Name: SICK Advanced Series
Brand: SICK
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Operating Instructions Chapter 6

CLV490 Bar Code Scanner

Operation

The selected reading mode depends on the number of objects that are simultanously in the

reading field of the CLV490 during each reading interval. This is independent of the number

of bar codes on the actual object. Table 6-10 shows an overview of the configurations and

applications.

A. CLV490 in stand-alone configuration

A1. Start/stopp mode

• One object in the reading field per reading interval, reading one side

Possible reading triggers:

• One external sensor (e. g. photoelectric reflex switch)

• Two external sensors

• Command strings

• Free-running mode

• Object polling (Autofocus mode "Minimum distance“ or "Differential background")

Further preparations:

¾ Configuring reading area: see Chapter a)Parameterizing reading area, Page 6-10.

¾ Selecting focus control mode: see Chapter b) Selecting focus control mode,

Page 6-11.

¾ Configuring focus control: see Chapter c) Parameterizing focus control, Page 6-12.

¾ Configuring oscillating mirror (optional): see Chapter e) Parameterizing oscillation mirror

functions (optional), Page 6-17.

¾ Configuring no. of bar codes to be read: see Chapter h) Parameterizing the evaluation

characteristics, Page 6-36.

Note The size of the reading field is determined by the distance between the start and stop

sensors in conveying direction (see Fig. 3-5, Page 3-9). In object polling mode, the CLV490

detects automatically an object entering or leaving the reading field.

To separate bar codes of the same type with identical contents, connect an incremental

encoder and activate the "Seperate codes dependent on reading angle" function. See also

Chapter Separation of identical bar codes (same code type/identical contents), Page 6-36.

f) Parameterizing reading mode

Configuration Application See Page

A. Stand-alone Start/stop mode

• One object in reading field per reading interval, reading one side

Tracking mode (controlled by increment)

• Max. 10 objects in reading field per reading interval, reading one side, with

internal object tracking

6-21

6-27

B. Used in Omni Portal System

(arrangement with OTS400

and other CLVs)

Start/stop modes

• One object in reading field per reading interval, CLV490 involved in reading one

side or more sides, master/slave arrangement with OTC400 controller

Tracking mode (controlled by increment)

• Max. 20 objects in reading field per reading interval, CLV490 involved in reading

one side or more sides, with object tracking by the OTC400 controller

6-30

6-33

Table 6-10: Overview: CLV490 applications in stand-alone configuration or in arrangement with OTS400

Light Source	LED, visible red light (660 nm)
Protection Class	IP65
Typical Scan Rate	500 scans/s
Ambient Operating Temperature	0 °C ... +50 °C
Power Supply	10 V DC ... 30 V DC

SICK Advanced Series User Manual

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SICK Advanced Series Specifications

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