LS2200
DATALOGIC
12 - Reading Features
3.2 STEP-LADDER
MODE
The number of scans performed on the code by the LS2200 and therefore
the decoding capability is influenced by the following parameters:
•
number of scans per second
•
label
dimensions
•
scan direction with respect to code motion
•
code motion speed
About 5 scans during the code passage should be allowed to ensure a
successful read.
Code motion direction
at LS speed
Laser beam
Figure 3.1 - "Step-Ladder" scanning mode
If scanning is perpendicular to the code motion direction (Figure 3.1 – "Step-
Ladder" mode), the number of effective scans performed by the reader is
given by the following formula:
SN = [(LH/LS)
∗
SS] - 2
These symbols signify:
SN = number of effective scans
LH = label height (in mm)
LS = label movement speed (in mm/s)
SS = number of scans per second
For example, the LS2200 running at 1000 scans/s., reading a 10 mm high
code moving at 500 mm/s, performs:
[(10/500) * 1000] - 2 = 18 effective scans.
Summary of Contents for LS2200-1 Series
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