Allen-Bradley 2755-HUG-4 Manuale utente
User
Manual
Hand-Held
Undecoded Bar
Code Scanner
Cat. No. 2755-HUG-4,
2755-HUG-9
Allen-Bradley
Publication2755-6.1
Important User Information
Because of the variety of uses for the products described in this publication,
those responsible for the application and use of this control equipment must
satisfy themselves that all necessary steps have been taken to assure that each
application and use meets all performance and safety requirements, including
any applicable laws, regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in this
guide are intended solely for purposes of example. Since there are many
variables and requirements associated with any particular installation,
Allen-Bradley does not assume responsibility or liability (to include intellectual
property liability) for actual use based upon the examples shown in this
publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application,
Installation, and Maintenance of Solid-State Control (available from your local
Allen-Bradley office), describes some important differences between solid-state
equipment and electromechanical devices that should be taken into consideration
when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or in part,
without written permission of Allen-Bradley Company, Inc., is prohibited.
Throughout this manual we use notes to make you aware of safety
considerations:
!ATTENTION: Identifies information about practices or
circumstances that can lead to personal injury or death,
property damage or economic loss.
Attention statements help you to:
•identify a hazard
•avoid the hazard
•recognize the consequences
Important: Identifies information that is critical for successful application and
understanding of the product.
Table of Contents
Publication2755-6.1
Preface
IntendedAudience P–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents of this Manual P–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RelatedPublications P–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Laser Warning Symbol P–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 1 Scanner Features
ScannerFeatures 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Indicators 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SafetyLabels 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ScanningRanges 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Range Scanner (Catalog No. 2755-HUG-4) 1–6. . . . . . . .
Extended Range Scanner (Catalog No. 2755-HUG-9) 1–7. . . . . . .
Accessories 1–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2 Connecting and Operating Scanner
CompatibleDecoders 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ScannerCable 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the Scanner to a Decoder 2–3. . . . . . . . . . . . . . . . . . . . .
Operating the Scanner 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spotter Beam 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AutomaticShutoff 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AudibleResponse 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OperatingTips 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
toc–ii
Publication2755-6.1
Chapter 3 Troubleshooting and Maintenance
Troubleshootingthe Scanner 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Scan Window 3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
Appendix A
Connector Pinouts
Appendix B
European Union Directive Compliance
Appendix C
Glossary
Preface
Publication2755-6.1
Using this Manual
Read this preface to familiarize yourself with the rest of the manual.
This preface covers the following topics:
•intended audience
•chapter contents
•laser warning symbol
•related publications
Intended Audience
No special knowledge is required to understand this document or to use
the scanner. Undecoded scanners require a decoder. We assume that you
are familiar with the operation and cable inputs to your decoder.
P–2
Publication2755-6.1
Contents of this Manual
The following table briefly describes the contents of each section.
Chapter Title Contents
Preface Using this Manual Describes the purpose, background, and scope
of this manual. Also provides a list of related
publications.
1Scanner Features Overview of the scanner. Includes read range
charts and description of accessory items.
2Connecting and Operating
the Scanner Describes how to connect the scanner to a
decoder. Operating tips are also provided.
3Troubleshooting and
Maintenance
Provides solutions to the most common
operating problems. Also includes instructions
on cleaning the scan window.
Appendix A Specifications Provides physical, electrical and environmental
specifications.
Appendix B Scanner Connector
Pinouts Provides scanner pinout signal names and a
brief description of each.
Appendix C European Union
Compliance Directives Lists requirements for use of scanner within the
European Union.
Glossary Provides definitions for commonly used
terminology.
Inside Back
Cover Bar Code Test Symbols Sample symbols useful for testing the operation
of your bar code system.
P–3
Publication2755-6.1
Related Publications
Below is a list of related publications you may need to refer to when
using the scanners.
Publication No. Title
2755-921 Bar Code Basics
Describes bar code symbologies, equipment, and typical applications.
2755-833 User Manual for
DS/DD Series B Enhanced Decoders
2755-ND010 User Manual for
Single-Head Enhanced Decoder (Catalog No. 2755-DS1A)
2755-ND011 User Manual for
Dual-Head Enhanced Decoder (Catalog No. 2755-DD1A)
2755-2.37 Product Data Sheet for
Bulletin 2755 Gun Adapter (Catalog No. 2755-NC16)
Laser Warning Symbol
Be aware of the following laser caution symbols.
LASER LIGHT
DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
680nm LASER
1.0 MILLIWATT MAX OUTPUT
RAYONNEMENT LASER
NE PAS REGARDER DANS LE FAISCEAU
APPAREIL A LASER DE CLASSE 2
LASER–STRAHLUNG
NICHT IN DEN STRAHL BLICKEN !
LASER KLASSE 2
Chapter 1
Publication2755-6.1
Scanner Features
This chapter describes the features of the standard and extended range,
undecoded scanners. Included are descriptions of:
•major features
•LEDs
•scanning ranges
•safety labels
•accessories
1–2
Publication2755-6.1
Scanner Features
The scanners use a low power visible (red) laser diode for scanning. The
trigger turns on the laser which scans a label at approximately 36 scans
per second.
Trigger
Cable Connector
LEDs
The laser beam:
-exits through the scan window
-reflects off the label back through the window
-is detected by a sensor in the scanner
When a label is read, the laser beam is automatically turned off until the
trigger is pressed again. If no label is read, the laser beam automatically
turns off after approximately 3 seconds and remains off until the trigger
is released and pressed again.
Note: The Extended Range Scanner (Catalog No. 2755-HUG-9) has a
two position trigger. The first detent provides a spotter beam and the
second position provides a scan line.
1–3
Publication2755-6.1
LED Indicators
On the back of the scanner there is a clear window through which two
LEDs are visible.
Green Red
Green LED = Good Read, indicating that a bar code symbol has been
scanned and decoded. LED remains on until the next scan
(trigger pressed).
Red LED = Scanning, indicating that the laser light is on.
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1
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