
Operating Instructions Chapter 5
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20 © SICK AG · Division Auto Ident · Germany · All rights reserved 5-21
Electrical installation
For connecting the host interface via the CDB420 or CDM490 Connection Module, see the
Operating Instructions for the "CDB420 Connection Module" (no. 8010001, German/En-
glish) respectively the Operating Instructions for the "CDM490 Connection Module"
(no. 8010005, German/English).
Terminating the RS 422 interface:
The interface can be terminated in the Connection Module. See the Operating Instructions
for the "CDB420 or CDM490 Connection Modules".
Activating the RS 232 interface:
The RS 232 interface can be activated with the "CLV-Setup" program:
1. Choose the H
OST INTERFACE tab.
2. Choose the RS 232 option from the H
ARDWARE drop-down list under DATA FORMAT.
3. Download the data to the CLV490 by clicking in the toolbar.
The D
OWNLOAD PARAMETERS dialog box is displayed.
4. Confirm the dialog box by choosing P
ERMANENT.
The CLV490 uses the RS 232 version of the host interface.
Tip The communication parameters can be changed, if necessary, on the H
OST INTERFACE tab.
To do so, change the values under D
ATA FORMAT and INTERFACE PROTOCOL.
5.5.5 Connecting the CAN interface
Connecting the CAN Interface 1 and configuring the CLV490 to use the device in the SICK-
specific CAN Scanner Network or in a CANopen network see the Operating Instructions
“Application of the CAN interface“ (no. 8009180, English edition).
5.5.6 Connecting the PC
The CLV490 is operated and configured with the PC-based "CLV-Setup" program. In order
to do so, you must connect the device to the PC via the auxiliary interface (auxiliary inter-
face). Unlike the host interface, the auxiliary interface has a permanent data format and a
fixed data transfer rate. Fig. 5-4 shows how the auxiliary interface is connected. The cable
length should not be more than 10 m (32.8 ft).
1. Switch off the PC and power supply to the CDB420 or CDM490 Connection Module.
2. Connect the PC to the internal, 9-pin "Aux" plug on the Connection Module.
To do so, use a 3-core RS 232 data cable (null modem cable), e. g. no. 2014054
(RxD and TxD crossed).
– or –
Without the SICK Connection Module:
Connect the PC as shown in Fig. 5-4.
Fig. 5-4: Connecting the auxiliary interface
RS 232
( ) = 9-pin Sub D
plug on PC
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