Leuze electronic KRT18BM, Manual

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Multiturn potentiometer
A removable operating button is plugged into the multiturn potentiometer at the factory. The setting of the contrast sensor can
thereby be performed manually without the need for a tool. If this is not desired, the operating button can be pulled off. A screw-
driver is then needed for the setting.
Color changeover
Contrast sensor KRT18B enables simple changeover of the detection color on the device. This is necessary if the contrast
between the mark and the background is not sufficient for reliable detection with the set color.
Examples for optimum detection colors:
In general, the optimum detection color can also be found by selecting the color for the which the largest signal difference is
displayed between mark and background on the bar graph.
Color of the mark Color of the background Optimum detection color
Black White Any
Red White Green
Yellow White Blue
Green White Red
Black Red Red
Black Green Green
Black Blue Blue
Press button C (Color) for 2 … 7s (LEDs flash in sync with a frequency
of 2Hz) and release.
Upon release of the button, the detection color changes to the next
color (order: green, blue, red).
>
12s
L
/ D
Rear view of sensor
with operating button plugged
If necessary, loosen then operating button
with a screwdriver
>
12s
L
/ D
2 … 7s
KRT18BM
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