Datalogic Scanning DS1500 Manuel d'utilisateur télécharger pdf (Page 43)

READING FEATURES

3.2.1 Step-Ladder Mode

If scanning is perpendicular to the code motion direction (Figure 23), the number of

effective scans performed by the reader is given by the following formula:

SN = [(LH/LS)

SS] – 2 Where: SN = number of effective scans

LH = label height (in mm)

LS = label movement speed

in (mm/s)

SS = number of scans per second

Direction of code

movement at LS speed

DS1500

Laser beam

Figure 23 - "Step-Ladder" Scanning Mode

For example, the DS1500 (1200 scans/sec.) for a 20 mm high code moving at 1200

mm/s performs:

[(20/1200)

1200] - 2 = 18 effective scans.

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 64 65

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Datalogic Scanning DS1500 Manuel d'utilisateur Page 43