Operating Instructions
Chapter
6
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20
©
SICK AG · Division Auto Ident · Germany · All rights reserved
6-33
Operation
B2. Tracking mode (controlled by increment)
Note
SICK AG can design and preconfigure more complex omni-portal systems to fulfill the
customer's reading requirements and then provide appropriately trained personnel to
install, test and put these systems into operation.
An overview of the parameterization steps for an example situation is given below (the
overview does not include all available parameterization options).
Conditions:
•
Max. 20 consecutive
objects
in conveyor direction simultanously in the reading field.
Example: Omni-directional 3-side reading with groups of CLV490 (slaves) and OTC400
Controller (master) for object tracking
•
Minimum object gap between two objects in conveyor direction:
50 mm (1.97 in)
•
Size of reading field = distance between sensor for beginning/end of object and object
release point parameterized in the OTC400 (data output)
•
Autofocus/focus position switchover in the CLV490 according to application:
– with OTS height information via CAN bus for reading from top
– one distance configuration (fixed focus) for e. g. reading from side and sufficient
depth of field (DOF)
•
Autofocus mode "Differential background and tracking", see
•
Sensor for beginning/end of object and incremental encoder connected to the OTC400
•
Master/slave arrangement using the CAN interface
Possible reading triggers:
•
via OTS
Further preparations for each CLV490:
¾
Configuring reading area: see
Chapter a)Parameterizing reading area, Page 6-10
.
¾
Selecting focus control mode: see
Chapter b) Selecting focus control mode,
.
¾
Configuring focus control: see
Chapter c) Parameterizing focus control, Page 6-12
.
¾
Configuring oscillating mirror (optional): see
Chapter e) Parameterizing oscillation mirror
functions (optional), Page 6-17
.
¾
Configuring no. of bar codes to be read: see
Chapter h) Parameterizing the evaluation
Note
To separate bar codes of the same type with identical contents, connect an incremental
encoder and activate the "Seperate codes dependent on reading angle" function. See also
.
Parameterizing focus control in the CLV490:
Action
Settings in CLV-Setup
Use distance information of
OTC400 (master) or other
CLV490
–
or
–
Ö
R
EADING
CONFIGURATION
tab
Ö
F
OCUS
C
ONTROL
section
– OTS height information
Select and parameterize
autofocus function
–
or
–
Table 6-18: Guide: Parameterizing focus control in CLV490 for object tracking mode with OTC400
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