Pepperl+Fuchs VB34-2500-OM-P User manual

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User manual

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FACTORY AUTOMATION
Instruction Manual
Barcode Reader VB34
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 the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und Elektroindus-
trie (ZVEI) e.V.)
in its most recent version as well as the supplementary clause: "Expanded reservation of proprietorship"
We at Pepperl+Fuchs/VISOLUX recognize a duty to make a contribution to the future.
For this reason, this printed matter is produced on paper bleached without the use of chlorine.
Barcode reader VB34
Table of contents and general information
S
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
P
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
Date of issue 06/13/2005
1
1 REFERENCE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1 ADDITIONAL DOCUMENTATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Maintenance, support and warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2.1 Maintenance and support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Safety regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1 Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Laser safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2.1 Standard regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Device views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
4 Installation overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.1 Point-to-point installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Lonworks master/slave installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Available models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.4 Oscillating mirror models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
6.1 Contents of the package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2 Mechanical installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2.1 Installation of the reader. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2.2 Installation of the reader with accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.3 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.3.1 Primary/secondary interface and I/O connections . . . . . . . . . . . . . . . . . . . . . . . . 23
6.3.2 Lonworks connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.3.3 Ethernet connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.3.4 DeviceNet connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3.5 Profibus connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3.6 Voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.4 Operator interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.5 Adjusting the reader. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.6 Typical installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.6.1 Standard installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.6.2 Installation with an angle of rotation of 45°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.7 Typical hardware configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.7.1 Point-to-point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.7.2 Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.7.3 RS232 master/slave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.7.4 Multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.7.5 Local Lonworks network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.7.6 Fieldbus network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.8 FLASH™ dynamic focusing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
6.8.1 Fixed adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Barcode reader VB34
Table of contents and general information
S
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
P
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
Date of issue 06/13/2005
2
6.8.2 Continuous adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.8.3 Trigger operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.8.4 D-Flash™ operating mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.9 Key field and display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.9.1 Internal Net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.9.2 Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7 Software configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
7.1 Software installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.2 Hints on quick configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.2.1 Assistant for quickly setting up the reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.2.2 Network Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
7.3 Enhanced configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
7.4 Basic settings for parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8 Optical properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
8.1 ACR technology (ACR™ 3 reconstruction). . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.1.1 Tilt angle for the ACR reconstruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.2 PackTrack™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8.2.1 PackTrack™ calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
8.3 Read diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
8.3.1 VB34 standard model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
8.3.2 VB34 model with reflex mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
9.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
10 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
11 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
12 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
13 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
General information
This symbol warns the user of possible danger. Failure to heed this
warning can lead to personal injury or death and/or damage to
equipment.
This symbol warns the user of the possibility of device failure. Failure to
observe this warning can lead to the complete failure of the device or
any device connected to it.
This symbol advises the user of important tips.
Warning
Attention
Note
Barcode reader VB34
Table of contents and general information
S
ubject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
P
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
Date of issue 06/13/2005
3
Declaration of conformity
We, Pepperl+Fuchs GmbH, declare herewith at our sole responsibility that the
Barcode Scanner VB34
and all models of this product to which this declaration pertains, are compliant with
the following standards and other regulating documents
EN 55022, August 1994: RADIO INTERFERENCE OF INFORMATION
TECHNOLOGY EQUIPMENT (ITE), MEASURING
METHODS AND LIMITS
EN 50082-2, March 1995: ELECTROMAGNETIC COMPATIBILITY,
GENERIC IMMUNITY STANDARD PART 2:
INDUSTRIAL AREA
and the guidelines of the following directive(s):
89/336 CEE AND SUBSEQUENT CHANGES MADE,
92/31 CEE; 93/68 CEE
Pepperl+Fuchs GmbH, in D-68301 Mannheim, has a certified quality assurance
program in accordance with ISO 9001.
A corresponding declaration of conformity may be requested from the
manufacturer.
Note
ISO9001
Barcode reader VB34
REFERENCE INFORMATION
Date of issue 06/13/2005
4Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
1 REFERENCE INFORMATION
1.1 ADDITIONAL DOCUMENTATION
The following additional documentation on the VB34 system is available:
C-BOX100 manual
GFC-60 90° deflecting mirror
GFC-600 90° near range deflecting mirror
Documentation on Profibus communication
1.2 Maintenance, support and warranty
1.2.1 Maintenance and support
Pepperl+Fuchs offers a range of services as well as technical support via its website.
For further information, visit our website at www.pepperl-fuchs.com.
2 Safety regulations
2.1 Electrical safety
This product meets the applicable requirements stipulated by the European standard
EN 60950 on electrical safety in the version valid at the time of production.
2.2 Laser safety
The following information is listed for compliance with the rules defined by the
international authorities and refers to the proper use of the VB34 reader.
2.2.1 Standard regulations
This reader is provided with a low-energy laser diode. Even though, according to the
current state of knowledge, directly looking into the laser beam does not cause any
biological damage, you should avoid doing this as for all strong light sources such as
the sun.
Do not direct the laser beam, neither directly nor indirectly, e.g. via mirrors, into the
eyes of other people.
This product meets the applicable requirements of the European standard EN 60825-
1 and the standard CDRH 21 CFR1040 in the version valid at the time of production.
The reader is classified as a class 2 laser product according to EN 60825-1 and as a
class II laser product according to the CDRH regulations.
Before opening the device for maintenance or installation purposes, switch off the
voltage supply in order to avoid exposure to dangerous laser radiation.
The device is equipped with a safety device, which only switches on the laser if the
motor has reached the minimum rotational speed for read mode.
Barcode reader VB34
Safety regulations
Date of issue 06/13/2005
5
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Laser radiation is visible to the human eye and is emitted through the window in the
head of the reader (Figure 3.1 and Figure 3.2).
Warning labels that draw attention to the dangers of laser radiation and to the device
classification are located on the head of the reader (Figure 3.1 and Figure 3.2):
Figure 2.1 Laser safety labels for oscillating mirror and standard models
Figure 2.2 Warning and device classification labels
The name plate is located on the lower part of the reader (Figure 3.1):
Figure 2.3 Name plate
The laser diode used by this device is classified as a class 3B laser product according
to EN 60825-1 and as a class IIIb laser product according to the CDRH regulations.
As it is not possible to attach a label to the laser diode used by this device, the
following label is alternatively shown here:
The use of different controls or settings as well as carrying out
operations other than those described here may cause exposure to
dangerous, visible laser radiation.
Warning
Barcode reader VB34
Device views
Date of issue 06/13/2005
6Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 2.4 Classification label of the laser diode
Opening the optical components may cause radiation to be emitted with the maximum
power of the laser diode (35 mW at 630~680 nm).
2.3 Voltage supply
This product may be installed by qualified personnel only.
All VB34 models:
This device is designed for supply by a UL-listed power pack with the classification
“Class 2” or by a low-voltage power pack, which connects the supply voltage directly
via the 25/26-pin connector to the reader.
3 Device views
Figure 3.1 Device view VB34
Laser exit window
Laser safety label
Name plate
Warning and device classifi-
cation label
Service connection
Connector cover
Display and
key pad
Barcode reader VB34
Device views
Date of issue 06/13/2005
7
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 3.2 Device view VB34 reflex mirror version
Figure 3.3 Partial view of display and key pad
Laser exit window
Laser safety label
Program key pad
TXD data LED
Phase on LED
Power on LED
LCD display
Barcode reader VB34
Device views
Date of issue 06/13/2005
8Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 3.4 View of connector cover for master/slave models
Figure 3.5 View of connector cover for Ethernet models
Figure 3.6 View of connector cover for DeviceNet models
Figure 3.7 View of connector cover for Profibus models
25-pin Sub-D con-
nector for primary/
secondary interface
9-pin Lonworks socket
9-pin Lonworks connector
26-pin Sub-D con-
nector for primary/
secondary interface
9-pin Lonworks socket
RJ45 connector for Ethernet
interface
26-pin Sub-D con-
nector for primary/
secondary interface
9-pin Lonworks socket
5-pin DeviceNet connector
26-pin Sub-D con-
nector for primary/
secondary interface
9-pin Lonworks socket 9-pin Profibus socket
Barcode reader VB34
Installation overview
Date of issue 06/13/2005
9
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
4 Installation overview
4.1 Point-to-point installation
The following overview can also be used as a check list. It lists all the steps that are
required for a complete installation of the VB34 reader.
1. Read all the information in section "Safety instructions" at the beginning of this
manual.
2. Install the reader using the supplied mounting material (Chapter 6.2.2).
3. Adjust the reader to the correct reading distance for your model (Chapter 6.5).
4. Wire the VB34 reader according to the following steps:
a) Connect the VB34 reader to a C-BOX 100 (Chapter 5.5) using one of the
accessory cables.
b) Wire the C-BOX 100 with all system signals and voltages required by your
application (trigger, inputs, outputs).
Layout: Point-to-point, RS232 master/slave, Lonworks or fieldbus. For fur-
ther information, please refer to the sections in Chapter 6.7.
Cabling: supply, primary serial interface – RS232, RS485 half duplex,
RS485 full duplex, 20 mA current loop, secondary interface, inputs, outputs
etc. For further information, please refer to the sections in Chapter 6.3.
5. Configure the VB34 reader by installing and executing the configuration software
from the enclosed CD-ROM. The most important steps are:
Select the codes to be read
Configure the communication parameters
Define the data format parameters
In the test mode, adjust your VB34 reader to the application as described
in the configuration software.
6. Complete the configuration program and start your application.
The installation is now complete.
4.2 Lonworks master/slave installation
The following overview can also be used as a check list. It lists all the steps that are
required for a complete installation of the VB34 reader.
1. Perform steps 1 to 3 of the point-to-point installation.
2. Wire the VB34 reader according to the following steps:
a) Connect the VB34 master reader to a C-BOX 100 (Chapter 5.5) using one of
the accessory cables.
b) Connect the BTK-6000 termination network to the VB34 master reader as
described under “Local Lonworks network” (Chapter 6.3.2).
c) Install and wire all slave readers required for your system configuration
(Chapter 6.7).
d) Connect the BTK-6000 termination network to the last VB34 slave reader as
described under “Local Lonworks network” (Chapter 6.3.2).
Barcode reader VB34
Installation overview
Date of issue 06/13/2005
10 Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Configure the VB34 slave readers using one of the following methods:
a) Define the addresses of all VB34 slave readers via the key pad on the reader
(Chapter 6.9).
b) Configure all VB34 slave readers by installing and executing the configuration
software from the enclosed CD-ROM (Chapter 7.2.2).
Configure the VB34 master readers using one of the following methods:
c) Configure the VB34 reader as the master using the key pad of the reader
(Chapter 6.9).
d) Configure the VB34 reader as the master using configuration software
(Chapter 7.2.2).
3. Establish a connection to the VB34 master reader in order to configure the
network layout using the configuration software.
4. Configure all VB34 slave readers using the configuration software. The most
important steps are:
Select the codes to be read
Configure the communication parameters
Define the data format parameters
5. In the test mode, adjust your VB34 reader to the application as described in the
configuration software™.
The installation is now complete.
All slave readers can also be configured externally using the
configuration software and the master reader.
Note
Barcode reader VB34
Introduction
Date of issue 06/13/2005
11
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
5 Introduction
5.1 Product description
The VB34 is the high-performance laser scanner in the VISOLUX family of barcode
readers for industrial applications. With its completely new hardware and software
platform, it offers innovative and modular solutions regarding performance,
communication and maintenance.
Easy installation and operation as well as high flexibility were the most important
features during the development of the VB34. Together with the Step-a-Head™
technology, for which a patent has been applied, the innovative mechanics makes it
possible to turn the read head and the decoder base assembly independently of each
other. Step-a-Head™ makes it possible to always install the VB34 in the ideal position
by changing the position of the base assembly while the read head with the laser
maintains its optimum position. This minimises the space requirements and simplifies
the installation.
Another innovation of the VB34 is the linear motor, which can be used to control the
reading position of the scanner via software. This dynamic system with the name
Flash™ is able to assume any reading position from the minimum position to the
maximum position in less than 10 ms. In typical applications with a reading distance
of less than 1 m, the reading position is reached in 4 ms.
Thanks to a new generation of decoders with StrongARM CPU and ACR technology
(ACR™ 3 reconstruction), the VB34 reads all current barcodes, even under
demanding ambient conditions.
The reader is also available in a version with an integrated, software-programmable
oscillating mirror.
Another focus in the system design was the communication capacity of the readers.
As interfaces, Lonworks, Profibus, DeviceNet and Ethernet were each integrated into
a separate version of the decoder base assembly.
Some of the significant features of the VB34 are:
Read rate of up to 1200 read processes/second
2 serial interfaces
Reading all current codes
Operating voltage of 15 to 30 V DC
All electrical connections pluggable
Fast Lonworks interface for master/slave configurations
Supports Profibus, DeviceNet and Ethernet
5 operating modes for an optimum adjustment to different application requirements
Light source: laser diode with a wave length of 630 to 680 nm
IP64-protected housing (for Ethernet models not yet available)
Auto-ID applications are traditionally used in the area of production. With increasing
marketability, standard solutions and a dynamic competition develop. The VB3x
family with the model VB33 also has its roots in production applications. The VB34
opens up new areas of application such as, for example, transport and logistics
applications, in which the practical advantages of the new technologies come to the
fore.
Barcode reader VB34
Introduction
Date of issue 06/13/2005
12 Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Feature Practical use
Modular solution with separate head
and base assembly as well as Step-
A-Head™ function
Combination of the ideal head and base
assemblies for a given application
Scaleable solution
Reduced tool life, as the decoder base
remains functional even when the head
has been removed.
Simple maintenance: All configuration
parameters remain saved in the base
assembly. When the read head is
replaced, the scanner is configured auto-
matically.
Simple installation with minimum space
requirement
Reading pallets or large objects over
greater distances and with a large
field of view
VB34 with dynamic focussing system
Flash™.
Reading objects on conveyor belts VB34 implements Packtrack™ function-
ality in order to increase the production
of the plant by a higher system through-
put.
Master is used as multiplexer in fast
Lonworks environments Economically, a very attractive offer as
there are no costs for the external multi-
plexer.
High data throughput of 1.2 Mbit/s on a
sturdy, industry-proof bus.
Configuration software Short learning time thanks to integrated
wizard
Multi-language platform
All configuration parameters are saved in
the reader.
Independent of the installed hardware
interface
Barcode reader VB34
Introduction
Date of issue 06/13/2005
13
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
5.2 Available models
The VB34 scanner is available in various versions, which differ in the following
features:
Optical system (head)
Decoder (base assembly)
The following models are available:
5.3 Displays
The VB34 decoder base assembly has an LCD display for system messages and
menus of the configuration software. The three keys on the side of the display are
used for navigating in the menus of the configuration software (Figure 3.3).
The three status LEDs have the following functions:
Power ON (Red) indicates that the reader is switched on (Figure 3.3)
Phase ON (Yellow)indicates that the presence sensor is activated (Figure 3.3).
TX Data (Green)indicates that the primary serial interface transmits data
without errors (Figure 3.3).
5.4 Oscillating mirror models
Oscillating mirror models are used when large reading areas must be covered, mainly
in the case of horizontal barcodes (picket fence barcodes).
The VB34 contains a special optical head with an integrated oscillating mirror, which
is driven by a linear motor. Speed, precision, repeatability and reliability of this drive
technology guarantee a high performance.
The new oscillating mirror is completely software-controlled and programmable. The
configuration™ software makes it possible to adjust the speed of the linear motor (and
thus the oscillation frequency) as well as the upper and lower end position for the
oscillation process as an angle.
If the oscillating mirror is programmed to read barcodes at a very small angle, position
the reader in such a way that the visual angle is at least 10° (Chapter 6.4). This angle
mirrors the smallest deflection or the scanning line that is closest to the horizontal. All
other scanning lines have a visual angle of more than 10°. This prevents a direct
reflection of the laser beam emitted by the reader.
VB34 - xxxx - OM - y
Max. distance Decoder model (base assembly)
__ = master/slave
Optical model (head) P = Profibus
_ = Standard B12 = Ethernet
OM = Oscillating mirror B7 = DeviceNet
Barcode reader VB34
Introduction
Date of issue 06/13/2005
14 Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 5.1 Visual angle for oscillating mirror models
Otherwise, the scanner can be installed with a tilt angle of 17.5° in order to achieve a
horizontally symmetric deflection range.
Figure 5.2 Reading position of the oscillating mirror
In the above example, the zone in which the scanning lines meet the reflecting surface
vertically corresponds to a neutral area in the middle of the reading field.
The mirror can be deflected by up to 40°. In relation to the central axle of the exit
window, the deflection angle is asymmetric.
Figure 5.3 Maximum deflection and asymmetry of the oscillating mirror
Barcode reader VB34
Introduction
Date of issue 06/13/2005
15
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
By configuring the oscillating mirror speed to 19 Hz, a raster for recording and reading
quickly moving objects can be reproduced.
The oscillating angles are selected in the software. The minimum and maximum
values are –2.5° and +37.5° respectively.
The scanner can be tilted so that the software setting of 17.5° lies on the horizontal
as a 0° reference.
Figure 5.4 End angle position for the oscillating mirror
These models have a higher read rate (1200 read processes/second) than the
standard models, which is not influenced by the oscillating mirror.
The following example shows a setting of +10° for the lower line and an angle of +20°
for the upper line (see figure below).
Figure 5.5 Oscillating mirror operation
For details on mounting oscillating mirror model, please refer to Chapter 6.2.1.
Hz Max. deflection
0 ... 5 40°
6 ... 10 30°
11 ... 15 20°
16 ... 19 10°
The number of scans on a given reading area can be increased by
limiting the raster width to the required minimum.
Note
Barcode reader VB34
Installation
Date of issue 06/13/2005
16 Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
5.5 Accessories
For the VB34, the following accessories can be ordered:
6 Installation
To install the system, proceed as follows
Select the installation location for the VB34.
Install the VB34 reader.
Establish all electrical connections to the system.
Direct the reader to the barcodes.
Install the configuration software on the PC.
Configure the dynamic Flash™ focussing using the configuration software.
6.1 Contents of the package
When opening the packaging, make sure that the VB34 reader is undamaged and
that all parts of the following packing list are contained in the packaging. This packing
list contains:
VB34 reader
Instruction manual
CD-ROM with the configuration software
Mounting angle and screws
Accessories Description
CAB-6002 SH3339 Cable on C-BOX 100, 2 m length
CAB-6005 SH3339 Cable on C-BOX 100, 5 m length
CAB-6012 SH3339 Cable on C-BOX 100, 2 m length (VB34 fieldbus version)
CAB-6015 SH3339 Cable on C-BOX 100, 5 m length (VB34 fieldbus version)
CAB-6102 Master/slave cable, 2 m length
CAB-6105 Master/slave cable, 5 m length
CAB-6112 Master/slave cable, without supply, 2 m
CAB-6115 Master/slave cable, without supply, 5 m
INT-60 20 mA interface card
GFC-600 90° near range deflecting mirror
C-BOX 100 Passive connection box
C-BOX 300 Profibus DP connection box
BTK-6000 Termination networks set (5 units)
FBK-6000 Quick mounting bracket (2 parts)
GFC-60 90° deflecting mirror
US-60 Mounting angle set (5 units) for multiple-side stations
If in your system the VB34 reader is connected to a C-BOX100,
please refer to the details in section "Additional documentation".
Note
Barcode reader VB34
Installation
Date of issue 06/13/2005
17
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 6.1 VB34 - contents of the package
6.2 Mechanical installation
6.2.1 Installation of the reader
Thanks to Step-a-Head™, the VB34 reader can be adjusted and installed in the ideal
reading position. By separating the head and the base assembly, you can change the
adjustment of the decoder base assembly and thus of the display, key pad and
connectors, while the head with the optical reading system maintains its optimum
position. The head and the base assembly can be turned independently of each other,
thus making a successful installation possible even in critical environments .
Figure 6.2 Step-a-Head™ function
To turn the head of the reader, perform the following steps:
1. Remove the head from the base by the unscrewing the four fixing screws.
2. Turn the head into the desired position.
3. Unscrew the two screws on the head.
4. Fix the head on the base assembly by tightening the four fixing screws again.
5. Tighten the two screws on the head.
The following figures show the total dimensions of the standard model, the oscillating
mirror model and the mounting angles for installation. For a description of the
alignment of the reader in relation to the read zone, please refer to Chapter 6.5.
Head screws
Fixing screws
Barcode reader VB34
Installation
Date of issue 06/13/2005
18 Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Figure 6.3 Dimensions VB34
Figure 6.4 Dimensions of mounting angle ST-237
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Pepperl+Fuchs VB34-2500-OM-P User manual

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