Light spot size
WTB4FP-xxxxx2xx
Minimum distance in mm (y) between the set sensing
range and white background (90 % remission)
y
20
WTB4FP
(0.79)
1%/90%
1
16
(0.63)
12
6%/90%
(0.47)
2
18%/90%
8
(0.31)
3
90%/90%
4
4
(0.16)
0
0
20
40
60
80
100
(0.79)
(1.57)
(2.36)
(3.15)
(3.94)
Distance in mm (inch)
Recommended sensing range for
the best performance
Example:
1
Safe suppression of the background
2
White background (90 %)
3
x
y
Black object (6 % remission)
Set sensing range x = 120 mm
Needed minimum distance to white
x
background y = 7 mm
Figure 6: Bar graph
240
10
130
220
(9.45)
(0.39)
(5.12)
(8.66)
1
2
3
Example:
4
Safe suppression of the background
White background (90 %)
x
y
Black object (6 % remission)
Set sensing range x = 40 mm
Needed minimum distance to white
x
background y = 2 mm
8 15
210
7 15
215
4
15
220
0
40
80
120
160
200
240
(1.57)
(3.15)
(4.72)
(6.30)
(7.87)
(9.45)
Distance in mm (inch)
D
C
A
B
10
15
65
5
15
95
5
15
98
4
15
100
0
20
40
60
80
100
(0.79)
(1.57)
(2.36)
(3.15)
(3.94)
Distance in mm (inch)
D
C
A
B
8027506.1OT5/2025-03-18 | SICK
Subject to change without notice
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