Adjusting the label position
The position value defines which distance the goods travel after scanning (detection)
until the label is sticked on. With this function it is not necessary to shift the goods scan-
ner to change the label position on the goods.
As the adjustment of the position value depends on the labelling speed, it has to be mo-
nitored continuously. The following values are monitored:
Position value when entering a fixed speed
Fixed speed with too small position value
At measured labelling speed, the minimum position value
The minimum position value depends on the maximum labelling speed. The labeller
needs more time at high speed to accelerate the label after detection of the goods. The
following diagram shows the position value vs. labelling speed:
Position value [mm]
10
9
8
7
6
5
4
3
2
1
0
60 65 70 75 80 85 90 95 100
Labelling speed [m/min]
Diagram of label position vs. labelling speed (only Collamat
®
9100)
Four encoder steps are required at least when measuring the speed
with the incremental encoder to calculate the actual speed. That means,
that the minimum possible position is four times the encoder step
length.
If the value of the position adjustment exceeds the distance between
the goods, not each good will be labelled as the goods scanner is not
monitored during labelling.
The position value and the predispensing influence both the position of
the label on the goods. If predispensing is increased, the label will also
be sticked more downstream.
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