PBM-X series is highly efficient automatic vertical packaging machines suitable for single portion packing of loose (powder, granules), liquid and small piece products into stickpacks, flat or pyramidal bags and according to the packed product type are equipped with a suitable dosing device.

end of foil sensor, easy and quick fastening of new foil reel, automatic
foil centering by sensors

https://www.blazekpackagingmachines.com/en/packaging-machine...

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Note added at 1 hr (2018-05-25 11:36:19 GMT)
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The lower drum also has the end-of-tape sensor mounted on it. This, as the name suggests, stops the tape when it has reached the end of it's travel.
https://www.oldtechnology.net/insidethevcr.html
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