Opticon NFT 1125 Series Bedienungsanleitung

Users Manual

Series NFT 1125/2135

Miniature CCD

Fixed Position Scanners

Manual No. 25-NFT1121-01

Rev. August 1999

8 Olympic Drive

Orangeburg, NY 10962

Tel 845.365.0090

Fax 845.365.1251

www.opticonUSA.com

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Contents

Section 1 Introduction and Getting Started ..................................... 1

Product Overview ............................................................................. 1

Quick Start-Up Procedure .................................................................. 1

Section 2 Technical Specifications ................................................... 3

Physical Specifications....................................................................... 3

Symbologies Supported..................................................................... 3

Optical Specifications ........................................................................ 3

Electrical Specifications ..................................................................... 4

RS232 Communications Specifications ................................................ 4

Connector Pin-Outs........................................................................... 5

Environmental Specifications ............................................................. 5

Section 3 Positioning the Scanner ................................................... 7

Getting Optimum Performance........................................................... 7

Measuring Scanner Performance ...................................................... 10

Application Notes: .......................................................................... 11

Tips for Achieving High Throughput ................................................. 11

Tips for Insuring Highest Data Integrity ............................................ 11

Tips for Verifying the Presence of a Bar Code.................................... 12

Section 4 Configuring the Scanner ................................................. 13

Programming Menus & Commands................................................... 13

Default Settings.............................................................................. 13

Section 5 Application Engineering Support .................................... 15

Technical Assistance and Support..................................................... 15

Common Causes of Poor Performance .............................................. 15

Modified and/or Customized Scanners .............................................. 15

Appendix A Programming Menus & Commands ............................. 17

Appendix B Dimensional Drawings ................................................ 53

Appendix C Optical Performance Charts ........................................ 55

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Organization of this Manual

This manual provides the necessary instructions for installation and use of Opticon NFT-1125/

2135 Series Fixed Position Scanners. The manual is organized as follows:

Section 1 Introduction and Getting Started

Describes the general operation of a NFT-1125/2135 Series scanner. Also provides a Quick

Start-Up Procedure that allows you to begin using the scanner immediately.

Section 2 Technical Specifications

Provides complete specifications, including mechanical details, optical performance, RS232

communications and other technical data.

Section 3 Positioning Scanner for Optimum Performance

Provides detailed instructions and tips for mounting and positioning the scanning to obtain

the best scanning performance. Application Notes describe guidelines for maximizing specific

characteristics.

Section 4 Configuring the Scanner

Describes how various parameters can be programmed to customize the scanner for your

specific application.

Section 5 Application Engineering Support

Discusses the most common questions and concerns when adapting a NFT-1125/2135 Series

scanner in your application.

Appendices Detailed Supporting Information

Provides detailed information in specific areas such as the programming commands for

configuring various parameters of the

NFT-1125/2135 Series scanner.

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Manual No. 25-NFT1121-01

Series NFT-1121/2135 Mini CCD Fixed Position Scanners

Section 1

Introduction and Getting Started

Product Overview

The NFT-1125/2135 Series Fixed Position Scanners are miniature, 100/200 scans per second bar code

readers designed to be easily incorporated into host equipment. CCD scanning technology features 100%

solid state design with absolutely no moving parts. Durability and reliability are assured.

Advanced 16-bit microprocessor technology coupled with Opticons proven decoding algorithms result in high

speed operation with superior accuracy. The scanners are fully programmable allowing the user to customize

parameters including changing communication settings, selecting symbologies, adding prefixes and

appending suffixes. Programmable settings can be downloaded from the host CPU or computer directly to

the scanner.

The NFT-1125/2135 Series scanners are encased in compact, rugged steel enclosures. The compact size permits

installation in the tightest areas. Scanners are available in both front and side view configurations allowing great

flexibility in mounting and positioning the scanner for optimum performance.

Quick Start-Up Procedure

This section is for those who wish to start using the scanner before reading the complete manual. In only a few

steps the scanner will be operable.

1) Turn off the power to your PC and connect the scanner to an RS232 communications port. Note: You must

provide +5 Volt DC power to the scanner. This can be accomplished using the power supply and patch cable

available from Opticon. Turn on the power to the PC.

2) Using communications software (e.g., Procom), set the following communication parameters:

9600 baud, 1 Start / Stop Bit, 8 Data Bits,

No Parity, No Handshaking, No Flow Control

3) If you are operating in a Microsoft Windows 3.1 environment, skip to Step 5.

4) If you are operating in a Microsoft Windows 95 environment, you can set the communication

parameters using Hyper Terminal as follows:

♦Open Hyper Terminal. This can be done from Start→Programs→Accessories

♦Select Hypertrm.exe to create a New Connection

♦In the Connection Description dialog screen enter a name for the new file. If desired, select an

Icon. Click OK

♦In the Phone Number dialog screen, in the box entitled: Connect using. select the communication

port, for example, Direct to Com 1 Click OK

♦In the Com 1 Properties screen, enter the appropriate Port Settings:

Bits per second = 9600

Data bits = 8

Parity = None

Stop Character = 1

Handshaking = None

Click OK

♦The Hyperterminal folder you just created will open. From the File pull-down menu, select

Properties then click on the Setting Tab

Page 1

Manual No. 25-NFT1121-01

Series NFT-1121/2135 Mini CCD Fixed Position Scanners

♦In the Properties Settings dialog screen:

Select Terminal keys for the Function, arrow and control key

Select ANSI for Emulation,

The Backscroll buffer line can remain at the default 500

♦Click on the ASCII Setup button

In the ASCII Setup screen, select Echo typed locally so that any keyboard commands you input will

appear on your screen. Click OK. This returns you to the Properties Setting. Click OK.

Your PC and the scanner should now communicate. Skip to Step 6.

5) In a Microsoft Windows 3.1 environment, set the communication parameters using the Terminal

function of Windows.

♦From Windows Program Manager Main Menu, select Terminal

♦From the Terminal menu, select Settings

♦From the Settings menu, select Terminal Emulation

♦Set the emulation to TTY (generic)

♦From the Settings menu, select Terminal Preferences and select the following:

Terminal Modes: Line Wrap, Local Echo, Sound

CR /LF: Inbound, Outbound

Columns: 80

♦From the Settings menu, select Communications

♦Select the COM port and set communication parameters as shown in Step 2, including no flow control

6) To verify that the scanner and the PC are communicating properly, send the following command from

your PC keyboard to activate the scanners buzzer.

Send the command: <Escape> V5 <Carriage Return>

Note: Be sure to use capital letters, e.g. V5, not v5.

The buzzer should sound, indicating that good communications have been established.

7) A red scanning light should be visible. If it is not visible, the scanner may be in a mode that requires a

Trigger Command from the PC to activate it. You can exit that mode by sending the following command

from your PC keyboard:

In this Trigger Disabled mode, the red scanner light is always illuminated. You are now ready to scan

bar codes.

8) Position the red light of the scanner over the bar code symbol to be read. When the bar code symbol is

decoded, the scanner will beep and transmit the data to the screen of your PC. You may have to move

the scanner closer or farther away from the bar code symbol in order to locate the best reading distance.

This Quick Start-Up procedure will get you started. However, in order to best understand the full capabilities

of this scanner, you should read the complete manual.

Page 2

Manual No. 25-NFT1121-01

Series NFT-1121/2135 Mini CCD Fixed Position Scanners

Section 2

Technical Specifications

Physical Specifications

Case Material Steel, painted dark gray

Dimensions (LxWxH)

1126/2126 Side View 3.0 x 2.7 x 1.1 in (76 x 68 x 76 mm)

1127/2127 Front View 2.9 x 2.7 x 1.0 in (74 x 68 x 26 mm)

Weight 8.8 ounces (250 grams) without cable

Cable Length 6 ft (2.8m) with DB25 pin female connector

Mounting 6 threaded (M-3) mounting holes. Mounting fasteners should not extend more

than 5mm into the case

Symbologies Supported

Codabar

Code 39

Code 93

Code 128

Standard 2 of 5

Interleaved 2 of 5

MSI / Plessey

UPC / EAN / JAN

Optical Specifications

Scan Rate 1126/1127 100 scans per/sec.

2126/2127 200 scans per/sec.

Wavelength of

LED Illumination 660 nanometers

Read Sensor 2048 pixel CCD linear array

Focal Distance (nominal)1126 Side View 0.5 inches

1127 Front View 0.3 inches

2126 Side View 1.43 inches

2127 Front View 1.28 inches

Skew Angle 0°to 45°(see Avoiding Specular Reflection and notes)

Rotation +15°

Pitch Angle +6°

Area of

Specular Reflection +2 to +9°around X axis (see diagram Section 3)

Max. Bar Code

Curvature 0.6 inch radius min. for 10.4 mil EAN-8 label

0.8 inches for 10.4 mil EAN-13 label

Page 3

Manual No. 25-NFT1121-01

Series NFT-1121/2135 Mini CCD Fixed Position Scanners

Electrical Specifications

Operating Voltage +5VDC + 10%

Current Consumption

Dynamic 40 mA typical / 80 mA maximum

Static 15 mA maximum

Surge 1.5 A maximum, 0.75A/25 µS

RS232 Communications Specifications

RS232 Data Transmission Format

RS232 Transmit/Receive Character Format

RS232 Data Format

RS232 Signal Level

Page 4

Parameter Default Optional Settings

Timing Asynchronous

No. of Start Bits 1 bit

No. of Stop Bits 1 bit 1 or 2 bits

No of Data Bits 8 bits 7 or 8 bits

Parity None Odd / Even / None

Baud Rate 9600 baud 150 to 19200 baud

Handshaking None Hardware / Software / None

TXD/

RXD Start

Bit LSB 7 or 8

Data Bits MSB Parity

Bit Stop

Bit

Transmit: Decoded Data CR

Receive: ESC Command CR

RS232C Level

Signal Name I/O Mark/Off Space/On

TXD Out -5 to 15 +5 to +15

RXD In -3 to 15 +3 to +15

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