SICK CLV490 Instrucciones de operaciones Pagina 75

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Operating Instructions Chapter 6
CLV 490 Bar Code Scanner
8 008 796/0000/25-06-2002
©
SICK AG · Division Auto Ident · Germany · All rights reserved
6-9
Operation
When the CLV is switched on for the first time, it is started with the factory default settings.
The following parameters must then be set:
a) Adjusting the optical reading properties
Scanning frequency R
EADING
CONFIGURATION
tab Reading Parameters
Blank zone R
EADING
CONFIGURATION
tab Start/stop ratio
Poor quality bar code print R
EADING
CONFIGURATION
tab Code label characteristics
Relative modul width R
EADING
CONFIGURATION
tab Code label characteristics
Parameterizing the autofocus mode (Part 1):
Note The minimum and maximum values for the active evaluation range of the scan line (M
IN
.
AND
M
AX
. C
ODE
P
OSITION
) can be checked in the S
HOW
CP-
LIMITS
mode.
See
Chapter 6.5.5 Show CP-limits, Page 6-26
.
Action Line scanner Line scanner with oscillating mirror
1. Activate autofocus mode R
EADING
C
ONFIGURATION
tab
F
OCUS
TRIGGER
SOURCE
Autofocus
R
EADING
C
ONFIGURATION
tab
F
OCUS
TRIGGER
SOURCE
•Autofocus
2. Choose autofocus mode A
UTOFOCUS
M
ODE
Minimum distance or
Differential background or
Differential background and tracking
see
Table 6-5, Page 6-10
A
UTOFOCUS
M
ODE
Minimum distance or
Differential background or
Differential background and tracking
see
Table 6-5, Page 6-10
3. Configure CLV for distance
measurement
(define visible range)
A
UTOFOCUS
E
DIT
R
EADING
F
IELD
Minimum Code Position CP
Maximum Code Position CP
A
UTOFOCUS
E
DIT
R
EADING
F
IELD
Minimum Code Position CP
Maximum Code Position CP
Oscillating mirror amplitude CW
4. Set up autofocus mode A
UTOFOCUS
E
DIT
A
UTO
FOCUS
A
DJUSTMENTS
Preference focus distance
Focus relase
L
IMITS
Auto focus limitation
Scan angle limitation
Auto focus space,
see
Table 6-5, Page 6-10
O
PTIMIZATIONS
Delay of focus change
Depth of field optimization
Object height passing in OTS mode
Distance measurement A
CTIVE
Source of distance information
A
UTOFOCUS
E
DIT
A
UTO
FOCUS
A
DJUSTMENTS
Prefereence focus distance
Focus relase
L
IMITS
Auto focus limitation
Scan angle limitation
Oscillating angle limitation
Auto focus space,
see
Table 6-5, Page 6-10
O
PTIMIZATIONS
Delay of focus change
Depth of field optimization
Object height passing in OTS mode
Distance measurement A
CTIVE
Source of distance information
5. Choose time of focusing
(based on reading pulse)
F
OCUS
T
RIGGER
S
OURCE
Inputs/Serial/Autofocus
Immediate or Synchronous
Latched
F
OCUS
T
RIGGER
S
OURCE
Inputs/Serial/Autofocus
Immediate or Synchronous
–Latched
Table 6-4: Guide: Parameterizing autofocus mode (Part 1)
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