Pepperl+Fuchs VB14A User Manual

MANUAL
BARCODE SCANNER VB14A
FACTORY AUTOMATION
VB14A
With regard to the supply of products, the current issue of the following document is applicable:
The General Terms of Delivery for Products and Services of the Electrical Industry, published by
in their most recent version as well as the supplementary clause: "Extended reservation of title".
Date of issue 12/2005 Part No. 190311
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Contents
1 REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Reference Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Service, Support and Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 SAFETY REGULATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.1 Laser Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Standard Regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 GENERAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4 GUIDE TO INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
5 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1.1 Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Model Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 Accessory Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
6.1 Package Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1.1 Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.1.2 Mounting VB14A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1.3 Mounting the Scanner with Deflection Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2.1 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.2.2 Main Serial Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.2.3 Auxiliary RS232 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.2.4 Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2.5 Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.4 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.5 Typical Layouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.5.1 Point-to-Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.5.2 Pass-Through . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.5.3 RS232 Master/Slave. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.5.4 RS485 Master/Slave. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7 READING FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
7.1 Advanced Code Builder (ACB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.1.1 Important ACB Reading Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1.2 Tilt Angle Improvement with ACB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2 Linear Code Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2.1 Step-Ladder mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2.2 Picket-Fence mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.3 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.3.1 Raster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.4 Reading Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Date of issue 12/2005
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
epperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
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Contents
8 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
8.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
9 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
9.1 General Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10 TECHNICAL FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
11 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Declaration of conformity
declares that the
VB14A-XXXX Laser Scanner
and all its models
are in conformity with the requirements of the European Council Directives listed below:
89/336/EEC EMC Directivee92/31/EEC, 93/68/EECemendamenti successivi
and further amendments
On the approximation of the laws of Member States relating to electromagnetic compatibility and product safety.
This declaration is based upon compliance of the products to the following standards:
EN 55022, August 1994:LIMITS AND METHODS OF MEASUREMENTS OF RADIO DISTURBANCE CHARACTERISTICS OF INFORMATION TECHNOLOGY EQUIPMENT (ITE)
EN 61000-6-2, October 2001:ELECTROMAGNETIC COMPATIBILITY (EMC).
PART 6-2: GENERIC STANDARDS - IMMUNITY FOR INDUSTRIAL
ENVIRONMENTS
Lippo di Calderara, 14/09/2004
Ruggero Cacioppo
Quality Assurance Supervisor
A corresponding declaration of conformity can be requested from the manufacturer.
Information
Pepperl+Fuchs GmbH in D-68301 Mannheim possesses a certified quality assurance system in accordance with ISO 9001.
ISO9001
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REFERENCES

1 REFERENCES

1.1 Conventions

This manual uses the following conventions:
• "User" or "Operator" refers to anyone using a VB14A.
• "Device" refers to the VB14A.
• "You" refers to the System Administrator or Technical Support person using this manual to install, mount, operate, maintain or troubleshoot a VB14A.

1.2 Reference Documentation

The documentation related to the VB14A is listed below:
• C-BOX 100 Installation Manual
• C-BOX 300 Installation Manual
• VisoSetup Help On Line

1.3 Service, Support and Warranty

Pepperl+Fuchs provides several services as well as technical support through its website. Log on to www.pepperl-fuchs.com ' Factory automation for further information.
Date of issue 12/2005
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
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SAFETY REGULATIONS

2 SAFETY REGULATIONS

2.1 Laser Safety

The following information is provided to comply with the rules imposed by international authorities and refers to the correct use of the VB14A scanner.

2.2 Standard Regulations

This scanner utilizes a low-power laser diode. Although staring directly at the laser beam momentarily causes no known biological damage, avoid staring at the beam as one would with any very strong light source, such as the sun. Avoid that the laser beam hits the eye of an observer, even through reflective surfaces such as mirrors, etc.
This product conforms to the applicable requirements of both EN 60825-1 and CDRH 21 CFR 1040 at the date of manufacture. The scanner is classified as a Class 2 laser product according to EN 60825-1 regulations and as a Class II laser product according to CDRH regulations.
There is a safety device which allows the laser to be switched on only if the motor is rotating above the threshold for its correct scanning speed.
The motor and laser beam can be switched off through a software command (see also the VisoSetup Help On Line).
Use of controls or adjustments or performance of procedures other than those specified herein may result in exposure to hazardous visible laser light.
Warning
The laser light is visible to the human eye and is emitted from the window on the front of the scanner (figure 3.1 (7)).
General notes
Warning labels indicating exposure to laser light and the device classification are applied onto the body of the scanner (figure 3.1).
Warning and device class labels
AVOID EXPOSURE-LASER LIGHT IS
EMITTED FROM THIS APERTURE
LISTED
ACCESSORY
U
45 AF
L
R R
i.T.E.
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This product conforms to the applicable requirements of 21CFR1040 at the
U
L
date of manuffacture.
LASER LIGHT DO NOT STARE INTO BEAM CLASS 2 LASER PRODUCT
MAX. OUTPUT RADIATION 1 mW
EMITTED WAVE LENGTH 630-680 NM
CAUTION - LASER LIGHT WHEN OPEN
AVOID EXPOSURE TO BEAM
TO IEC 825-1 (1993)
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SAFETY REGULATIONS
Disconnect the power supply when opening the device during maintenance or instal­lation to avoid exposure to hazardous laser light.
The laser diode used in this device is classified as a class 3B laser product according to EN 60825-1 regulations and as a Class IIIb product according to CDRH regulations. As it is not possible to apply a classification label on the laser diode used in this device, the following label is reproduced on the right.
Any violation of the optic parts in particular can cause radiation up to the maximum level of the laser diode (7 mW at 630 to 680 nm).
Laser diode class label
LASER LIGHT
AVOID EXPOSURE TO BEAM
CLASS 3B LASER PRODUCT
MAX. OUTPUT RADIATION 7 nW
EMITTED WAVE LENGTH 6 30~680 nm
TO IEC 825-1 (1993)

2.3 Power Supply

-This product is intended to be installed by Qualified Personnel only.
- All Models:
This accessory device is intended to be supplied by a UL Listed or CSA Certified Power Unit with "Class 2" or LPS power source which supplies power directly to the scanner via the 25-pin connector.
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ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
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GENERAL VIEW

3 GENERAL VIEW

5
4
3
2
1
VB14A
6
8
7
1
Power ON/Data TX LED Mounting holes
2
External Trigger LED Warning and device Class
3
Good read LED Laser beam output window
4
Laser ON LED Accessory mounting screws
5 6
7 8
Figure 3.1 VB14A General view
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GUIDE TO INSTALLATION

4 GUIDE TO INSTALLATION

The following can be used as a checklist to verify all of the steps necessary for complete installation of the VB14A scanner.
1. Read all information in the section "Safety Precautions" at the beginning of this manual.
2. Correctly mount the reader using the bracket provided according to the information see Section 6.1.2
3. Position the reader at the correct reading distance according to your model as shown see Section 6.4
4. Make electrical connections to your VB14A scanner by either:
a) Connecting the test cable to the VB14A scanner as described in figure 6.17
b) Providing correct and complete system cabling according to the signals
necessary for the layout of your application.
• Layout: Point-to-point, RS485 Master/Slave, RS232 Master/Slave, See sub-para-
graphs under see section 6.5 for reference.
• "Cabling: Power, Main Serial Interface, Auxiliary Interface (RS232), Inputs, Out-
puts, etc. For further details, see all sub-paragraphs under section 6.2
5. Configure the VB14A scanner by installing and running the VisoSetup configuration program from the CD- ROM provided. The main steps are:
•"Select the codes to be read
•"Set-up the communication parameters
•"Define data formatting parameters
•"Fine tune your VB14A scanner using the Test Mode as described in VisoSetup.
Specific parameter details are available in the Help On Line. See also the Guide To Rapid Configuration link.
6. Exit the configuration program and run your application.
The installation is now complete.
Date of issue 12/2005
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
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INTRODUCTION

5 INTRODUCTION

5.1 Product description

The VB14A laser scanner satisfies the most advanced needs of a wide range of users. It has been developed focusing on the realistic requirements of its target market. The outstanding result is an extremely compact, cost-effective and easy to use industrial scanner.
Standard Application Program A standard application program is factory-
Custom Application Programs If the Standard Application Program doesn't
Some of the main features of VB14A are listed below:
• ACB (Advanced Code Builder)
• small dimensions and light weight
• software programmable scanning speed (500 to 1000 scans/sec)
• linear and raster versions
• completely configurable via serial interface (VisoSetup)
• 2 serial communication interfaces
• supply voltage from 10 to 30 Vdc
• reads all popular codes
• test mode to verify the reading features and exact positioning of the scanner with­out the need for external tools
• programmable in 4 different operating modes to suit the most various barcode reading system requirements
• code verifier
The VB14A uses a solid state laser diode as a light source; the light emitted has a wavelength between 630 and 680 nm. Refer to the section "Safety precautions" at the beginning of this manual for information on laser safety.
The protection class of the enclosure is IP65, the reader is therefore suitable for industrial environments where high protection against harsh external conditions is required.
loaded onto the VB14A. This program controls barcode reading, serial port interfacing, data formatting and many other operating and con­trol parameters. It is completely configurable from a host com­puter through the VisoSetup utility program provided on CD-ROM with the scanner, or through ESC sequences via the serial inter­face.
meet your requirements, please contact your local P+F distributor.
Date of issue 12/2005
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INTRODUCTION

5.1.1 Indicators

The four LEDs on the side of the scanner indicate the following:
PWR/TXD LED (red) (figure 3.1 (1)) indicates the reader is connected to
GOOD READ LED (red) (figure 3.1 (3)) is used to signal the possibility of a
EXT TRIG LED (yellow) (figure 3.1 (2)) indicates external trigger activity.
LASER ON LASER ONLED (green) (figure 3.1 (4)) indicates laser ON
The screw holes on the body of the reader are for mechanical fixture (see section 3.1 (5)).

5.2 Model Description

The VB14A scanner is available in versions that differ in regard to the following parameters:
• Resolution
• Linear or raster models
• Performance
The following models are therefore available:
Max. Reading Distance R = Raster
the power supply or, when blinking (green), data transmission.
successful barcode reading.
Refer to see section 6.2.4.
state.
VB14A--
The following tables display each version's reading performance.
Version Max Code Resolution Speed
Pin mm (mils) scans/s VB14A-600 / VB14A-600-R 0.35 (14) 600 to 1000 VB14A-440 / VB14A-440-R 0.25 (10) 600 to 1000 VB14A-340 / VB14A-340-R 0.20 (8) 600 to 1000 VB14A-310 / VB14A-310-R 0.20 (8) 800 to 1000 VB14A-100 / VB14A-100-R 0.12 (5) 800 to 1000 VB14A-300 / VB14A-300-R 0.20 (8) 500 to 800
Date of issue 12/2005
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
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INTRODUCTION
Version Reading Distance
VB14A-600 / VB14A-600-R 190 mm (7.5 in) - 600 mm (23.6 in)
on 0.50 mm (20 mils) codes
VB14A-440 / VB14A-440-R 100 mm (3.9 in) - 440 mm (17.3 in)
on 0.50 mm (20 mils) codes
VB14A-340 / VB14A-340-R 75 mm (3 in) - 340 mm (13.4 in)
on 0.35 mm (14 mils) codes
VB14A-310 / VB14A-310-R 50 mm (1.8 in) - 310 mm (11.8 in)
on 0.50 mm (20 mils) codes
VB14A-100 / VB14A-100-R 45 mm (1.8) - 100 mm (3.9 in)
on 0.20 mm (8 mils) codes
VB14A-300 / VB14A-300-R 40 mm (1.6 in) - 300 mm (11.8 in)
on 0.50mm (20 mils) codes
See reading diagrams see section 7.3 for further details.

5.3 Accessory Installation

The following accessories are available on request for the VB14A:
Name Description Part Number
C-BOX 100 Connection Box 115195 C-BOX 300 Connection Box Profibus 127109
Deflection mirror VB14 Deflection mirror 90° 115196
OM14A Oscillating mirror
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INSTALLATION

6INSTALLATION

6.1 Package Contents

Verify that the VB14A reader and all the parts supplied with the equipment are present and intact when opening the packaging; the list of parts includes:
1. VB14 reader with cable
2. Mounting kit: - bracket
- screws
With your order the following items are included:
CD-ROM containing operating manual, configuration tool VisoSetup, and bar code test chart.
1
2
Figure 6.1 VB14A package contents
Date of issue 12/2005
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INSTALLATION

6.1.1 Mechanical Installation

VB14A can be installed to operate in different positions. The four screw holes (M4 x
5) on the body of the reader are for mechanical fixture (figure 3.1 (5)). The diagrams below give the overall dimensions of the scanner and mounting bracket and may be used for installation.
see section 6.4 for correct positioning.
VB14A
23.3
14.5
10.3
=
46
68
42
73
2.5
4.2
40.0
=
9
7.8
R 40
4.2
20˚
Figure 6.2 Overall dimensions
A83.6
5
VB14A
34
Mounting bracket
13.8
30
2.5
bottom view
17.5
90˚
14.6
M 4
10.3
B
40.0
1x45˚
4.2
23
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INSTALLATION

6.1.2 Mounting VB14A

Using the VB14A mounting bracket you can obtain the most suitable position for the reader as shown in the figure below:
Skew
Pitch
Skew
Tilt
Figure 6.3 Positioning with Mounting Bracket
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INSTALLATION

6.1.3 Mounting the Scanner with Deflection Mirror

• "The is a 90° deflection mirror
The reading position with respect to the scanner is shown below for each mirror.
90˚ ± 2˚
Figure 6.4 Laser Beam Output Position
The installation of the deflection mirror is very easy
Avoid any contact with the deflection mirror, mirrored rotor, the lenses or other optical components, otherwise the performance of the reader will be reduced.
Warning
1. Turn off the device.
2. Remove the VB14A scanning window unscrewing the two cover screws.
3. Fix the mirror to the device by means of the two fixing screws.
4. Remount the scanning window so that the opening face is now at 90° with respect to the VB14A body.
Deflection mirror
Cover screws
Scanning window
Fixing screws
Figure 6.5 Installation of the Deflection Mirror
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Date of issue 12/2005
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INSTALLATION

6.2 Electrical Connections

The VB14A models are equipped with a cable terminated by a 25-pin male D-sub connector for connection to the power supply and input/output signals.
Do not connect GND and SGND to different (external) ground references. GND and SGND are internally connected through filtering circuitry which can be permanently damaged if subjected to voltage
Warning
The details of the connector pins are indicated in the following table:
Figure 6.6 25-pin male D-sub connector
6, 10, 14,
15, 16, 17
drops over 0.8 V DC.
113
14 25
25-pin D-sub connector pinout
Pin Name Function
13 10 ... 30 V DC Power supply input voltage + 25 GND Power supply input voltage -
1 CHASSIS Chassis Ground
9 10 … 30V DC External Trigger supply voltage + 18 EXT. TRIG.+ External Trigger + 19 EXT. TRIG.- External Trigger -
8 OUT1 + Output 1 + 11 OUT2 + Output 2 + 12 OUT REF. Output reference 22 OUT REF. Output reference 20 RX232 Auxiliary RX RS232 21 TX232 Auxiliary TX RS232 23 CTS232 Auxiliary hanshake CTS RS232 24 RTS232 Auxiliary handshake RTS RS232
NC Not connected
Pin RS232 RS485
full-duplex
Date of issue 12/2005
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
epperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
RS485
half-duplex
17
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