Operating Instructions
CLV 42x bar code scanner
8 009 981/O078/16-08-2004 © SICK AG · Division Auto Ident · Germany · All rights reserved I-11
Figures and Tables
Figures
Fig. 2-1: Laser warning labels found on the CLV......................................................................2-3
Fig. 3-1: CLV42x line/raster scanner with/without 105° angle attachment..................3-5
Fig. 3-2: Block diagram: CLV functions.........................................................................................3-6
Fig. 3-3: LED indicators ......................................................................................................................3-7
Fig. 4-1: Example line scanner: replacing the laser warning label.....................................4-2
Fig. 4-2: Location of the securing threads on the CLV...........................................................4-3
Fig. 4-3: Installation example: mounting the CLV with mounting bracket
no. 2 020 077.....................................................................................................................4-3
Fig. 4-4: Scanning methods: alignment with bar code and conveyor direction............4-4
Fig. 4-5: Definition of the reading distance a and the aperture angle a..........................4-4
Fig. 4-6: Line scanner: reading angles between the scan line and the bar code........4-5
Fig. 4-7: Preventing surface reflection: angle between the emitted light
and bar code (tilted away from the vertical axis) ...................................................4-5
Fig. 4-8: Count direction of the code position CP within the scan line.............................4-6
Fig. 4-9: Line scanner: appearance of the scan line in the "adjusting
mode" operating mode ....................................................................................................4-8
Fig. 4-10: Line scanner: installation example for the external reading pulse sensor ...4-9
Fig. 4-11: Line scanner: installation location of the polling reflector ................................4-11
Fig. 5-1: Block diagram: connection of the CLV to the CDB 420 or
CDM 420 connection module .......................................................................................5-1
Fig. 5-2: Connections of the host interface................................................................................5-5
Fig. 5-3: Connections of the terminal interface.........................................................................5-7
Fig. 5-4: Connections of the "Sensor 1" switching input.......................................................5-8
Fig. 5-5: Connections of the "Sensor 2" switching input.......................................................5-9
Fig. 5-6: Connections of the "Result 1" switching output ..................................................5-10
Fig. 6-1: Bar code pattern (code 39; module width 0.35 mm (13.8 mil);
print ratio 2:1) ......................................................................................................................6-3
Fig. 6-2: CLV Setup: AutoSetup displayed in the terminal emulator..............................6-12
Fig. 6-3: CLV Setup: output of the reading result of the terminal
interface in terminal emulator .....................................................................................6-15
Fig. 6-4: Reading result of the terminal interface: structure for "good read".............6-16
Fig. 6-5: Reading result of the terminal interface: structure for "no read"..................6-16
Fig. 6-6: CLV Setup: display of the percentage evaluation in the
terminal emulator.............................................................................................................6-18
Fig. 6-7: Appearance of scan line in the "Show CP-limits" mode ...................................6-19
Fig. 6-8: CLV Setup: "Operating Data" dialog box.................................................................6-20
Fig. 6-9: CLV Setup: output of the reading result of the host interface
in the terminal emulator at the beginning (in this case: O = Output)...........6-22
Fig. 6-10: CLV Setup: displaying the self-test result in the terminal emulator..............6-23
Fig. 6-11: CLV Setup: dialog box for AutoSetup execution ..................................................6-24
Fig. 7-1: Cleaning the reading window..........................................................................................7-1
Fig. 7-2: Cleaning the external optical sensor (reading pulse generator).......................7-2
Fig. 9-1: Dimensions of the CLV 42x line/raster scanner.....................................................9-3
Fig. 10-1: CLV 420-0010/-1010: reading range (DOF) for line/raster scanner.........10-2
Fig. 10-2: CLV 420-2010/3010: reading range (DOF) for line/raster
scanner with 105° angle attachment ......................................................................10-3
Fig. 10-3: CLV 421-0010/1010: reading range (DOF) for line/raster scanner ..........10-4
Fig. 10-4: CLV 422-0010/-1010: reading range (DOF) for line/raster scanner.........10-5
Fig. 10-5: CLV 42x: scanning frequency characteristic as a function of
the reading distance and resolution.........................................................................10-6
Fig. 10-6: CLV Setup: results of the AutoBaud detect function.......................................10-11
Fig. 10-7: User interface of the "CLV Setup" software....................................................... 10-12
Fig. 10-8: CLV Setup: entering commands in the terminal emulator............................10-23
Fig. 10-9: Line scanner: calculating the number of scans for ladder-type
bar code arrangements..............................................................................................10-24
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