Chapter
6
Operating Instructions
CLV 45x Bar Code Scanner
6-2
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8 009 139/K949/06-06-2002
Operation
6.2.1
Default setting of line scanner
6.2.2
Default setting of line scanner with oscillating mirror
Default setting as for line scanner, with following additions
Parameter
CLV 450
CLV 451
Decoder
SMART decoder
Active code types
Code 39, 2/5 Interleaved, Code 128
Code length
Freely assignable (2/5 Interleaved: Interval 4 ... 50 characters)
Segmentation
Start/stop ratio, automatic
Min./max. code position
0/100 CP
Multiple reading
3
Min./max. no. of codes
1
Scanning frequency600 Hz
800 Hz
Resolution (min. bar width)
0.35 mm
0.5 mm
Focus control
8 distance configurations
Focal positions
DC 1: 900 mm, DC 2: 500 mm, DC 3: 200 mm,
AK 1: 550 mm
DC 4 ... DC 8: 200 mm
Trigger
"Sensor 2" switching input/serial interface
Reading pulse source
Start: "Sensor 1" switching input (active high); End: "Sensor 1" switching input
"Sensor 2" switching input
Focal control changeover
"Sensor 1" switching input
Start and end of reading pulse (level: active high), debouncing 20 ... 30 ms
Switching outputs
Not inverted; pulse duration: 100 ms
Status output function
Result 1: "Device Ready" (static), Result 2: "Good Read"
Beeper
Status output function: "Good Read", Beeper "ON"
Configuration to host
Stand-alone
Destination of result data strings
Host interface
Device number
1
Host interface (type)
RS-422/485
Protocol
NAK; Start character: STX, Stop character: ETX
Transfer rate
9 600 bits/s
Data format
8 data bits, no parity, 1 stop bit
Output format
Header: blank; Separator: blank; Terminator: blank; Error string: NO READ + separator
Output sorting
In accordance with code position
Output time
Read result: end of reading intervall
Separator: after code
Test string
Not activated
Terminal interface
RS 232, 9 600 bits/s, 8 data bits, no parity, 1 stop bit (values cannot be changed)
Function
Reading diagnosis
Table 6-1: Extract: Default setting of the line scanner parameter values
Parameter
Default setting
Oscillating amplitude
±
40 CW (corresponds to an angle of deflection of –20
°
... + 20
°
)
Operating mode
Oscillating with maximum amplitude
Oscillating frequency1 Hz
Fixed position
50 CW (corresponds to a light emission under 105
°
)
Table 6-2: Extract: Default setting of additional parameter values of the line scanner with oscillating mirror