
Chapter 4 Operating Instructions
CLV490 Bar Code Scanner
4-14 © SICK AG · Division Auto Ident · Germany · All rights reserved 8009993/RA61/2007-07-20
Installation
4. Set the focus positions for the required reading ranges on the READING CONFIGURATION
tab in the "CLV-Setup" program. To do so, choose the I
NPUTS/SERIAL option in the drop
down list of the F
OCUS CONTROL section.
5. Click the D
ISTANCE CONFIGURATION 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. As described in Chapter 4.3.2 Adjusting the CLV490, Page 4-8, choose the standard
decoder.
7. Perform a temporarily download to the CLV490.
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 CLV490.
Note The CLV490 can switch between a maximum of 8 distance ranges for slow search runs us-
ing the integrated timer or the oscillating mirror reversal points.
The CLV490 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 CDB420 or CDM490 Connection Module.
2. Undo the screws for the cable connections on the CLV490 and disconnect the cables.
With mounted external parameter memory (optional):
Undo both screws and remove the cover.
3. Unscrew the CLV490 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 Chapter 7.4 Disposal, Page 7-3.
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