Hand Held Products 3700 CCD - Manuals

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 . . . . . . . . . . ....

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 . ....

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 . . . . . . . . . . . . . . . . . . . . . . . . . ....

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...

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  ...

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...

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...

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 ...

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...

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...

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...

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...

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.

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...

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...

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 ...

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...

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...

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...

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 ...

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...

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...

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 ...

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...

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...

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...

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;...

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...

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...

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...

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...

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...

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...

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 ...

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 ...

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...

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...

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...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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...

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...

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...

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...

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 ...

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...

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...

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 ...

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...

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...

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...

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 ...

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...