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Seite / Page 22
OWLF 4100 FS S1 (L)
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Seite / Page 23
6.1
How to teach a new range using the teach button
Teaching a new measuring range:
Within 5 minutes after power-up, the button may be used to teach a new range. After finishing a
teach procedure, the 5 minutes starts again. After the 5 minutes, the sensor does not respond to
pressing the button. Seven steps to teaching a new measuring range:
1.
Press (and hold) the button. The red LED will turn on, if the sensor can be taught.
2.
Hold down the button for 5 more sec. The LED will start to blink.
3.
Release the button.
4.
Place a target at the first new position of the measuring range. This is the position that will later
produce 0 V (or 4 mA)
.
5.
Briefly press the button again. The LED will stop blinking and will stay on for about 3 sec to
indicate that the first position has been stored. Then the LED will blink again.
6.
Now place the target at the second position (the other end of the new range), which will produce
10 V (or 20 mA)
.
7.
Briefly press the button again. The LED will stop blinking and will stay on for about 3 sec to
indicate that the second position has been stored. The LED will then turn off and blink once
more. Now the sensor is ready to measure.
The new, smaller operating range is now set. The red LED now indicates whether an object is within
the new range (LED OFF) or not (LED ON)
If one of the new borders of the range was outside the standard range or the two positions were too
close to each other, then the new settings are not valid. The sensor will respond with an extended
blinking at the end of the teach procedure. The previous settings are still valid and the new settings
are lost.
Seite / Page 24
Timing of the teach procedure
LED is ON if the procedure
was successful
LED blinks if the procedure
was not successful
t1
t2
t3
t4
t5
t6
red LED