Newland EM2039 Series Quick setup guide

EM2039 Series
OEM Scan Engine
Integration Guide

Disclaimer
© 2013 Fujian Newland Auto-ID Tech. Co., Ltd. All rights reserved.
Please read through the manual carefully before using the product and operate it according to the manual. It is advised that you
should keep this manual for future reference.
Do not disassemble the device or remove the seal label from the device. Otherwise, FuJian Newland Auto-ID Tech. Co., Ltd.
does not assume responsibility for the warranty or replacement.
All pictures in this manual are for reference only and actual product may differ. Regarding to the product modification and
update, FuJian Newland Auto-ID Tech. Co., Ltd. reserves the right to make changes to any software or product to improve
reliability, function, or design at any time without notice. Besides, the information contained herein is subject to change without
prior notice.
The products depicted in this manual may include software copyrighted by FuJian Newland Auto-ID Tech. Co., Ltd or a third
party. The user, corporation or individual, shall not duplicate, in whole or in part, distribute, modify, decompile, disassemble,
decode, reverse engineer, rent, transfer or sublicense such software without prior written consent from the copyright holders.
This manual is copyrighted. No part of this publication may be reproduced or used in any form without written permission from
Newland.
FuJian Newland Auto-ID Tech. Co., Ltd. reserves the right to make final interpretation of the statement above.

Revision History
Version
Description
Date
V1.0.0
Initial release.
May 21, 2013

Table of Contents
Chapter 1 Introduction ................................................................................................................................................................. 1
Product Overview.............................................................................................................................................................1
Documents.......................................................................................................................................................................1
Aimer................................................................................................................................................................................1
Illumination.......................................................................................................................................................................2
Chapter 2 Installation ................................................................................................................................................................... 3
General Requirements .....................................................................................................................................................3
ESD .........................................................................................................................................................................3
Dust and Dirt............................................................................................................................................................3
Ambient Environment...............................................................................................................................................3
Thermal Considerations...........................................................................................................................................3
Installation Orientation .............................................................................................................................................4
Optics...............................................................................................................................................................................5
Window Placement..................................................................................................................................................5
Window Material and Color......................................................................................................................................6
Scratch Resistance and Coating..............................................................................................................................6
Window Size............................................................................................................................................................6
Ambient Light...........................................................................................................................................................8
Eye Safety................................................................................................................................................................8
Mounting...........................................................................................................................................................................9
Combined Type (unit: mm).......................................................................................................................................9
Imager - Discrete Type (unit: mm).......................................................................................................................... 11
Decoder Board - Discrete Type (unit: mm).............................................................................................................12
Chapter 3 Electrical Specifications ........................................................................................................................................... 14
Power Supply.................................................................................................................................................................14
Ripple Noise...................................................................................................................................................................14
DC Characteristics .........................................................................................................................................................15
Operating Voltage ..................................................................................................................................................15
I/O Requirements...................................................................................................................................................15

Chapter 4 Interfaces ................................................................................................................................................................... 16
Connections & Pinouts...................................................................................................................................................16
TTL-232 .................................................................................................................................................................17
USB .......................................................................................................................................................................18
Micro USB..............................................................................................................................................................18
Host Interface Connectors..............................................................................................................................................19
12-Pin FPC Connector...........................................................................................................................................19
Micro USB Connector ............................................................................................................................................20
External Circuits .............................................................................................................................................................21
Good Read LED Circuit .........................................................................................................................................21
Beeper Circuit........................................................................................................................................................21
Sleep Mode LED Circuit.........................................................................................................................................22
Wake-Up Circuit.....................................................................................................................................................23
Trigger Circuit.........................................................................................................................................................23
Chapter 5 Development Tools ................................................................................................................................................... 24
EVK................................................................................................................................................................................24
QuickSet / uExpress.......................................................................................................................................................24

1
Chapter 1 Introduction
Product Overview
TM
NLS-EM2039 series embedded 2D barcode scan engines, armed with the Newland patented , a
computerized image recognition system, bring about a new era of 2D barcode scan engines.
The EM2039s’decoder chip ingeniously blends technology and advanced chip design &
manufacturing, which significantly simplifies application design and delivers superior performance and
solid reliability with low power consumption.
The EM2039s support all mainstream 1D and standard 2D barcode symbologies (e.g., PDF417, QR
Code M1/M2/Micro and Data Matrix) as well as GS1-DataBarTM(RSS) (Limited/Stacked/Expanded
versions).
Documents
Documents related to the EM2039 include:
NLS-EM2039 series Embedded 2D Barcode Scan Engine
Integration Guide:
Describes how to integrate the EM2039.
NLS-EM2039 series Embedded 2D Barcode Scan Engine
User Guide:
Explains how to use and program the
EM2039.
NLS-EM2039 series Embedded 2D Barcode Scan Engine
Datasheet:
Gives a general description of the EM2039
along with its technical specifications.
Aimer
The EM2039 has a view finder that projects an aiming beam to help the user to position the target
barcode within the engine’s field of view to increase scan efficiency. The aimer can be programmed On or
Off. It is advisable to turn it on when scanning barcodes.

2
Illumination
The EM2039 has two red LEDs (wavelength: 625±10 nm) for supplementary lighting, making it possible
to scan barcodes even in complete darkness. The illumination can be programmed On or Off.
Since red light is used as illumination and the engine’s lens imaging system is coated with AR film which
has obvious anti-reflection effect against red light, the engine shows better reading performance on
barcodes printed in non-red colors. For applications involving red barcodes, it is advised to use non-red
supplementary lighting. The user can conduct some tests to determine the proper wavelengths to be
used.

3
Chapter 2 Installation
General Requirements
ESD
ESD protection has been taken into account when designing the EM2039 and the engine is shipped in
ESD safe packaging. Always exercise care when handling the engine outside its package. Be sure
grounding wrist straps and properly grounded work areas are used.
Dust and Dirt
The EM2039 must be sufficiently enclosed to prevent dust particles from gathering on the imager and
lens. Dust and other external contaminants will eventually degrade the engine’s performance.
Ambient Environment
The following environmental requirements should be met to ensure good performance of the EM2039:
Operating Temperature
-20℃to 60℃
Storage Temperature
-40℃to 80℃
Humidity
5% to 95% (non-condensing)
Thermal Considerations
Electronic components in the EM2039 generate heat during the course of their operation. Operating the
EM2039 in continuous mode for an extended period may result in an increase in temperature inside the
engine. The following precautions should be taken when integrating the EM2039:
Reserve sufficient space for good air circulation during design.
Avoid wrapping the EM2039 with thermal insulation materials such as rubber.

4
Installation Orientation
Fig. 2-1 illustrates a front view of the EM2039 after installation.
Fig. 2-1
UP

5
Optics
Window Placement
The window should be positioned properly to let the illumination and aiming beams pass through as much
as possible and no reflections back into the engine (reflections can degrade the reading performance).
The window should be mounted close to the front of the engine (parallel). The maximum distance is
measured from the front of the engine housing to the farthest surface of the window. Avoid unwanted
reflections and use thin material for window so as to reach better reading performance. As shown in Fig.
2-2, the distance from the front of the engine housing to the furthest surface of the window should not
exceed 3mm and the distance from the front of the engine housing to the nearest surface of the window
should not exceed 2mm.
Fig. 2-2
If the window is required to be in a tilted position, the above distance requirements should be met and tilt
angle should ensure no reflections back into the lens.

6
Window Material and Color
Wavelengths of illumination and aiming beams should be taken into consideration when choosing window
material and color, to achieve the possible highest spectral transmission, lowest haze level and
homogeneous refractive index. It is suggested to use PMMA or optical glass with spectral transmittance
over 90% and haze less than 1%. Whether to use an anti-reflection coating or not depends on the
material and application needs.
Scratch Resistance and Coating
Scratch on the window can greatly reduce the performance of the EM2039. It is suggested to use
abrasion resistant window material or coating.
Window Size
The window must not block the field of view and should be sized to accommodate the aiming and
illumination envelopes shown below.

7
Illumination & Aiming
Fig. 2-3
Fig. 2-4

8
FOV
Fig. 2-5
Fig. 2-6
Ambient Light
The EM2039 shows better performance with ambient light. However, high-frequency pulsed light can
result in performance degradation.
Eye Safety
The EM2039 has LEDs that create the aiming and illumination beams. These LEDs are bright, but testing
has been done to demonstrate that the engine is safe for its intended application under normal usage
conditions. However, the user should avoid looking into the beam.

9
Mounting
The EM2039s provide combined type (imager and decoder board assembled on an L-shaped bracket)
and discrete type (imager and decoder board separated) to cater for different mounting needs. For the
combined type, the user can simply mount the EM2039 on the target device. The combined type is easy
for integration and is suitable for devices with enough space inside. For the discrete type, the decoder
board and the imager should be separately mounted and connected with a flexible flat cable. The discrete
type is more flexible for integration and suits devices with smaller space inside.
The illustrations below show the mechanical mounting dimensions for the EM2039s. The structural
design should leave some space between components and provide sufficient space for flat flexible cable.
Elements listed in previous sections should also be taken into consideration when integrating the
EM2039.
Combined Type (unit: mm)
Front View
Fig. 2-7

10
Bottom View
Fig. 2-8
Top View
Fig. 2-9

11
Imager - Discrete Type (unit: mm)
Front View
Fig. 2-10
Bottom View
Fig. 2-11
Top View
Fig. 2-12

12
Right View
Fig. 2-13
Decoder Board - Discrete Type (unit: mm)
Front View
Fig. 2-14

13
Back View
Fig. 2-15
Right View
Fig. 2-16

14
Chapter 3 Electrical Specifications
Power Supply
Do not power up the EM2039 until it is properly connected. Be sure the power is cut off before connecting
a flexible cable to or disconnecting a flexible cable from the host interface connector. This could damage
the engine.
Unstable power supply or sharp voltage drops or unreasonably short interval between power-ons may
lead to unstable performance of the engine. Do not resupply the power immediately after cutting it off. The
minimum interval must exceed 500ms.
Ripple Noise
The ripple noise of power supply should be within 50mV (peak-to-peak).