Omron E3NT-L, Руководство по эксплуатации

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Aligning the sensor Section 8-3
8-3 Aligning the sensor
Owing to the infrared emitted light, the light spot on the measured
object is not visible.
Hence the sensor must be aligned relative to the optical axis.
The alignment marking on the top of the sensor can be used as a
sighting line for the optical axis, thus simplifying alignment
(see Figure
1 Aligning the sensor) .
1. Position the measured object at the required position in front of the sensor.
2. Undo the securing screws.
3. Align the sensor's optical axis/alignment marking to the measured object.
4. Tighten the securing screws.
5. Check alignment once again.
Figure 1 Aligning the sensor
90°
90°
Alignment marking
detection object