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Chapter
6
Operating Instructions
CLV490 Bar Code Scanner
6-2
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8009993/RA61/2007-07-20
Operation
6.2.1
Default settings of the line scanner CLV490 (all variants)
6.2.2
Default settings of the line scanner with oscillating mirror
CLV490 (all variants)
Default settings as for line scanner
CLV490
, but with the following additional parameters:
Parameter Default
setting
Decoder SMART/standard
Active codes types
Code 39, 2/5 Interleaved, Code 128
Code length
Freely assignable (2/5 Interleaved: interval 4 to 50 characters)
Start/stop ratio
Automatic
Min./max. reading anlge
5/ 95 RA
No. of multiple reads
3
Min./max. no. codes
1
Scanning frequency
800 Hz
Distance measurement
Active
Background
Default (2,200 mm (86.7 in) along entire distance profile)
Autofocus mode
Min. distance
Range
400 to 2,200 mm (15.8 to 86.7 in)
Scan angle
–27
°
to +27
°
Focus control trigger
Autofocus, switchover immediately (synchronously)
Reading pulse source
Start: "Sensor" switching input (active: high); end: "Sensor" switching input
"IN 0"to "IN 4" switching inputs
Focus position changeover (without meaning for autofocus function)
"Sensor" switching input
Start and end of reading pulse (level: active high), debouncing 20 to 30 ms
Switching outputs
Not inverted; pulse duration: 100 ms
Status output function
Result 1: Device Ready (static); Result 2: Good Read; Result 3: No Read; Result 4: Match 1
CLV490 arrangement
Stand-alone
Read result output
Host interface
Device number
1
Start option
Load the parameter set of the external parameter memory
Host interface (type)
RS 422/485
Protocol
NAK; start character: STX, stop character: ETX
Transmission rate
9 600 bd
Data format
8 data bits, no parity, 1 stop bit
Output format
Good Read: Header: blank, Code Info/Separator: blank, Splitter: blank, Terminator: blank
Reading data on No Read: output: yes, contents: Code Info/Separator and Error string
Error string: NOREAD
Output sorting
In accordance with reading angle
Output time
Read result: end of the read interval
Code Info/Separator: after code
Test string
Not activated
Auxiliary interface
RS 232, 9 600 bd, 8 data bits, no parity, 1 stop bit (values cannot be changed)
Function Reading
diagnosis
Table 6-1: Extract: Default parameter settings of the line scanner CLV490-0010/-0011
Parameter
Default setting
Oscillating amplitude
±
40 CW (corresponds to an angle of deflection of –20
°
to +20
°
)
Operating mode
Oscillating with fixed amplitude, mode independent of reading pulse trigger
Oscillating frequency
1 Hz
Fixed position
50 CW (corresponds to an angle of deflection of 105
°
)
Table 6-2: Extract: Default parameter settings of the line scanner with oscillating mirror CLV490
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