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Operating Instructions Chapter 8

CLV490 Bar Code Scanner

Troubleshooting

Additional for CLV490 integrated in OTS400 Omni Tracking System

3. The data content of the bar code output

by the CLV490 is incorrect or incom-

plete.

• The data format on the host interface is

parameterized incorrectly in the CLV490.

• The CLV490 suppresses the last charac-

ter in the bar code.

• In the "CLV-Setup" program: choose the

HOST INTERFACE tab, DATA FORMAT section.

Are the values correct?

• In the "CLV-Setup" program: choose the

CODE CONFIGURATION tab, SYMBOLOGIES

section. Click the EDIT button of the rele-

vant code.

Is the T

RANSMIT CHECK DIGIT checkbox

activated? Change if necessary.

Download to CLV490!

4. The CLV490 transfers the status ST=3

to the host in the reading result (output-

ting of ST disabled by default)

The CLV490 has diagnosed a device error

in the self-test.

Switch the CLV490 off and on again. Does

the "Device Ready" LED light up? If not,

contact the SICK Service department.

Malfunction Possible cause Remedy

Table 8-8: Troubleshooting: result output errors in Reading mode (CLV490 in stand-alone configuration) (contd.)

Malfunction Possible cause Remedy

1. OTS

Reading mode: "Start/stop"

– The "Read Result" LED on CLV490

(default setting: Good Read) does not

light up at the end of reading

interval

If the CLV490 uses object information from

OTC400 or other CLV490:

CLV490 is not receiving any object informa-

tion.

In the "CLV-Setup" program: choose

EADING CONFIGURATION tab, FOCUS CONTROL

section: "OTS height information" selected?

2. OTS

Reading mode: "Tracking"

– The "Read Result" LED on CLV490

(default setting: Good Read) does not

light up during reading process

• CLV490 is not receiving any increment

information from OTC400.

• Release points incorrectly parameterized

in the CLV490.

• Check connection and parameterization

of incremental encoder on the OTC400,

see OTS400 Operating Instructions (no.

8008869, English edition).

• In the "CLV-Setup" program: choose the

EVICE CONFIGURATION tab, click the TRACK-

ING PARAMETERS button: are the values

correct? Is the object release point of

CLV490 within the limits of the object re-

lease point of OTC400?

3. OTS

Reading mode: "Tracking "

– OTC400 not sending any reading

results to the host

• If an incremental encoder is connected:

the sensor is transferring an incorrect

conveyor speed to the arrangement. As

a result, the OTC400 cannot correctly as-

sign bar codes to the objects.

• If an internal increment pulse is used in

the arrangement:

the pulse does not match the actual con-

veyor speed.

• Check contact between the incremental

encoder and conveyor belt

• If objects are read on a section between

belts, checks whether the conveyor

speed of the two belts is different

• Adapt the internal increment pulse to the

actual conveyor speed or connect an ex-

ternal incremental encoder to OTC 400 if

the conveyor speed is not constant

(parameterize switching input according-

ly)

Table 8-9: Troubleshooting: result output errors in Reading mode (CLV490 integrated in the OTS400 Omni Tracking System)

1 2 ... 154 155 156 157 158 159 160 161 162 163 164 ... 269 270

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