SICK Advanced Series

Operating Instructions Chapter 10
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20 © SICK AG · Division Auto Ident · Germany · All rights reserved 10-41
Appendix
10.4.4 Electrical installation
Cable cross-section
The connection cables for the power supply must have a cross-section of at least
0.75 mm
2
(approx. 20 AWG).
See also Chapter 5.4.2 Supply voltage, Page 5-16.
Power consumption
The power consumption depends on the variant:
• Line scanner with heater: typically 75 W and max. 90 W
• Line scanner with oscillating mirror and heater: typically 75 W and max. 100 W
These values apply to operation without the switching outputs connected.
CDB420 or CDM490 Connection Modules
The CDB420 or CDM490 Connection Modules are suitable to power the CLV490 with hea-
ter. An external power supply pack with a higher power output must be used to provide the
required voltage of 24 V DC +20%/–10%. The incomming/outgoing cables must be pro-
tected by corresponding fuses. The optional CMP490 Power Supply Module is not suitable
for CLVs with heater.
See Chapter 3.1.3 System requirements for stand-alone configuration, Page 3-2.
For connecting the CLV490 with heater to the CDB420 or CDM490 see also the "CDB420
Connection Module" Operating Instructions (order no. 8010001, German/English) respec-
tively the "CDM490 Connection Module" Operating Instructions (order no. 8010005, Ger-
man/English).
10.4.5 Outdoor applications
If the CLV490 with integrated heater is used outdoors, it should be installed in a protective
housing to prevent the front window from being damaged by rain, snow, or dust. The housing
also acts as a wind protector.
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