SICK GRTB18SV, Operating Instructions Manual

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Check the application conditions: Adjust the sensing range and distance to the object or
background and the remission capability of the object according to the corresponding dia‐
gram [ see figure 10 ] (x = sensing range, y = monitored area between the set sensing range
and background suppression as a % of the sensing range (object remission/background
remission)). Remission: 6% = black
1
, 18% = gray
2
, 90% = white
3
(referring to stan‐
dard white as per DIN 5033). We recommend making the adjustments using an object with
a low remission.
The minimum distance (= y) for background suppression can be determined from diagram
[ see figure 10
1
] as follows:
Example: x = 150 mm, y = 20 => 20% of 150 mm = 30 mm. That is, the background is
suppressed at a distance of > 180 mm from the sensor.
25
y
x
0
20
15
10
5
1
2
3
6%/90%
18%/90%
90%/90%
Example:
Sensing range on black, 6%
x = 100 mm, y = (10% of 100 mm) =10 mm
100
(13.94)
50
(1.97)
150
(5.91)
250
(9.84)
200
(7.87)
300
(11.81)
0
Minimum distance between set sensing range and
background (white, 90%) in % of sensing range
1
Sensing range on black, 6 % remission
2
Sensing range on gray, 18 % remission
3
Sensing range on white, 90 % remission
Distance in mm (inch)
y x
white background (90%)
Figure 10: Sensing range of up to 300 mm
Use figure 12 and Table 3 to check the function. If the switching output fails to behave in
accordance with Table 3, check the application conditions. See section Fault diagnosis.
y x
Figure 11: Description of the
3 Sensing range setting
Sensor which it is not possible to set: The sensor is adjusted and ready for operation.
COMMISSIONING
6
8021184.16B5 | SICK
Subject to change without notice
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