Chapter
6
Operating Instructions
CLV490 Bar Code Scanner
6-30
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8009993/RA61/2007-07-20
Operation
B. CLV490 integrated in OTS400 Omni Tracking System
(mechanical construction called "reading gate")
B1. Start/stop mode
Conditions:
•
One object
in the reading field per reading interval
Example: Omni-directional 2-side reading with CLVs (slaves) und OTC400 Controller
(master)
•
Minimum object distance > size of reading field
(size of reading field = distance between sensor for start and stop of reading trigger)
•
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 "Minimum distance" or "Differential background",
see
•
Two reading sensors connected to OTC400 (start and stop)
•
Height detection photo reflex switches connected to OTC400 (optional)
•
Master/slave arrangement using the CAN interface
Possible reading triggers in the CLV490:
•
OTS trigger
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 CLV
–
or
–
Ö
R
EADING
CONFIGURATION
tab
Ö
F
OCUS
C
ONTROL
section
– OTS height information
Select and parameterize
autofocus function
or
–
Table 6-14: Guide: Parameterizing focus control in CLV490 for master/slaves arrangement with
OTC400
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