SICK Advanced Series

Chapter 5 Operating Instructions
CLV490 Bar Code Scanner
5-20 © SICK AG · Division Auto Ident · Germany · All rights reserved 8009993/RA61/2007-07-20
Electrical installation
5.5.4 Connecting the host interface
Risk of damage to the interface module
Electrical components in the CLV490 may be damaged if the host interface is connected
incorrectly.
¾ Connect the host interface as shown in Fig. 5-3.
¾ Check the connections carefully before you switch on the CLV490.
¾ Connect the host interface on the CLV490 to the host using shielded cables (EMC re-
quirements). Ensure that the maximum cable lengths are not exceeded (see
Table 5-19, Page 5-16).
Default In the default setting, the CLV490 communicates with the host via the host interface using
the values shown in Table 5-22.
Fig. 5-3: Connecting the host interface
RS 232
RS 422
( )= 9-pin D-Sub-
connector at PC
CAN-Network: Connection diagram for SICK CAN Scanner Network
see "CLV Connect" program on CD-ROM
( )=9-pin Sub D
plug on PC
Parameter Value
Physical design RS 422/485
Data transfer rate 9,600 bd
Data bits 8
Parity None
Stop bits 1
Protocol SICK (start character: STX, stop character: ETX, no request for repeat:
none, timeout: 50 ms)
Table 5-22: Communication parameters for the host interface (default setting)
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