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Chapter
4
Operating Instructions
CLV 490 Bar Code Scanner
4-14
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8 009 993/O824/20-12-2004
Installation
4.
Set the focus positions for the required reading ranges on the R
EADING
C
ONFIGURATION
tab in the "CLV-Setup" program. To do so, choose the I
NPUTS
/S
ERIAL
option in the drop
down list of the F
OCUS
C
ONTROL
section.
5.
Click the D
ISTANCE
C
ONFIGURATION
button and edit the required entries in the dialog box
that is then displayed (default: Focus position F 1 up to F 8 = 1,200 mm (47.3 in)).
6.
Chapter 4.3.2 Adjusting the CLV, Page 4-8
, choose the standard de-
coder.
7.
Perform a temporarily download to the CLV.
8.
Start Percentage Evaluation mode.
9.
Check the reading quality in all distance configurations while the conveyor belt stationary.
10. Then check the distance detection function in Reading mode under realistic conditions.
To do so, monitor the reading result in the Terminal Emulator as described in
Chapter 4.4.2 Mounting the external reading pulse sensor, Page 4-11
11. If the distance detection function operates correctly, reset the decoder to the SMART/
S
TANDARD
option and perform a permanently download to the CLV.
Note
The CLV can switch between a maximum of 8 distance ranges for slow search runs using
the integrated timer or the oscillating mirror reversal points.
The CLV can be switched between a maximum of 8 distance ranges synchronously to the
reading process using command strings.
4.5
Dismantling the device
1.
Switch off the power supply to the CDB 420 or CDM 490 Connection Module.
2.
Undo the screws for the cable connections on the CLV and disconnect the cables.
With mounted external parameter memory (optional):
Undo both screws and remove the cover.
3.
Unscrew the CLV from the mounting device.
When removing the device from service for the last time, please dispose of it in an
environmentally-friendly manner, as described in