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BARCODE SCANNING FEATURES
5
5.6 PACKTRACK™
PackTrack is a patented operating mode for Datalogic Omni-Directional Reading Stations
used to read and correctly assign codes read on different packs when placed in the scanner
Reading Area at the same time.
In fact, in the following example, the codes of two or more consecutive packs are found at
the same time in the scanner reading area. Therefore, the condition occurs where, in the
sequence of the two packs, the code of the second pack is read first, just before the code of
the previous pack. A system without PackTrack would assign the code of the second pack to
the first pack and vice versa, thus causing a gross error in sortation.
Figure 41: Tracking Problem
PackTrack uses a right-handed reference system where the X axis coincides with the
Photoelectric Sensor line, the Y axis coincides with the conveyor direction, and the Z axis is
oriented upwards from the conveyor (see figure below). The arrows point in the positive
direction. The coordinate point of origin (0,0,0) is on the left edge of the conveyor as
illustrated.
175
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