SICK CLV490 Instrucciones de operaciones descargar pdf (Pagina 115)

Operating Instructions Chapter 8

CLV 490 Bar Code Scanner

8 008 796/0000/25-06-2002

©

SICK AG · Division Auto Ident · Germany · All rights reserved

8-13

Troubleshooting

1. The "Read Result" LED default setting:

Good Read) does not light up at the end

of the reading pulse:

– continued –

•

The reading angles at which the bar code

appears to the CLV are too large

•

In the "CLV-Setup" program: choose the

C

ODE

C

ONFIGURATION

tab, D

ECODER

sec-

tion: choose Standard decoder. Down-

load temporarily to CLV!

Start P

ERCENTAGE

E

VALUATION

, choose

DISTANCE

CONFIGURATION

. Monitor read-

ing quality (reading quality > 70 %!). If

necessary, realign CLV and/or reconfig-

ure distance config-

uration. If ok, choose

SMART

DECODER

.

Download to CLV.

•

Bar code in total reflection zone

•

Evaluation criteria for bar code incorrect

•

Bar code quality inadequate

•

Optimize CLV alignment (scan line should

strike the bar code at a skew of approx.

15

°

) Use the "CLV-Setup" program to

check the quality of the read. Start P

ER

-

CENTAGE

E

VALUATION

. See Chapter 6.5.2

Percentage evaluation, Page 6-22

•

In "CLV-Setup" program: choose the

R

EADING

C

ONFIGURATION

tab, C

ODES

section. Enable all code types (except

Pharmacode), set code lengths to F

REE

.

Download temporarily to CLV!

Start P

ERCENTAGE

E

VALUATION

. Code type

and length are displayed in the reading

result. Enable recorded code type in the

C

ODES

section and disable all other

types. Enter the code length under F

IXED

on the code type tab. Download to CLV!

•

Check: sufficient blank zones present?

Print contrast adequate? Specified print

tolerances exceeded?

In the "CLV-Setup" program: choose R

EA

-

DING

C

ONFIGURATION

tab, S

EGMENTATION

section. Is

S

TART

/S

TOP

selected? Per-

form read with reference code.

2. The CLV is not transferring any reading

results to the host

•

Reading pulse is not functioning correctly

•

Wiring fault in data connection

•

Voltage level incorrect

•

Host interface in CLV parameterized

incorrectly

•

See Chapter 8.5.2 Malfunctions in Read-

ing mode: reading trigger errors,

Page 8-11

•

Check wiring as shown in Fig. 5-2,

Page 5-14

•

Measure voltages

•

In "CLV-Setup" program: choose H

OST

I

NTERFACE

tab, D

ATA

F

ORMAT

section. Are

the interface type (hardware) and data

format correct? Check settings in I

NTER

-

FACE

P

ROTOCOL

section.

3. The CLV transfers the status ST=3 to the

host in the reading result

The CLV has diagnosed a device error in the

selftest

Switch the CLV off and on again. Does the

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

the SICK Service department.

Malfunction Possible cause Remedy

Table 8-7: Troubleshooting: result output errors in Reading mode

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 213 214

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