SICK CLV 45 Series, Руководство по эксплуатации

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Chapter 6 Operating Instructions
CLV 45x Bar Code Scanner
6-14
© SICK AG · Division Auto Ident · Germany · All rights reserved 8 009 139/K949/06-06-2002
Operation
•
Set wrong read format
Ö
D
ATA STRINGS
tab card
Ö
"Wrong read format", "Number of
characters" and "Error string"
•
If necessary, parameterize/activate test string
Ö
D
ATA STRINGS
tab card
Ö
"Test string"
•
Parameterize special functions
Ö
D
ATA STRINGS
tab card
Ö
"Specials"
f) Parameterizing the auxiliary interface function
•
A
UXILIARY INTERFACE
tab card
6.4.4 Configuring the CLV with Auto Setup
Auto Setup enables the reading and code configurations of the CLV to be adapted auto-
matically to the existing read situation. The following conditions must be fulfilled for the
execution:
•
One bar code (code type, code length)
•
Fixed reading distance
•
No transport movement (static reading)
The CLV determines the code type, code length, the optimum focal position and the most
favorable scanning rate for the bar code presented. This takes place in Free running mode
with the standard decoder even if the SMART decoder may have been preselected before-
hand for the Reading mode. Once Auto Setup has been completed successfully, the CLV
copies the parameter values determined to its parameter record. All other code types and
code lengths are disabled for further readings. If Auto Setup was not completed suc-
cessfully, the parameter record is not changed. In Auto Setup the CLV does not read a Phar-
macode or an EAN or UPC attachments. It does not react to an external reading pulse.
Auto Setup can be activated in three different ways in the CLV:
•
By means of the CLV-Setup user interface
•
By presenting Profile bar code No. 10 on the card supplied to the optical interface
(reading window)
See Chapter 10.5.1 Activate Auto Setup with Profile bar code, Page 10-28 .
•
By means of a command string (via the serial interface)
See Chapter 10.6 Configuring the CLV with command strings, Page 10-33 .
While Auto Setup is running, the CLV outputs the step-by-step changes made to the para-
meter values in the search mode as well as the determined diagnostic data via the terminal
interface in the form of a list. The list can be displayed, for example, in the terminal emulator
of CLV-Setup. Once Auto Setup has been completed, appropriate error messages are out-
put for diagnosed malfunctions in the event of a no read.
Explanation Auto Setup procedure
1. The CLV moves across the entire focal position range in steps of 25 mm from
F = 200 mm to 1 200 mm at a scanning frequency of 600 Hz. It evaluates the reading
quality of 100 scans at each focal position.
2. When it reaches the part of the focal position range with the highest reading quality, the
CLV determines 5 positions from which it then mathematically calculates the maximum
reading quality and the focal position.
3. The CLV approaches this calculated focal position and performs a verification read.
4. If the reading quality is >75 %, the CLV increases its scanning frequency in steps of
100 Hz, starting at 400 Hz, up to 1 000 Hz. Once again, it evaluates the reading quality