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Chapter 7 Adjustment and initial operation
Adjust product light barrier
One light barrier is used for detection of the product at the labeler. If a product is detected,
a signal is forwarded to the controller to start the labeling process.
The point of time of the product detection is significant for the positioning of the label onto
the product. A delay value in the controller enables to change the position of the label
adjusted by one millimeter (s. Alpha manual).
The light barrier is installed at a fix position ex-factory. A position change is not required. It
is even undesired as it may influence the application performance of the labeler in a
negative way.
Depending on product feature an adjustment of sensor sensitivity is necessary. Especially
in case of bright and transparent products (e.g. foils) require an accurate adjustment of
the sensor. Further information on adjustment please refer to the manual of the sensor's
manufacturer.
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Version: 30.07.14
Description
REFLECTOR (EXAMPLE)
LIGHT BARRIER SENSOR (EXAMPLE)
CONNECTION CABLE (EXAMPLE)
ADJUSTMENT SENSOR SENSITIVITY (EXAMPLE)
Page 40 of 57
40001136 Geset 125
Fig. 7-7: Example for a light barrier
GB
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