Datalogic DSE0421 Quick setup guide

DSE0421, DSE0451
Integration Guide
OEM Area Imager Decoded Scan Engine

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US7234641, US7387246, US7721966, US8113428, US8113430, US8245926, US8561906,
US8888003, US8915443, US9430689, ZL200680050007.8, ZL200980163411.X

Integration Guide i
Table of Contents
PREFACE .................................................................................................................................................................................................. VII
About this Manual ................................................................................................................................................................................................. vii
Manual Conventions ............................................................................................................................................................................ vii
Outline ............................................................................................................................................................................................................ vii
Technical Support .................................................................................................................................................................................................. viii
Datalogic Website Support .......................................................................................................................................................................... viii
Reseller Technical Support .......................................................................................................................................................................... viii
Telephone Technical Support ...................................................................................................................................................................... viii
................................................................................................................................................................................................................................. viii
INTRODUCTION........................................................................................................................................................................................... 1
Mechanical Characteristics ..................................................................................................................................................................................... 2
Overview ........................................................................................................................................................................................................... 2
Key Parameters ............................................................................................................................................................................................... 3
Dimensions ...................................................................................................................................................................................................... 3
OPTICAL CHARACTERISTICS ...................................................................................................................................................................... 5
Key Parameters ........................................................................................................................................................................................................ 5
Illumination System ........................................................................................................................................................................................ 6
Regulatory ..............................................................................................................................................................................................6
Aiming System ................................................................................................................................................................................................ 6
Aiming Pattern .......................................................................................................................................................................................6
Aiming System Parameters .................................................................................................................................................................6
Regulatory ...............................................................................................................................................................................................7
Reading Performances ................................................................................................................................................................................... 8
Test Conditions ................................................................................................................................................................................................ 8
Exit Window Recommendations ................................................................................................................................................................... 9
Avoiding scratched windows ................................................................................................................................................................9
Window material ....................................................................................................................................................................................9
Exit window properties ..........................................................................................................................................................................9
ELECTRICAL INTEGRATION...................................................................................................................................................................... 11
Overview ..................................................................................................................................................................................................................11
Host Connector (8 pins) .........................................................................................................................................................................................12
Peripherals' Connector (6 Pins) .............................................................................................................................................................................15
HW_TRIGGER Signal ..............................................................................................................................................................................................17
Software TRIGGER Commands .................................................................................................................................................................... 17
Interface Adapters ................................................................................................................................................................................................. 18
SOFTWARE FEATURES ............................................................................................................................................................................ 21
USB KB interface: ..................................................................................................................................................................................21
USB-COM driver and how it relates to the two interfaces: .............................................................................................................21
Firmware and configuration updates: ...............................................................................................................................................22
QUALITY AND RELIABILITY...................................................................................................................................................................... 23
REGULATORY & SAFETY.......................................................................................................................................................................... 25
MTBF PREDICTION (CALCULATED) ......................................................................................................................................................... 27
Product: DSE04X1 .................................................................................................................................................................................27
System RAMM: .....................................................................................................................................................................................27
Calculation Method: .............................................................................................................................................................................27
System Model: ......................................................................................................................................................................................27
Assembly Calculation Criteria: ............................................................................................................................................................28
MECHANICAL DRAWINGS ....................................................................................................................................................................... 29
DSE0421-DSE0451 Overall Dimensions ............................................................................................................................................30
DSE0421-DSE0451 Optical features ..................................................................................................................................................31
DSE0421-DSE0451 Interface Connectors Characteristics and Requirements ..............................................................................32
DSE0421-DSE0451_R Overall Dimensions ........................................................................................................................................33
DSE0421-DSE0451_R Optical features ..............................................................................................................................................34
DSE0421-DSE0451_R Interface Connector Characteristics and Requirements ..........................................................................35

ii DSE0421, DSE0451
DBC0421-DBC0451Interface Adapters ..............................................................................................................................................36
Exit Window Positioning .....................................................................................................................................................................37
Six Positions Cable with Connector ....................................................................................................................................................38
Six Positions Cable with Connector ....................................................................................................................................................39

Integration Guide iii
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iv DSE0421, DSE0451
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Integration Guide v
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- END -

vi DSE0421, DSE0451
NOTES

Integration Guide vii
Preface
About this Manual
This Integration Guide is provided to give instruction, opto-mechanical
details, and design considerations to integrate the DSE0421 and DSE0451
(designated as “scan engine” or “OEM scan engine” in this manual) specifi-
cally into equipment-integrated scanning applications.
Manual Conventions
The following conventions are used in this document:
The symbols listed below are used in this manual to notify the reader of key
issues or procedures that must be observed when using the reader:
Notes contain information necessary for properly diagnosing,
repairing and operating the reader.
CAUTION
The CAUTION symbol advises you of actions that could damage
equipment or property.
Outline
Preface (this chapter) presents information about manual conventions and
contact data.
Chapter 1. Introduction provides information about physical and perfor-
mance characteristics.
Chapter 2. Optical Characteristics.
Chapter 3. Electrical Integration offers information about electrical compo-
nents.
Chapter 4. Software Features describes software commands.
Chapter 5. Quality and Reliability.
Chapter 6. Regulatory & Safety environmental and regulatory specifications.
Appendix A, MTBF Prediction (Calculated) lists as well as environmental and
regulatory specifications.
Appendix B, Mechanical Drawings.

viii DSE0421, DSE0451
Technical Support
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Reseller Technical Support
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individualized assistance.
Telephone Technical Support
If you do not have internet or email access, you may contact Datalogic tech-
nical support at [phone] or check the back cover of your manual for
more contact information.

Integration Guide 1
Chapter 1
Introduction
Thanks to the Datalogic Scan Engine family products 04X1, the host system,
assisted by the integrator, can read either 1D and 2D barcodes by an omni-
directional WVGA grey-scale camera.
The decoder board is built around an ARM926 32bit RISC processor which is
equipped with general purpose decoding libraries, with a configuration
manager to change the internal parameters and/or the reading modes, and
with several interfaces based on the standard USB (model DSE0421) or on a
full UART interface (model DSE0451).
The DSE04X1 products have also the possibility to place the reading head
(camera + illuminator + aimer) in a different location with respect to the
decoder board (-R models). In this case, the scan engine can be embedded
into the integrator in order to change the position / inclination of the read-
ing head depending on specific requirements.
The host interface connector's pinout allows a hardware trigger to be sent,
managed directly by a push button or by an external IC. Additionally, it is
possible to send a software trigger event to the decoder board by specific
commands sent by the communication interface (USB or UART).
A laser aiming system indicates the pointing area where the barcode is sup-
posed to be placed.
Like all Datalogic products, the DSE04X1 is provided with a Green Spot light
beam that gives the user an immediate feed-back of barcode decoding suc-
cess.

Introduction
2 DSE0421, DSE0451
Mechanical Characteristics
Overview
DSE0421 / DSE0451 DSE0421-R / DSE0451-R
Decoder
Scan Engine
Host Connection*
Scan Engine
Decoder
Host Connection*
Buzzer/LED
Buzzer/LED
Buzzer Buzzer
Decoder Decoder
Scan Engine
Scan Engine
Scan Engine
Scan Engine
Green Spot
Projector
Green Spot
Projector
Host
Connection*
Host
Connection*
Peripherals’ Cable
Peripherals’ Cable
Illuminator
Scan Engine
Connection
Peripherals’
Cable
Peripherals’
Cable
LED LED
LED
LED
Decoder Decoder
(*) cable is shown for reference only, it is not included in the assembly.

Mechanical Characteristics
Integration Guide 3
Key Parameters
Dimensions
See Mechanical Drawings, starting on page 29 for further details on
mechanical features.
Parameter Value
Weight 20 g
Max Height (Beeper board not included) 13.65 mm
Max Width (Beeper board not included) 40.10 mm
Max Length (Beeper board not included) 47.86 mm

Introduction
4 DSE0421, DSE0451
NOTES

Integration Guide 5
Chapter 2
Optical Characteristics
Key Parameters
Optical Format 1/3-inch
Active Imager Size 4.51mm(H) x 2.88mm(V)
5.35mm diagonal
Active Pixels 752H x 480V
Illumination System
LED source
White emission (wavelength = 400-750 nm)
IEC 62471 – EXEMPT RISK GROUP
Aiming System
Laser source
Red emission (wavelength = 630-680 nm)
Pulsed source: maximum lamp duration 15ms, repetition rate
16.6 ms
Maximum emitted power: 1 mW
IEC 60825 – CLASS 2 LASER PRODUCT
Tilt Tolerance • Up to ± 180°
Pitch Tolerance ± 65°
Skew Tolerance ± 60°
Field of View 40° H x 26° V
Parameter Value

Optical Characteristics
6 DSE0421, DSE0451
Illumination System
The Illumination System is comprised of two white LEDs and non-imaging
optics designed to provide first-class reading performances, even in total
darkness.
Regulatory
• EN/IEC 62471 (exempt)
Aiming System
The aiming system is based on a 650nm laser diode and related optics. It
projects a highly visible 4-Dot aimer with center-cross for targeted scan-
ning.
Aiming Pattern
The central cross represents the center of the field of view, while the four
dots show the boundaries of the field of view.
Figure 1. Projected pattern at 200 mm
Aiming System Parameters
Parameter Value
Wavelength 630-680 nm
Beam Divergence 35° (horizontal) x 25° (vertical) – see drawings on
page 31
Maximum pulse duration 15ms
Repetition rate 16.6ms
Maximum output power 1mW
Laser aperture See drawings on
page 31

Key Parameters
Integration Guide 7
Regulatory
• EN/IEC 60825-1:2007 (class 2)
• 21 CFR 1040 (CDRH) (class II)
WARNING
Viewing the laser output with certain optical instruments (for
example, eye loupes, magnifiers, and microscopes) within a dis-
tance of 100mm may pose an eye hazard.
Figure 2
. Regulatory label
WARNING
STANDARD LASER SAFETY REGULATIONS
This product conforms to the applicable requirements of both CDRH 21 CFR 1040
and EN 60825-1 at the date of manufacture. For installation, use and maintenance,
it is not necessary to open the device.
Use of controls or adjustments or performance of procedures other than those
specified herein may result in exposure to hazardous visible laser light.
The product 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.
ATTENTION
NORMES DE SECURITE LASER
Ce produit est conforme aux normes de sécurité laser en vigueur à sa date de fabri-
cation: CDRH 21 CFR 1040 et EN60825-1. Il n’est pas nécessaire d’ouvrir l’appareil
pour l’installation, l’utilisation ou l’entretien.
L'utilisation de procédures ou réglages différents de ceux donnés ici peut entraîner
une dangereuse exposition à lumière laser visible.
Le produit utilise une diode laser. Aucun dommage aux yeux humains n’a été con-
staté à la suite d’une exposition au rayon laser. Eviter de regarder fixement le rayon,
comme toute autre source lumineuse intense telle que le soleil. Eviter aussi de
diriger le rayon vers les yeux d’un observateur, même à travers des surfaces
réfléchissantes (miroirs, par exemple).

Optical Characteristics
8 DSE0421, DSE0451
Reading Performances
Symbolog
y
Resolution
[mils]
Distance
Guaranteed Typical
min [mm] max
[mm] min [mm] max [mm]
Code 39 3Maximum resolution (test at 105 mm)
Code 39 570 190 65 210
EAN13 13 55 360 55 390
Datamatrix 15 45 230 40 250
Code 39 20 FOV limited 470 FOV limited 500
Note 1: see Test Conditions below
Note 2: for additional information on exit window disposal, see Appendix B of this docu-
ment.
Test Conditions
All distances are taken on axis from the illumination lenses at the following
typical conditions:
• “in open air” means without any interposed transparent or semi-trans-
parent material
• environmental light = 300 lux
•Pitchangle=10°
•Skewangle=0°
• Tilt angle = 10° (1D labels) – 0° (2D labels)
Figure 3. Performance Test Conditions

Key Parameters
Integration Guide 9
Exit Window Recommendations
The use of a double-sided AR coated exit window is strongly rec-
ommended.
Avoiding scratched windows
Scratches on the exit window can strongly affect the reading performance. It
is recommended to use an exit window having a scratch-resistant coating
and to position the engine window in a recessed position.
Window material
The exit window is an integral part of the imaging system and should be
designed and selected to preserve the optical quality of the system. It is rec-
ommended to use only cell-cast plastics or optical glass.
Common materials and their characteristics are shown in Table 1below.
Table 1. Exit window materials
Optical Quality Very good Very good
Surface Hardness Hard coating required Hard coating required
Impact Resistance Good Good
Chemical / UV Resistance Susceptible Susceptible
Ultrasonically Welding Compatible Compatible
Exit window properties
Recommended properties/performance of the exit window are reported in
Table 2.
Table 2. Exit Window Properties
Material PMMA or CR39 or equivalent
Thickness 1.5mm
Wavefront distortion
0.2 wavelengths peak-to-valley maximum and

0,04 λ maximum rms over any 2.0mm diameter within the clear
aperture
Clear aperture To extend to within 1.0mm of edges all around
Surface quality 60/20 scratch/dig
AR coating
•doublesided
• transmittance > 97% minimum within spectrum range
400nm-750nm.
• reflections max 0,4% per side in the range 620nm-640nm
Properties
PMMA 
(cell cast acrylic or
polymethyl methacrylic)
CR39
(Allyl Diglycol
Carbonate)
Characteristics Requirement

Optical Characteristics
10 DSE0421, DSE0451
NOTES