Chapter
3
Operating Instructions
CLV490 Bar Code Scanner
3-10
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8009993/RA61/2007-07-20
Product description
Line scanner with oscillating mirror
The oscillating mirror also deflects the scan line perpendicularly to the scan direction at both
sides around the neutral position with a low oscillating frequency. As a result, the CLV490
can also scan larger areas for bar codes. Due to the V-principle of beam generation, the
reading field height is dependent on the reading distance.
In addition to parking (fixed position) and simple deflection with maximum amplitude, opti-
mized oscillating mirror functions are also available:
•
Oscillating with variable deflection amplitude per distance configuration
•
One-Shot: one-off, defined deflection per reading pulse (forward and return phase)
3.2.5
Additional components
Heater
The CLV490 can be permanently equipped with a heater for applications involving temper-
atures up to max. –35
°
C (–31
°
F) (e. g. in a freezer).
The design, technical data, and power-up behavior of the CLV490 are described in
Chapter 10.4 Optional heating, Page 10-40
External parameter memory in connector cover
The external parameter memory is located in a connector cover which, when mounted,
covers the two electrical terminals on the CLV490 (IP 65). The parameter memory saves
you time when a CLV490 is replaced locally by providing a copy of the current parameter
set. In other words, you do not have to configure the new device.
For information on applications and operating procedures, see
operating the external parameter memory (connector cover), Page 10-34
3.3
Indicators and control elements
3.3.1
Control elements
The CLV490 is operated and configured via the auxiliary interface (auxiliary data interface)
using the "CLV-Setup" program or using command strings sent via the host interface/auxil-
iary interface. A variety of parameter options allow you to adapt the device to a wide range
of applications.
The following can be defined:
•
The configuration of the code types
•
The read, evaluation, and output properties
•
The communication parameters of the host interface/CAN interface
•
The structure of the data output string for "Good Read" and "No Read" on the host in-
terface/CAN interface
•
The function of the auxiliary interface
Chapter 10.6 Installing and operating the "CLV-Setup" program, Page 10-43
describes the
procedure for installing the "CLV-Setup" program and explains how to use it. The parame-
terization (configuration) procedure is explained in
Chapter 6.4 Configuring (parameterizati-
.
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