Device Arrangement; Figure 6.3: Definition Of The Bcl 8 Reading Angles - Leuze electronic BCL 8 Series Manual

6.2.1

Device arrangement

Selecting a mounting location
In order to select the right mounting location, several factors must be considered:
• size, orientation, and position tolerance of the barcodes on the objects to be scanned.
• the reading field of the BCL 8 in relation to the barcode module width.
• the resulting minimum and maximum read distance from the respective reading field
(For specific information, please refer to chapter 4.4).
• alignment of the barcode reader for avoiding reflections.
• distance between BCL 8 and host system with respect to the interface.
Notice!
The best reading results are obtained when
• the read distance lies in the middle area of the reading field.
• there is no direct sunlight and extraneous light is avoided.
• the barcode labels are of good print quality and have good contrast ratios.
• you do not use high-gloss labels.
• the barcode is moved past the reading window with a rotational angle > approx. 15°.
• the laser beam is narrowed down for its respective reading task in order to avoid
reflections on shiny components.
Notice!
With front beam exit, the beam exit on the BCL 8 is nearly vertical to the reading window;
with lateral beam exit, the beam exit is at 15° from vertical. The barcode label must be rotat-
ed by > 10° to avoid a total reflection of the laser beam in the case of glossy labels.
Figure 6.3:
Mounting location
When selecting a mounting location, pay attention to
• maintaining the required environmental conditions (temperature, humidity)
• possible soiling of the reading window due to liquids, abrasion by boxes, or packaging
material residues.
• lowest possible chance of damage to the scanner by mechanical collision or jammed
parts.
• possible extraneous light influence (no direct sunlight).
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γ
β
α
Definition of the BCL 8 reading angles
α
= azimuth angle
β
= angle of inclination
γ
= angle of rotation
Recommended angle of rotation:
γ
> 10°
BCL 8
Installation
31