Typical Layouts - PSC LazerData 12000 Series Installation Manual

Fixed-position unattended bar code readers
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®
LazerData
12000 Scanner
2.9

TYPICAL LAYOUTS

The LazerData 12000 Bar Code Scanner was specifically designed for industrial
applications. A typical use is real-time identification of moving objects on conveyor
belts.
A photoelectric sensor, used as a code presence sensor, signals when an object
enters the scanner reading zone (see Figure 2.33).
Host
1
The LazerData 12000 Scanner can be mounted vertically or horizontally to read
labels in the two standard positions – 'picket fence' or 'step ladder.' A system can be
configured to read labels in any orientation using several scanners positioned at
different angles.
Allow for at least five effective scans on each bar code symbol. The number of
effective scans is directly affected by the length of the scan line, scan speed, height
of the bars, and code motion speed with respect to the scanner (see Section 3,
"Reading Features," for formulas you can use to compute the effective scans for
your application).
The possibility of using raster models allows a greater surface area of the code to be
scanned, increasing the probability of correct reads even if the code printing quality
is poor or the code is positioned incorrectly.
2.26 - Installation
12000
Scanner
2
Figure 2.33 - LazerData 12000 typical layout
Installation Manual
1
Main serial interface
2
Presence sensor

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