SICK CLV 490, Operating Instructions Manual

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Operating Instructions
CLV 490 Bar Code Scanner
Figures and tables
I-12
© SICK AG · Division Auto Ident · Germany · All rights reserved 8 008 796/0000/25-06-2002
Figures
Fig. 2-1: Laser warning labels on the CLV (applicable for Europe) ..................................... 2-2
Fig. 3-1: Design of the CLV 490....................................................................................................... 3-4
Fig. 3-2: Block diagram: CLV functions .......................................................................................... 3-5
Fig. 3-3: Optimization of the depth of field for the object ....................................................... 3-6
Fig. 3-4: Dynamic focus control: classification of the reading range in
distance configurations ...................................................................................................... 3-7
Fig. 3-5: LEDs .......................................................................................................................................... 3-8
Fig. 4-1: Line scanner: replacing the laser warning labels ..................................................... 4-2
Fig. 4-2: Line scanner: position of the securing threads on the CLV ................................. 4-3
Fig. 4-3: Line scanner: Mounting possibilities of the CLV ....................................................... 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 of the aperture angle a...................... 4-4
Fig. 4-6: Line scanner: Reading angle between the scan line and the bar code .......... 4-5
Fig. 4-7: Avoiding surface reflections: Angle between the emitted light and
the bar code (tilted away from the vertical axis) ...................................................... 4-5
Fig. 4-8: Count direction of the code position CP in the scan line and of the
code angle CW for the oscillating mirror...................................................................... 4-6
Fig. 4-9: Line scanner: scan line in Adjusting mode ................................................................. 4-9
Fig. 4-10: Line scanner: mounting example for the external reading pulse sensor......4-10
Fig. 4-11: Mounting example for object distance detection ..................................................4-12
Fig. 5-1: Block diagram: Connection of the CLV to the AMV/S 60
connection module .............................................................................................................. 5-3
Fig. 5-2: Connecting the host interface .......................................................................................5-14
Fig. 5-3: Connecting the terminal interface ................................................................................5-15
Fig. 5-4: Connections of the "Sensor" switching input ..........................................................5-16
Fig. 5-5: Connections of the "IN 0 ... IN 4" switching inputs................................................5-17
Fig. 5-6: Connections of the "Result 1 ... Result 4" switching outputs ............................5-20
Fig. 6-1: Bar code pattern (Code 39; module width 0.35 mm; Print ratio 2:1)............. 6-3
Fig. 6-2: Narrowing the visible range using limit values.........................................................6-10
Fig. 6-3: Oscillating mirror: "Oscillating with fixed amplitude" mode.................................6-13
Fig. 6-4: Oscillating mirror: "Oscillating with variable amplitude" mode ..........................6-14
Fig. 6-5: One-Shot: Object tracking (bar code read from front) .........................................6-15
Fig. 6-6: CLV-Setup: Displaying the reading result in the Terminal Emulator................6-20
Fig. 6-7: Reading result of the terminal interface: structure for Good Read .................6-21
Fig. 6-8: Reading result of the terminal interface: structure for No Read ......................6-21
Fig. 6-9: CLV-Setup: Displaying the percentage evaluation in the
Terminal Emulator ..............................................................................................................6-23
Fig. 6-10: CLV-Setup: Dialog window for running the background teach-in .....................6-25
Fig. 6-11: CLV-Setup: Display of th learned background ........................................................6-26
Fig. 6-12: Appearance of scan line in the "Show CP-limits" mode......................................6-27
Fig. 6-13: CLV-Setup: "Operating Data" dialog box ...................................................................6-28
Fig. 6-14: CLV-Setup: Displaying the reading result of the host interface in
the Terminal Emulator with direction identifier at the beginning
(in this case: O = Output) ................................................................................................6-30
Fig. 6-15: CLV-Setup: Displaying the self-test result in the Terminal Emulator...............6-31
Fig. 6-16: CLV-Setup: Dialog box for executing Show limits...................................................6-32
Fig. 7-1: Cleaning the reading window ........................................................................................... 7-1
Fig. 7-2: Cleaning the external optical sensors (reading pulse generator,
object-height detector)....................................................................................................... 7-2
Fig. 9-1: Dimensions of the CLV 490 line scanner, front reading window....................... 9-3
Fig. 9-2: Dimensions of the CLV 490: line scanner with oscillating mirror,
side reading window............................................................................................................ 9-4
Fig. 10-1: CLV 490-0010/-0011 (Standard density): Reading field height as
a function of the reading distance and resolution................................................10-3
Fig. 10-2: CLV 490-0010/-0011 (Standard density): Min. and Max. reading
distance (measured radially) as a function of the focus position at a
resolution of 0.35 mm and an aperture angle of
α
= 40
°
................................10-4