Page 2 - Canadian Notice; Reorient or relocate the receiving antenna.
Disclaimer Welch Allyn, Data Collection, Inc. (d/b/a Hand Held Products) reserves the right to make changes inspecifications and other information contained in this document without prior notice, and the reader should in allcases consult Hand Held Products to determine whether any such changes have ...
Page 3 - Patents
The CE mark on the product indicates that the system has been tested to andconforms with the provisions noted within the 89/336/EEC ElectromagneticCompatibility Directive and the 73/23/EEC Low Voltage Directive. Welch Allyn shall not be liable for use of our product with equipment (i.e., power suppl...
Page 5 - TABLE OF CONTENTS
i TABLE OF CONTENTS Disclaimer Agency Compliance Chapter 1 SCANTEAM 3700 Description Section Page 1.1 Introduction 1–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 SCANTEAM 3700 Hardware Description 1–1 . . . . . . . . . . . . . . . . 1.2.1 Interface Port 1...
Page 6 - Chapter 4; Chapter 5; Section
ii Chapter 4 Configuring the SCANTEAM 3700 Section Page 4.1 Preparation 4–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Command Conventions 4–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3 Operational Commands 4–3 . . . . . . . . . . ....
Page 7 - Appendices; CCD Operation and Bar Code Scanning; Glossary
iii Appendices A CCD Operation and Bar Code Scanning A.1 Objectives A–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A.2 Scanning and Decoding a Bar Code Symbol A–1 . . A.3 Bar Code Basics and Scanning Techniques A–4 . . . B Technical Specifications B.1 Scanner Performance B–1 . ....
Page 8 - List of Tables; Table; List of Illustrations; Figure
iv List of Tables Table Page 4.1 SCANTEAM 3700 Code ID Values 4–7 . . . . . . . . . . . . . . . . . . . . . . 5.1 SCANTEAM 3700 Troubleshooting Checklist 5–2 . . . . . . . . . . . . . List of Illustrations Figure Page 2.1 Basic System Operation 2–1 . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 9 - Preface; Intended Audience; explains how to set up and install your 3700 Machine Mount CCD.
v Preface Intended Audience This manual is written for users familiar with serial data communications. Anunderstanding of integrated circuitry and bar code technology is recommended. Overview of the Technical Manual Chapter 1 provides a brief description of SCANTEAM 3700 software and hardware. Chapt...
Page 10 - Related Publications; Craig K. Harmon and Russ Adams
vi Related Publications Reading Between the Lines: An Introduction toBar Code Technology Craig K. Harmon and Russ Adams 1989 Helmers Publishing Inc. 174 Concord StreetPeterborough, NH 03458(603) 924–9631 The Bar Code Book: Reading, Printing, and Specification of Bar Code Symbols Roger C. Palmer ...
Page 11 - Introduction
SCANTEAM 3700 Description 1–1 SCANTEAM 3700 DESCRIPTION 1 1.1 Introduction The Hand Held Products SCANTEAM 3700 is a fixed mount CCD bar code scannerwith integral decoder for easy integration into host equipment. Typical host equipmentwith bar code requirements satisfied by the 3700 include automate...
Page 12 - Note; Interface Port; SCANTEAM 3700 Software Description
1–2 SCANTEAM 3700 Description Communication is achieved using full duplex, asynchronous serial ASCII through abidirectional RS–232 connection to the host system. The host defines or sets theconfigurable features and controls the operation of the 3700. The 3700’s configurationmay be stored in non–vol...
Page 13 - SYSTEM HARDWARE DESCRIPTION; Scanning Circuitry; Host System; Decoder; Figure 2.1 Basic System Operation
System Hardware Description 2–1 SYSTEM HARDWARE DESCRIPTION 2 2.1 Introduction The major components of the system are the SCANTEAM 3700 Machine Mount CCDand the host instrument or equipment. Electrical power is generally supplied to the 3700Machine Mount CCD by the host system. Figure 2.1 shows the ...
Page 14 - General Characteristics of the 3700; Mechanical Layout of the 3700; Top View; Back View; Scanner Window; Figure 2.2 3700 Fixed Mount CCD Dimensions
2–2 System Hardware Description 2.2 General Characteristics of the 3700 2.2.1 Mechanical Layout of the 3700 Figure 2.2 shows several views of the SCANTEAM 3700 Machine Mount CCD,including general dimensions, the location of connectors, and the scanner window. 3.5” [88.9] 1.05” [26.7] 2.9” [73.7] Top...
Page 15 - Single Modular Input / Output / Power Port; Operating Theory; Figure 2.3 Basic Scanner/Decoder Operation
System Hardware Description 2–3 2.2.2 Single Modular Input / Output / Power Port The interface port is an 8–pin female modular connector used for attaching theAsynchronous Serial Communications Interface Cable. Allows triggering capability (atpin 2) for an external triggering device, such as an obje...
Page 16 - Scanner/Host Communication; Communications Port
2–4 System Hardware Description 2.4 Scanner/Host Communication The RS–232 communications interface of the 3700 is used for entering configurationcommands from a PC or host instrument for specific application requirements. Thecommunications I/O port also sends decoded bar code data to the host. 2.4.1...
Page 17 - Hardwire Pinouts
System Hardware Description 2–5 ACK/NAK are ASCII characters that allow the receiving device to tell the sendingdevice to repeat a data message that contains errors. If enabled, the 3700 expects toreceive an ACK (positive acknowledgement of data transmission) or a NAK (negativeacknowledgement of dat...
Page 18 - Power Requirements
2–6 System Hardware Description 2.5 Power Requirements DC operating voltage is +5 volts and consumes approximately 200 milliamps whenscanning. Refer to Appendix B for a complete description of voltage range, currentconsumption levels, and pin assignments.
Page 19 - SET–UP AND INSTALLATION
Set–Up and Installation 3–1 SET–UP AND INSTALLATION 3 3.1 Introduction This chapter explains the SCANTEAM 3700 Machine Mount CCD set–up for use in thedesign lab and a brief description of installation in a host instrument. The set–upprocedures are intended for a technician or design engineer to expl...
Page 20 - Figure 3.1 SCANTEAM 3700 Identification Label; Set–up Procedure for Evaluation of the 3700; Preparation; VDC Power Supply
3–2 Set–Up and Installation MADE IN USA PATENT 5,294,783 ST3700 NEAR CONTACT DECODED OUTPUT ITEM# 3700-XYZ SOFTWARE# 31203795-XYZ DATE - S/N H-04-1234 www.welchallyn.com Enlarged View ofLabel Figure 3.1 SCANTEAM 3700 Identification Label 3.3 Set–up Procedure for Evaluation of the 3700 Caution: The 3...
Page 21 - Set–up Procedure; Connect power to the 3700. The scanner should beep once.
Set–Up and Installation 3–3 3.3.2 Set–up Procedure This procedure will verify that bar code scanning and communications between the hostand the 3700 has been established. To setup serial communications to the scanner 1) Connect the RS–232 communications (I/O) cable between the 3700 and the PCserial ...
Page 22 - Installation in the Host Instrument; Power down the host system or instrument.
3–4 Set–Up and Installation 3.4 Installation in the Host Instrument Caution: The 3700 contains static sensitive components. Precautions must be taken toeliminate potential static discharge to the 3700. Installation in the host instrument includes the following activities: 1) Power down the host syst...
Page 23 - Side View; Front View; Figure 3.2 Mounting Dimensions for the 3700
Set–Up and Installation 3–5 millimeters in brackets [mm] 3.5” [88.9] Mounting Screw Location #6–32 UNC–2B or M3.5 (4 Places) 1.75” [44.5] .375” [9.5] 2.75” [69.9] Side View Top View .31” [7.9] Nominal Optics Center Line ✺ ✺ Installation should provide adjustment to align the optical center line on t...
Page 24 - Optical Light Center Line; Mounting Surface; Figure 3.3 Examples of SCANTEAM 3700 Barcode Orientation
3–6 Set–Up and Installation The 3700 Machine Mount CCD may be oriented in any way so that the beam scanningpath moves across the bar code as shown in Figure 3.3. Bar code presentation to thescanner is important for successful scanning of the label. The first requirement is that thebeam scan path cro...
Page 25 - TILT; AIM; Figure 3.4 SCANTEAM 3700 Pitch, Skew and Tilt Tolerance; Figure 3.5 Specular Reflection Interference
Set–Up and Installation 3–7 TILT Rotation about the Z–axis controlled by bar code length and height Bar Code Label SKEW OR YAW Rotation about the X–axis ± 30 ° Bar Code Label PITCH OR ROLL Rotation about the Y–axis ± 7 ° Bar Code Label R = Rotation THE ABOVE DEFINITIONS ARE FROM AIM SPECIFICATIONS ...
Page 26 - Minimum clearance required for; – NOM –; Illumination area is larger than receive area.; Figure 3.6 Scanner Illumination Clearance
3–8 Set–Up and Installation Minimum clearance required for scanner illumination of target. [ 3.1” [78.7] Top View 1.55” [39.4] 15 ° – NOM – Focal Plane = [ Illumination area is larger than receive area. Receive path / area. [ = Side View .2” [5.1] .61” [15.5] 2 ° 2 ° 3.5” [88.9] 2.4” [61] 27 ° milli...
Page 27 - CONFIGURING THE SCANTEAM 3700
Configuring the SCANTEAM 3700 4–1 CONFIGURING THE SCANTEAM 3700 4 4.1 Preparation This chapter provides instructions for configuring the software in the SCANTEAM 3700Machine Mount CCD. The configuration process allows you to change the operatingparameters of the scanner software to explore the funct...
Page 28 - Command Conventions; Actual serial configuration command entries are highlighted in; bold; to distinguish; Command Format; and
4–2 Configuring the SCANTEAM 3700 4.2 Command Conventions The following conventions apply when entering configuration commands: • Actual serial configuration command entries are highlighted in bold to distinguish them from descriptive text. • Spaces shown within command strings must not be included ...
Page 29 - Operational Commands; Disable Decoding Command DC4
Configuring the SCANTEAM 3700 4–3 4.3 Operational Commands Five operational commands recognized by the SCANTEAM 3700 are: <A> – resets the 3700 DC4 – disables bar code scanning DC2 – enables bar code scanning <1> – serial trigger <Z> – saves current configuration in non–volatile me...
Page 31 - Configuration Commands; Format for a Configuration Comand; Default configuration indicated by asterisk “
Configuring the SCANTEAM 3700 4–5 4.4 Configuration Commands Fifteen configuration commands recognized by the SCANTEAM 3700 are: Ka – sets communication port Kd – sets preamble Ke – sets postamble Kf – sets communications protocol Kg – sets trigger mode Kh – sets read timeout Kk – sets no read messa...
Page 32 - Set Communications Port Command Ka; The
4–6 Configuring the SCANTEAM 3700 Set Communications Port Command Ka COMMAND <Ka baud, parity, stop bits, data bits> Parameter ASCII Option Baud 0 600 1 1200 2 2400 3 4800 4 9600 * 5 19,200 6 38,400 Parity 0 none 1 even * 2 odd Stop Bits 0 one * 1 two Data Bits 0 seven * 1 eight Sending the co...
Page 33 - Set Preamble Command Kd
Configuring the SCANTEAM 3700 4–7 Set Preamble Command Kd COMMAND <Kd enable, data> Parameter ASCII Option Enable 0 no 1 yes * (Port ID, Code ID) Data one to four ASCII characters Sending the configuration command Kd sets the preamble characters. The preamble option may be enabled or disabled;...
Page 34 - Set Postamble Command Ke
4–8 Configuring the SCANTEAM 3700 Set Postamble Command Ke COMMAND <Ke enable, data> Parameter ASCII Option Enable 0 no 1 yes * (CR, LF) Data one to four ASCII characters Sending the configuration command Ke sets the postamble characters. The postamble option may be enabled or disabled; if ena...
Page 35 - Set Communications Protocol Command Kf
Configuring the SCANTEAM 3700 4–9 Set Communications Protocol Command Kf COMMAND <Kf mode> Parameter ASCII Option Mode 0 Disable RTS/CTS * Disable XON/XOFF * Disable ACK/NAK * Mode 1 Enable RTS/CTSDisable XON/XOFFDisable ACK/NAK Mode 2 Disable RTS/CTSEnable XON/XOFFDisable ACK/NAK Mode 3 Enabl...
Page 36 - Set Trigger Mode Command Kg
4–10 Configuring the SCANTEAM 3700 Set Trigger Mode Command Kg COMMAND <Kg mode_global, mode_port_1, mode_port_2, #> Parameter ASCII Option Mode 0 Continuous Read Mode 1 Continuous Read, Send Once, Clear on Timeout Mode 2 External Trigger, Read While Active Mode 3 External Trigger, Read Once M...
Page 37 - Set No Read Message Command Kk
Configuring the SCANTEAM 3700 4–11 Set No Read Message Command Kk COMMAND <Kk enable, data> Parameter ASCII Option Enable 0 no 1 yes * (NR) Data one to seven ASCII characters Sending the configuration command Kk sets the no read message. Any ASCII character can be specified except NUL, ACK, NA...
Page 38 - Set Code 39 Command Kp
4–12 Configuring the SCANTEAM 3700 Set Code 39 Command Kp COMMAND <Kp enable, require checksum, send checksum, minimum length, maximum length> Parameter ASCII Option Enable 0 no 1 yes * Require Checksum 0 no * 1 yes Send Checksum 0 no * 1 yes Minimum Length Set from 1 to 48 * (1) Maximum Lengt...
Page 39 - Set I 2 of 5 Command Kr
Configuring the SCANTEAM 3700 4–13 Set I 2 of 5 Command Kr COMMAND <Kr enable, require checksum, send checksum, minimum length, maximum length> Parameter ASCII Option Enable 0 no * 1 yes Require Checksum 0 no * 1 yes Send Checksum 0 no * 1 yes Minimum Length Set from 2 to 80 * (6) Maximum Leng...
Page 40 - Set Code 128 Command Kt
4–14 Configuring the SCANTEAM 3700 Set Code 128 Command Kt COMMAND <Kt enable, minimum length, maximum length> Parameter ASCII Option Enable 0 no 1 yes * Minimum Length Set from 1 to 80 * (1) Maximum Length Set from 1 to 80 * (80) Sending the configuration command Kt sets Code 128 and all its ...
Page 41 - Configuration Status Query Commands
Configuring the SCANTEAM 3700 4–15 4.5 Configuration Status Query Commands The configuration status query commands are used to obtain a status listing of theconfiguration command selections. You may request a listing of the entire series ofindividual configuration status messages or you may request ...
Page 42 - Default Operating Parameters; Default Configuration Settings
4–16 Configuring the SCANTEAM 3700 4.6 Default Operating Parameters The SCANTEAM 3700 is configured at the Hand Held Products factory with standard(default) operating parameters. The default configuration can be used as is or changed(reconfigured) by downloading new parameters over an RS–232 communi...
Page 43 - SERVICE/TECHNICAL ASSISTANCE; Maintenance; Power supply troubleshooting; Troubleshooting Hints
Service/Technical Assistance 5–1 SERVICE/TECHNICAL ASSISTANCE 5 5.1 Maintenance The Hand Held Products SCANTEAM 3700 Machine Mount CCD Bar Code Scannerand Decoder is designed to provide reliable and efficient operation, requiring no routinemaintenance. The 3700 has no moving physical parts. Convecti...
Page 44 - Diagnostic Procedure; Beeper does not come on.; Solution; mode and read timeout value.; Table 5.1 SCANTEAM 3700 Troubleshooting Checklist
5–2 Service/Technical Assistance 5.2.2 Diagnostic Procedure The SCANTEAM 3700 Machine Mount CCD may be reset to the last savedconfiguration parameters by issuing a Reset Command. (A list of these parameters maybe found on in section 4.6 and C.4.) • To perform a Reset Command, send an <A> seria...
Page 45 - Obtaining Factory Service; Product Service Department
Service/Technical Assistance 5–3 5.3 Obtaining Factory Service Hand Held Products provides service for all its products through a service center locatedat its manufacturing facilities in Skaneateles, New York. To obtain warranty ornon–warranty service, return the unit to Hand Held Products (postage ...
Page 46 - Help Desk; Service Under Warranty
5–4 Service/Technical Assistance Japan OfficeHand Held Products Bon Marusan 8F3–5–1 Kanda–JinbochoChiyoda–kuTokyo 101, Japan Telephone: Int+81–3–5212–7392Fax: Int+81–3–3261–7372 For service in Latin America, please contact your Hand Held Products’ representative (atthe address that follows) or your ...
Page 47 - SCANTEAM 3700 Removal/Replacement; Set the host instrument power switch to the “OFF” position.
Service/Technical Assistance 5–5 The following information is required to process an RMA for the product and should beavailable for the Service Representative. It is located on the manufacturers label attachedto the box the SCANTEAM 3700 was shipped in. Model Number Serial NumberDate of Manufacture ...
Page 49 - CCD OPERATION AND BAR CODE SCANNING; Objectives; Figure A.1 Main Elements of the 3700 CCD Bar Code System
CCD Operation and Bar Code Scanning A–1 CCD OPERATION AND BAR CODE SCANNING A A.1 Objectives This appendix describes: • Reading and decoding a bar code symbol. • Overview of how the SCANTEAM 3700 works, including a scanner diagram with the main decoding elements listed. • In–depth discussion of the ...
Page 50 - LED Reflector
A–2 CCD Operation and Bar Code Scanning 2. The black bars on the symbol absorb the LED light, while the white spaces scatterthe LED light. 3. A portion of the scattered light re–enters the scanner’s optical system and is detectedby the pixels of the CCD (Charged Coupled Device). 4. The CCD converts ...
Page 51 - Microprocessor; and decodes the scanned bar code data.; Timing Sequence; Figure A.2 illustrates the timing sequence for the SCANTEAM 3700.; Timing; Figure A.2 SCANTEAM 3700 Timing Sequence
CCD Operation and Bar Code Scanning A–3 Microprocessor The microprocessor controls the generation of timing signals required for the operation of the SCANTEAM 3700 device. Additionally it monitors the digital output of the device, configures the operating parameters sent through serial commands (as ...
Page 52 - Bar Code Basics and Scanning Tips; A Closer Look At Bar Code Symbols
A–4 CCD Operation and Bar Code Scanning A.3 Bar Code Basics and Scanning Tips A Closer Look At Bar Code Symbols 42000 06200 0 The illustration at the right shows a typical bar codesymbol. If you look at it closely, you’ll see it iscomposed of a series of dark lines (bars) and whiteareas (spaces) of ...
Page 53 - TECHNICAL SPECIFICATIONS; Scanner Performance; Approximate Lateral Scan Speed; Lateral Motion Sensitivity:
Technical Specifications B–1 TECHNICAL SPECIFICATIONS B B.1 Scanner Performance The SCANTEAM 3700 performance has been measured in terms of the first barelongation/contraction and inner bar (space) elongation/contraction when scanningWelch Allyn test targets. If you need more information on these me...
Page 54 - Focal Distance (selected at time of order) from scanner window:; Focal Distance; CCD Type
B–2 Technical Specifications Focal Distance (selected at time of order) from scanner window: Focal Distance Maximum Scan Width 0.6 inches [15mm] with a 3 inch [76mm] maximum scan width 1.95 inches [50mm] with a 3.5 inch [89mm] maximum scan width 3.2 inches [81.3mm] with a 3.5 inch [89mm] maximum sca...
Page 55 - Electrical Specifications
Technical Specifications B–3 B.3 Electrical Specifications Operating Voltage: +5V+5% ✺ Operating Current: 170 to 250 mA, ✺ depending on scan rate for Standard Resolution / Enhanced Performance CCD type ✺ Power for the SCANTEAM 3700 is provided by the host system. Communications Port Connector Pin As...
Page 56 - Beeper; Environmental Specifications; Operating Temperature:; Mechanical Specifications; A null modem is required for connection to a DTE type port.
B–4 Technical Specifications Indicators: Beeper.See descriptions below . Beeper The good read/no read beeper indicator is configurable and can be disabled, if desired. B.4 Environmental Specifications Operating Temperature: 32 ° F to 122 ° F (0 ° C to +50 ° C) Storage Temperature: –40 ° F to 158 ° F...
Page 57 - Bar Code Symbol Specifications; Background Substrate
Technical Specifications B–5 B.6 Bar Code Symbol Specifications All bar code symbols should satisfy the appropriate AIM Uniform SymbologySpecification. Background Substrate The bar code symbol should be printed on material which is reflective and has a matte(not glossy) finish. A background diffuse ...
Page 58 - SCANTEAM 3700 Interface Cable; Pin D Female; To Host System; Pin Mini–Din Female
B–6 Technical Specifications B.7 SCANTEAM 3700 Interface Cable 10 Pin RJ41 Modular Connector Pinouts12 Shield/Drain 3 TRIG – Trigger/Enable (input) 4 GND– Ground 5 RX – Receive Data (input) 6 TX – Transmit Data (output) 7 VCC (+5VDC – input) 8 RTS – Ready to Send (output) 9 CTS – Clear to Send (inpu...
Page 59 - SERIAL COMMANDS SUMMARY; Command
Serial Commands Summary C–1 SERIAL COMMANDS SUMMARY C C.1 Configuration Commands The following is a summary of configuration commands sent by the host system. Moredetails are provided in Section 4.4, Configuration Commands. Note: These commands may contain port–specific data not relevant to the SCAN...
Page 61 - Configuration CommandDefault Settings
Serial Commands Summary C–3 C.4 Default Configuration Settings The following is a summary of default configuration settings. Configuration CommandDefault Settings ACK / NAK Disabled Baud Rate 9600 Beeper Mode Disable beeper Data Bits: 7 No Read Message “NR” Parity Even Postamble CR LF Preamble Port ...
Page 63 - ASCII CONVERSION TABLE
ASCII Conversion Table D–1 ASCII CONVERSION TABLE D b b b b b b b 7 4 5 6 3 2 1 COLUMN ROW 0 0 1 1 1 0 0 1 1 0 1 1 1 0 0 0 0 0 1 0 1 0 1 0 1 1 2 3 4 5 6 7 BIT NUMBERS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0...
Page 67 - can be successfully interpreted.
Glossary–3 Digital – (used in contrast to Analog) describes a coded squarewave signal (processed from an analog signal) which is utilized by decoding circuitry. Digital bar code isgenerally square wave pulses (0 to 5 volts) with widths which depict the bar and spacewidths in the code. DIP – is an ac...
Page 71 - INDEX
Index–1 INDEX A AIM Publications, viASCII Conversion Table, D-1 Control Function Definitions, D-1 Auxiliary Trigger, 2-5 B Bar Code Basics and Scanning Techniques, A-4 Bar Code Scanning, A-4 Bar Code Symbols, A-4 Bar Code Symbol Specifications, B-5 Background Substrate, B-5 Definition, B-5 Ink Color...
Page 73 - Configuration Status Query Commands, 4-15
Index–3 Serial Commands, 4-1 Command Conventions, 4-2 Command Format, 4-2 Configuration Commands, 4-5 Set Beeper Mode Command, 4-14 Set Codabar Command, 4-12 Set Code 128 Command, 4-14 Set Code 39 Command, 4-12 Set Communications Port Command, 4-6 Set Communications Protocol Command, 4-9 Set I 2 of ...
Page 75 - SCANTEAM 3700 LIMITED WARRANTY
SCANTEAM 3700 LIMITED WARRANTY Welch Allyn, Inc., hereby warrants its Machine Mount CCD Scanner to be functional andfree from manufacturing defects at the time of delivery. Welch Allyn, Inc. furtherwarrants that it will replace or repair, at its option, any unit that fails to performaccording to Wel...
