SICK CLV 420, Руководство по эксплуатации

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Operating Instructions Chapter 6
CLV 42x bar code scanner
Operation
8 009 981/O078/16-08-2004
©
SICK AG · Division Auto Ident · Germany · All rights reserved
6-17
D
OWNLOAD
P
ARAMETER
in the context menu.
CLV-Setup copies the parameter to the CLV temporarily.
The serial interface has been activated as the trigger source of the reading pulse and
is ready to receive appropriate commands (until the CLV is switched off).
5. Click in the toolbar.
The T
ERMINAL
E
MULATOR
dialog box is then displayed.
The CLV is in reading mode.
6. Click the SW-T
RIGGER
O
N
button or press [F7].
CLV Setup sends a start command to the CLV.
The "Laser On" LED lights up. The red scan line then appears.
7. Present the bar code sample from Fig. 6-1, Page 6-3 .
8. Click the SW-T
RIGGER
O
FF
button or press [F8].
CLV Setup sends a stop command to the CLV.
The "Laser On" LED is extinguished. The CLV switches off the laser diode.
The CLV outputs a tone via the beeper to indicate that the reading result is displayed in
the output window of the terminal emulator. The "Result" LED lights up for a duration of
100 ms (default setting).
6.5.2 Percentage evaluation
In the Percentage evaluation mode, the reading quality of bar codes which enter the reading
field of the CLV and are not moved (conveyor off) is assessed.
The CLV performs 100 scans in “Free Running“ mode and evaluates the reading quality. It
outputs the reading result continuously every 2 s via the terminal interface . The reading
results can be displayed in the terminal emulator of CLV Setup.
The Percentage evaluation mode can be called up by choosing V
IEW
in the menu bar or via
the terminal emulator.
1. Click in the toolbar.
The terminal emulator window is then displayed. The CLV is in reading mode.
2. Click P
ERCENT
E
VALUATION
under D
EVICE
M
ODE
.
The dialog box for choosing the distance configuration is then displayed.
3. Confirm the dialog box with "OK".
The "Device Ready" LED is extinguished. The CLV initiates the percentage evaluation
and outputs the reading results continuously. An example is shown in Fig. 6-6,
Page 6-18 .
4. Present the bar code pattern from Fig. 6-1, Page 6-3 and monitor the reading results
in the terminal emulator window.
The behavior of the "Result" LED also indicates the reading quality:
– LED is extinguished if reading quality is < 30 %
– LED flashes twice per second if the reading quality is 30 % to 70 %
– LED flashes five times per second if the reading quality is 70 % to 90 %
– LED is lit continuously if the reading quality is > 90 %