Chapter
6
Operating Instructions
Compact OMNI Scanner
6-2
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8 009 237/0000/07-05-2002
Operation
6.2.1
Default settings of the CLX 490 Compact OMNI Scanner
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 ... 50 characters)
Start/stop ratio
Automatic
No. of multiple reads
3
Min./max. no. codes
1
Scanning frequency
800 Hz
Distance measurement
Active
Autofocus mode
Min. distance
Range
400 ... 1 800 mm
Focus control trigger
Autofocus, switchover immediately (synchronously)
Reading pulse source
Start: "Sensor" switching input (active: high); end: "Sensor" switching input
"IN 0... 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 ... 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
CLX 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 bit/s
Data format
8 data bits, no parity, 1 stop bit
Output format
Header: blank, Separator: ST, Terminator: CR LF; Error string: separator only
Output sorting
In accordance with code position
Output time
Read result: end of the read interval
Separator: after code
Test string
Not activated
Terminal interface
RS 232, 9 600 bit/s, 8 data bits, no parity, 1 stop bit (values cannot be changed)
Function
Reading diagnosis
Table 6-1: Extract: Default parameter settings of the CLX 490