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OPERATING INSTRUCTIONS
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52
O P E R A T I N G I N S T R U C T I O N S | WTM12L MultiMode
Multi‐
Minimum distance in mm (y) between the set sensing
range and white background (90 % remission)
Mode1+
y
6:
30
(1.18)
25
18%/90%
(0.98)
20
(0.79)
6%/90%
1
15
(0.59)
10
(0.39)
5
(0.20)
0
0
200
(7.87)
Recommended sensing range for
the best performance
Figure 9: WTM12L-xxxxx8xx, MultiMode 1+6
1
20/30
2
20/30
3
15/30
0
200
(7.87)
(15.75)
D
C
A
Recommended sensing range for the best performance
Figure 10: WTM12L-xxxxx8xx, MultiMode 1+6
A
Sensing range min. in mm
B
Sensing range max. in mm
C
Visibility range
D
Setting range switching threshold for background suppression
E
Sensing range indicator
F
Teach-Turn adjustment
Blue
Recommended sensing range for the best performance
Check the function as described in
behave as described in
see table 4, page
Foreground suppression (VGA): MultiMode 2
The photoelectric proximity sensor requires a background as a reference. The remission
factor and position of the background should remain as uniform as possible. The
maximum distance (x) between the photoelectric proximity sensor and background as
well as the minimum object height (y) must be upheld. As a rule, the FGS mode is used
to detect very flat objects on a conveyor belt.
Example:
Safe suppression of the background
2
90%/90%
3 3
x
400
600
800
(15.75)
(23.62)
(31.50)
Distance in mm (inch)
550
600
650
400
600
800
(23.62)
(31.50)
Distance in mm (inch)
BluePilot
E
F
B
see table 4, page
48. If the digital output fails to
48, check the application conditions.
White background (90 %)
x
Black object (6 % remission)
Set sensing range x = 200 mm
Needed minimum distance to white
background y = 4 mm
8027716.1HYU/2023/04/25 | SICK
Subject to change without notice
y
