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
6-11
Operation
Parameterization the event-controlled focus control (alternative):
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 focus control func-
tion (choose trigger source)
Ö
R
EADING
C
ONFIGURATION
tab
Ö
F
OCUS
TRIGGER
SOURCE
– Inputs/Serial or
– Timer
Ö
T
IMER
or
– Static/No Trigger
Ö
R
EADING
C
ONFIGURATION
tab
Ö
F
OCUS
TRIGGER
SOURCE
– Inputs/Serial or
– Timer or
– Static/No Trigger
–
Oscillating mirror extrema
2. Choose focus switchover
point (referred to reading
pulse)
F
OCUS
TRIGGER
SOURCE
Ö
Inputs/Serial/Autofocus
– Immediate or Synchronous
– Latched
F
OCUS
TRIGGER
SOURCE
Ö
Inputs/Serial/Autofocus
– Immediate or Synchronous
– Latched
3. Set up focus control
D
ISTANCE
C
ONFIGURATION
/A
SSIGNMENT
T
ABLE
Ö
Distance Configuration
– Focus Position
– Minimum Code Position CP
– Maximum Code Position CP
Ö
Assignment Table
– Index
– Valid Configurations
D
ISTANCE
C
ONFIGURATION
/A
SSIGNMENT
T
ABLE
Ö
Distance Configuration
– Focus Position
– Minimum Code Position CP
– Maximum Code Position CP
–
Oscillating mirror extrema
Ö
Assignment Table
– Index
– Valid Configurations
4. In I
NPUTS
/S
ERIAL
trigger
source: choose function for
"IN 3" and "IN 4" switching
inputs
Ö
D
EVICE
C
ONFIGURATION
tab
Ö
A
SSIGNMENT
IN 3
– Focus Control
Ö
A
SSIGNMENT
IN 4
– Focus Control
Ö
D
EVICE
C
ONFIGURATION
tab
Ö
A
SSIGNMENT
IN 3
– Focus Control
Ö
A
SSIGNMENT
IN 4
– Focus Control
Table 6-6: Guide: Parameterizing the event-controlled focus control