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Allen-Bradley Series B User Manual

Allen-Bradley Series B User Manual

Multi-purpose bar code workstation
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ALLEN-BRADLEY
Multi-Purpose Bar Code Workstation
Series B
(Catalog Number 2755-DH1)
User Manual

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Summary of Contents for Allen-Bradley Series B

  • Page 1 ALLEN-BRADLEY Multi-Purpose Bar Code Workstation Series B (Catalog Number 2755-DH1) User Manual...
  • Page 2 In no event will the Allen-Bradley Company be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

  • Page 3: Table Of Contents

    Table of Contents A–B Using This Manual Chapter 1 Chapter Objectives Overview of This Manual Intended Audience Conventions Used Warnings and Cautions Description Chapter 2 Chapter Objectives Overview Features Host Computers and Display Chapter 3 Terminals Chapter Objectives Communications Ports Display Terminal Port Disabled Display Terminal Port Enabled Host Computer Port Pinout...
  • Page 4 Table of Contents Programming Via Escape Chapter 5 Sequences Determining the <n> Value Concatenating Escape Sequences Concatenation Rules Concatenation Examples Getting Started Show Configuration Esc - y 4 S Reading the Screen Show Configuration Syntax Show Configuration Example Disable Decoding Esc - y <n> W Disable Decoding Syntax Disable Decoding Example 1 Disable Decoding Example 2...
  • Page 5 Table of Contents Programming Via Escape Chapter 5 Sequences Code 39 Full ASCII Esc - y 1 H 5-23 Code 39 Full ASCII Syntax 5-23 Code 39 Full ASCII Example 5-23 Code ID Character Assignment Esc - y <n> I < one character> 5-24 Code ID Character Assignment Syntax 5-24...
  • Page 6 Table of Contents Programming Via Escape Chapter 5 Sequences Reader Address Esc - y <n> A 5-37 Reader Address Syntax 5-37 Good Read Beep Tone Esc - y <n> B 5-38 Good Read Beep Tone Syntax 5-38 Good Read Beep Tone Example 5-38 Speaker/LED Control Esc - y <n>...
  • Page 7 Table of Contents Programming Via Chapter 6 Configuration Bar Code Check Character Verification Symbols Interleaved 2 of 5 Length Checking Minimum and Maximum Lengths Code 128 Code 11 6-10 Minimum and Maximum Lengths 6-10 Selecting the Number of Code 11 Check Characters 6-10 Enable UPC/EAN 6-11...
  • Page 8 Table of Contents Data Output Formats Chapter 7 Data Output Formats Generic Output Formats Individual Bar Code Type Output Formats Code 39 Data Output Code 39 Example Interleaved 2 of 5 Interleaved 2 of 5 Example UPC/EAN Codabar Codabar Example Code 128 Code 11 Code 11 Example...
  • Page 9 Contents of the manual. Intended audience. Conventions used. Overview of this Manual This manual will tell you how to install and use your Catalog No. 2755-DH1, Series B, Multi–Purpose Bar Code Workstation. It is divided into the following chapters: Chapter Title Contents Using This Manual Overview of the manual.

  • Page 10: Intended Audience

    Chapter 1 Using this Manual Intended Audience No special knowledge is needed to read this manual and follow its directions. If the system will be used to communicate with a higher level controller, we assume you are familiar with communication terminology. Conventions Used Some chapters in this manual contain examples of how to enter data or commands.

  • Page 11: Chapter Objectives

    The decoder’s capabilities are briefly described. Key features are shown and explained. Overview The Catalog No. 2755-DH1, Multi-Purpose Bar Code Workstation is a dedicated bar code decoder capable of supporting one of many Allen-Bradley scanning devices. 90-105-3 You can use any Allen-Bradley attended scanning device with the decoder.

  • Page 12: Features

    Chapter 2 Description Features An important feature is the decoder’s integral power supply used to power the decoder and your scanning devices. This feature allows you to avoid the inconvenience normally experienced with separate power supplies. In addition, it will accept a wide range of input power from 100 to 240 VAC (nominal).
  • Page 13 Chapter 2 Description of Hardware 2–3...

  • Page 14: Chapter Objectives

    Chapter A–B Host Computers and Display Terminals Chapter Objectives This chapter discusses communications between a decoder, host computer, and display terminal. Communications Ports The decoder has two independent communications ports, the Host Computer port and Display Terminal port. The Host Computer port supports both RS-232-C and RS-422 communications.

  • Page 15: Display Terminal Port Disabled

    Chapter 3 Host Computers and Display Terminals Display Terminal Port Disabled The decoder’s ability to transmit decoded bar code data to a display terminal can be enabled or disabled. If your host computer echoes all received data, you should disable the Display Terminal port using the Disable Terminal Port configuration bar code symbol.

  • Page 16: Display Terminal Port Enabled

    Chapter 3 Host Computers and Display Terminals Display Terminal Port Enabled The decoder’s ability to transmit decoded bar code data to a display terminal can be enabled or disabled. If your host computer does not echo data, you can enable the Display Terminal port using the Enable Terminal Port configuration bar code symbol.

  • Page 17: Host Computer Port Pinout

    Chapter 3 Host Computers and Display Terminals Host Computer Port Pinout The Host Computer port is configured as a Data Terminal Equipment (DTE) device. Table 3.A defines which pins of the 25 pin (female) D-shell connector are used to provide RS-232-C and RS-422 communications. Function Abb.

  • Page 18: Rs-232-C Host Computer Interface

    Chapter 3 Host Computers and Display Terminals RS-232-C Host Computer Figure 3.3 shows how to connect the decoder to your host computer using Interface RS-232-C. We recommend using Belden (or equivalent) type 9363, 9533, 9535, or 9537 cable. Figure 3.3 Connecting A Host Computer Via RS-232-C Host Computer Port on Host RS-232-C...

  • Page 19: Rs-422 Host Computer Interface

    Chapter 3 Host Computers and Display Terminals RS-422 Host Computer Interface Figure 3.4 shows how to connect the decoder to your host computer using RS-422. We recommend using Belden (or equivalent) type 9512 cable. Figure 3.4 Connecting A Host Computer Via RS-422 Host Computer Port on Host RS-422 Port Decoder...

  • Page 20: Rs-232-C Display Terminal Port Interface

    Chapter 3 Host Computers and Display Terminals RS-232-C Display Terminal Port Figure 3.5 shows how to connect the decoder to the display terminal. Interface RS-232-C is the only supported interface for display terminals. We recommend using Belden (or equivalent) type 9363, 9533, or 9535 cable. Figure 3.5 Connecting the Display Terminal Via RS-232-C Decoder’s Display Terminal...

  • Page 21: Chapter Objectives

    Chapter A–B Installation Chapter Objectives Carefully read this chapter before installing the decoder. We will present recommendations and procedures for installing the decoder. Attention ATTENTION: Do not make adjustments to the decoder. Only use procedures specified in this manual. ATTENTION: No user maintenance of the decoder is re- quired.

  • Page 22: How To Connect Your Equipment

    Chapter 2 Description of Hardware How to Connect Your Equipment Connect your equipment as shown in Figure 4.1. A step-by-step procedure follows. Figure 4.1 Connecting the Decoder to a Host Computer and Display Terminal Step 1 Step 2 Step 5 (optional) Display Host...
  • Page 23 Chapter 4 Installation For your convenience, mounting flanges are built into the unit. The decoder can be either table or wall mounted The mounting dimensions are shown in Figure 4.2. Figure 4.2 Mounting Dimensions 71/2” 6 5/8” 73/8” 8” Step 1. Connect your scanning device to the 9-pin connector labeled Scanner.

  • Page 24: Incoming Power Cable

    Chapter 2 Description of Hardware Incoming Power Cable The incoming power connector is a standard IEC 320. This connector is widely used on computing equipment and instrumentation. Replacement cables are readily available in different lengths. Figure 4.3 shows the polarization of the connector. Figure 4.3 Polarization of the Power Connector Ground...
  • Page 25 Chapter 4 Installation b. The red LED labeled Laser ON will flash once c. A high pitched series of tones will be produced A wand is detected a. A series of low pitched tones will be produced Note: When using a hand-held laser scanner or Catalog No. 2755-L2 scan head, do not trigger either device during power up.

  • Page 26: Programmable Features

    Chapter A–B Programming Via Escape Sequences Programmable Features The table below lists the decoder’s configuration commands and indicates the supported programming methods. Bar Code Escape Function Symbol Sequence Enter Configuration Mode Show Configuration Exit Configuration Mode Disable Decoding Getting Started Getting Started Reset Default Configuration...

  • Page 27: Escape Sequence Programming

    Chapter 5 Programming Via Escape Sequences Function Bar Code Escape Symbol Sequence Good Read Beep Tone Speaker Volume Speaker/LED Speaker/LED Speaker/LED Control Pulse Speaker Laser Shutoff Delay Laser Redundancy Check Laser Scanning Laser Scanning Options Laser Connection Detection Continuous Read Mode Trigger Latch Mode The decoder’s configuration may be changed by either sending an escape sequence to the decoder or by scanning a series of configuration bar code...

  • Page 28: Determining The Value

    Chapter 5 Programming Via Escape Sequences – is an ASCII ’–’ character (hexadecimal 2D or decimal 45). y is a lower case ASCII ’y’ character (hexadecimal 79 or decimal 121). <n> is a decimal number, one or two ASCII digits. <alpha>...

  • Page 29: Concatenation Rules

    Chapter 5 Programming Via Escape Sequences Concetenation Rules All alpha characters, with exception of the last one in the string, must be lower case. The last alpha character must be upper case. Typically, the last character will be Z because you need to save your new configuration. The following escape sequences may be concatenated in any order.

  • Page 30: Concatenation Examples

    Chapter 5 Programming Via Escape Sequences The following escape sequences cannot be concatenated with any other escape sequences. Esc – y <n> A Reader Address Esc E Reset Esc – y <n> I Code ID Character Esc – y <n> N Header Esc –...

  • Page 31: Getting Started

    Chapter 5 Programming Via Escape Sequences Getting Started The table below lists the escape sequences used to configure the decoder in a step–by–step manner. The escape sequences are separated by tabs. For your convenience, the configuration bar code symbols in Chapter 6 are also separated by the same tabs.

  • Page 32: Show Configuration Esc - Y 4 S

    Chapter 5 Programming Via Escape Sequences Show Configuration Esc – y 4 S The Show Configuration command summarizes the decoder’s current configuration by displaying the Configuration Display Screen. To see the Configuration Display Screen, you must connect the decoder to a terminal or host display that can support a minimum of 24 lines by 80 characters.

  • Page 33: Show Configuration Syntax

    Chapter 5 Programming Via Escape Sequences Show Configuration Syntax Esc – y <n> S Function Show Configuration Display Screen Values of n: Show Configuration Example To display the Configuration Display Screen, on the host computer anddisplay terminal (if enabled) send the following escape sequence: Esc –...

  • Page 34: Reset Esc - Y 1 Z

    Chapter 5 Programming Via Escape Sequences Reset Reset tests and verifies the contents of EEPROM, initiates the ROM/RAM Esc – y 1 Z or Esc E self tests, and configures the decoder according to the contents of EEPROM. Note: When using a hand–held laser scanner or Catalog No. 2755–L2 scan head, do not trigger either device during power up.

  • Page 35: Rom/Ram Self Test Esc - Y 16 Q

    Chapter 5 Programming Via Escape Sequences ROM/RAM Self-test A self-test of the ROM/ RAM can be performed after a reset. The self-test Esc – y 16 Q takes approximately a half second to complete. When enabled, a single beep indicates the successful completion of the self-test. Note: Two additional beeps may follow the self test beep if the Laser Connection Detection function is enabled.

  • Page 36: Code Selection Example

    Chapter 5 Programming Via Escape Sequences Code Selection Snytax Esc – y <n> F Binary Value Function Code 39 Interleaved 2 of 5 UPC/EAN Codabar Code 128 Code 11 Values of n: 0 . . . 63 The default value of <n> is 63, all codes enabled. Code Selection Example To enable Code 39, Interleaved 2 of 5, UPC/EAN and Code 128, <n>...

  • Page 37: Verifying Check Characters

    Chapter 5 Programming Via Escape Sequences Mandatory Check Character The following bar codes have a mandatory check character. The decoder will always verify the check character. UPC/EAN Code 128 Code 11 (1 or 2 check characters) Undefined Check Character The following code has no defined check character. Codabar Verifying Check Character If check character verification is enabled and the check character cannot be...

  • Page 38: Selecting The Number Of Code 11 Check Characters

    Chapter 5 Programming Via Escape Sequences Selecting the Number of Code 11 Check Characters Check character verification of Code 11 is mandatory. The number of check characters is configurable and may be one or two. If the length of the data is less than or equal to ten, one check character is normally used.

  • Page 39: Minimum And Maximum Length Syntax

    Chapter 5 Programming Via Escape Sequences The default lengths are shown in the table below. Code Minimum Maximum Code 39 Codabar Code 128 Code 11 I 2 of 5 Must be even increments Minimum and Maximum Length Syntax Esc –y <n>, <i>, <j> U Function Code 39 Interleaved 2 of 5...
  • Page 40 Chapter 5 Programming Via Escape Sequences There are three mutually exclusive options available to check the length of Interleaved 2 of 5 symbols: 1. The allowed length of the symbols may be variable, with a minimum length of 4 and a maximum length of 32. The minimum and maximum values may be set to other even values between 4 and 32 to narrow the range of lengths to be read.

  • Page 41: Upc/Ean Options Esc - Y H

    Chapter 5 Programming Via Escape Sequences UPC/EAN Options The UPC and EAN codes have several options that may be enabled or Esc – y <n> H disabled. All versions (UPC A, UPC E, EAN 8, or EAN 13) may be automatically recognized and decoded.

  • Page 42: Upc/Ean Options Example

    Chapter 5 Programming Via Escape Sequences The default value of <n> is 0, none of the UPC/EAN options are enabled. Note: Whenever the H command is used, make sure that all of the needed configuration parameters are used in constructing the <n> number. In this case, the Full ASCII conversion and the Codabar start and stop character transmission modes need to be known before the <n>...

  • Page 43: Codabar Options Example

    Chapter 5 Programming Via Escape Sequences Codabar Options Example To suppress the transmission of the Codabar start and stop characters, send the following escape sequence: Esc – y 2 H The example assumes no UPC/EAN options are enabled and Code 39 full ASCII conversion is disabled.

  • Page 44: Code Id Character Assignment Syntax

    Chapter 5 Programming Via Escape Sequences Code ID Character Assignment Code ID characters are single ASCII characters that can be added to the Esc – y <n> / <one character> beginning of decoded bar code data. These characters indicate the symbology used to encode the data.

  • Page 45: Code Id Character Transmission Esc - Y 1 Q

    Chapter 5 Programming Via Escape Sequences Code ID Character Transmission The transmission or suppression of the code ID characters is configurable. Esc – y 1 Q Note: The Q escape sequence controls many different configuration options. Make sure that all wanted options are included when the <n> number is calculated.

  • Page 46: Parity Selection

    Chapter 5 Programming Via Escape Sequences Parity Selection The parity of the transmitted data may be configured as odd, even, 0’s (space) or 1’s (mark). Data Bits Data bits are set to seven and are not configurable. Stop Bits One or two stop bits may be transmitted at the end of each character. Intercharacter Delay A delay time can be inserted between transmitted characters.

  • Page 47: Serial Port Configuration Example

    Chapter 5 Programming Via Escape Sequences Note: The new configuration of the Serial Port is effective immediately after receipt of the command. Your host must also be able to switch communication parameters to maintain communications. Note: Data bits are set to seven and are not configurable. If you have trouble communicating with the decoder, scan the Fixed Serial Port Configuration symbol Enable At Reset, then reset the decoder.

  • Page 48: Xon/Xoff Pacing Esc - Y

    Chapter 5 Programming Via Escape Sequences XON/XOFF Pacing The decoder has the capability to have the flow of the data transmitted to the Esc – y <n> X host computer paced by an XON/XOFF protocol. Whenever this pacing protocol is enabled, the decoder will stop transmission of data to the host whenever it receives an XOFF character.

  • Page 49: Single Read Mode Example 1

    Chapter 5 Programming Via Escape Sequences Single Read Mode Example 1 To place the decoder into single read mode, send the following escape sequence to the decoder: ESC – y 1 J To allow the data from one decode to be passed to the host, send the following Enable Next Read escape sequence: Esc –...

  • Page 50: Header Syntax

    Chapter 5 Programming Via Escape Sequences Header Syntax Esc – y <n> N <characters> Values of n: 0 . . . 10 The default for the header is 0 (empty). The <n> value in the escape sequence tells the decoder how many characters after the N to load into the header buffer.

  • Page 51: Trailer Example

    Chapter 5 Programming Via Escape Sequences Note: This escape sequence cannot be concatenated. Trailer Example If you want a trailer to consist of CR LF ET, <n> is equal to three. The escape sequence transmitted to the decoder is: Esc – y 3 O CR LF ET Note: Spaces are added to the manual for clarity.

  • Page 52: No-Read Recognition Example 2

    Chapter 5 Programming Via Escape Sequences No-Read Recognition Example 2 To enable no–read recognition and ROM/RAM self test, send the following escape sequence: Esc – y 18 Q No-Read Message The contents of the no–read message buffer is transmitted whenever no–read Esc –...

  • Page 53: Reader Address Syntax

    Chapter 5 Programming Via Escape Sequences Reader Address Syntax Esc –y <n> A <character> Function Reader Address Mode Disabled Reader Address Mode Enabled Values of n: <character> can be one of 128 ASCII characters The <n> value tells the decoder how many characters after the A to load into the reader address buffer.

  • Page 54: Good Read Beep Tone Example

    Chapter 5 Programming Via Escape Sequences Tones 1 through 12 form a rough chromatic scale. Good Read Beep Tone Example To set the tone to a frequency of 687 Hz, send the following escape sequence: Esc – y 6 B Speaker/LED Control This function controls the volume of the speaker and toggles the speaker and Esc –...

  • Page 55: Pulse Speaker Syntax

    Chapter 5 Programming Via Escape Sequences If multiple tone commands are to be sent in a string, a delay of at least 100 ms should be placed between each command to ensure that each tone occurs. The approximate frequencies versus tone (n) are given below. Tones 1 through 12 form a rough chromatic scale.

  • Page 56: Laser Redundancy Check Syntax

    Chapter 5 Programming Via Escape Sequences Laser Redundancy Check When the laser redundancy check is enabled, two consecutive, identical Esc – y 1 R decodes of a symbol must occur (after the laser scanner is triggered) before a good read is recognized by the decoder. When disabled, only one decode is required.

  • Page 57: Laser Connection Detection

    Chapter 5 Programming Via Escape Sequences Laser Connection Detection Syntax Esc –y <n> R Function Binary Value All Options Disabled Laser Redundancy Check Enable Laser Connection Detection ON Continuous Read Mode Trigger Latch Mode On Values of n: 0 . . . 15 * Default The default value of <n>...

  • Page 58: Continuous Read Mode Syntax

    Chapter 5 Programming Via Escape Sequences Continuous Read Mode Syntax Esc –y <n> R Function Binary Value All Options Disabled Laser Redundancy Check Enable Laser Connection Detection ON Continuous Read Mode Trigger Latch Mode On Values of n: 0 . . . 15 * Default The default value of <n>...

  • Page 59: Trigger Latch Mode Example

    Chapter 5 Programming Via Escape Sequences Trigger Latch Mode Example To enable the trigger latch mode, send the following escape sequence: Esc – y 8 R Laser Shutoff Delay The laser shutoff delay determines how long the laser will remain enabled Esc –...
  • Page 60 Chapter A–B Programming Via Configuration Bar Code Symbols Programming Features The table below lists the decoder’s configuration commands and indicates the supported programming methods. Bar Code Escape Function Symbol Sequence Enter Configuration Mode Show Configuration Exit Configuration Mode Disable Decoding Getting Started Reset Default Configuration...

  • Page 61: Configuration Bar Code Symbols

    Chapter 6 Programming Via Configuration Bar Code Symbols Bar Code Escape Function Symbol Sequence Good Read Beep Tone Speaker Volume Speaker/LED Speaker/LED Speaker/LED Control Pulse Speaker Laser Shutoff Delay Laser Redundancy Check Laser Scanning Laser Connection Detection Options Options Continuous Read Mode Trigger Latch Mode Programming Features The decoder’s configuration may be changed by either scanning a series of...

  • Page 62: Syntax Errors

    Chapter 6 Programming Via Configuration Bar Code Symbols Type 1 is the most commonly used configuration type. An example of a Type 1 symbol is the Enable Decoding symbol under the Code 39 heading. Another example is the UPC Only symbol in the UPC heading. Scans of Type 1 may be done in any order, since each controls an independent function, and each configuration option is complete as soon as the symbol has been scanned.

  • Page 63: Syntax Error Example

    Chapter 6 Programming Via Configuration Bar Code Symbols configuration session by scanning the Enter Configuration Mode symbol again to clear the error and then begin scanning the first symbol in the configuration sequence. As long as each configuration operation is individually completed, configuration operations may be carried out independently.

  • Page 64: Getting Started

    Chapter 6 Programming Via Configuration Bar Code Symbols Getting Started The table on page 6–5 lists the configuration bar code symbols used to configure the decoder. They are separated by tabs and grouped by function. For your convenience, the escape sequences in Chapter 5 are also separated by the same tabs.

  • Page 65: Enter Configuration Mode

    Chapter 6 Programming Via Configuration Bar Code Symbols Enter Configuration Mode To configure the decoder using the bar code menu symbols, the decoder must be placed into the configuration mode by scanning the Enter Configuration Mode symbol. Configuration bar code symbols can then be scanned until all configuration changes are complete.

  • Page 66: Full Ascii Conversion

    Chapter 6 Programming Via Configuration Bar Code Symbols Code 39 Enter Used to enable and disable Code 39. *Default is Code 39 enabled. Enable/Disable Exit Enter Full ASCII Conversion Code 39 has an option that allows the full ASCII character set to be decoded using the 43 characters of the Code 39 character set.

  • Page 67: Interleaved 2 Of 5

    Chapter 6 Programming Via Configuration Bar Code Symbols Interleaved 2 of 5 Used to enable and disable Interleaved 2 of 5. Enter *Default is I 2 of 5 enabled. Enable/Disable Exit Enter Check Character Verification Check characters are supplemental characters added to a bar code symbol to allow the verification of decoded data.

  • Page 68: Minimum And Maximum Lengths

    Chapter 6 Programming Via Configuration Bar Code Symbols Interleaved 2 of 5 Length Checking (continued) Assign Min and Max Length Enter Max Length= Variable Length Number between 4 Min Length = and 32 from number menu Number between 4 and 32 from number Exit menu Code 128...

  • Page 69: Minimum And Maximum Lengths

    Chapter 6 Programming Via Configuration Bar Code Symbols Code 11 Enter Used to enable and disable Code 11. *Default is Code 11 enabled. Enable/Disable Exit Enter Selecting the Number of Code 11 Check Characters Check character verification of Code 11 is mandatory. The number of check characters may be one or two.

  • Page 70: Enable Upc/Ean

    Chapter 6 Programming Via Configuration Bar Code Symbols Enter Enable UPC/EAN Used to enable and disable UPC/EAN. *Default is UPC/EAN enabled. Enable/Disable Exit Read UPC Versus UPC/EAN Enter All versions (UPC A, UPC E, EAN 8, or EAN 13) may be automatically recognized and decoded.

  • Page 71: Supplemental Digits (Upc/Ean)

    Chapter 6 Programming Via Configuration Bar Code Symbols Supplemental Digits (UPC/EAN) Enter Supplemental characters may be enabled. If they are enabled, the symbol must be scanned in the forward direction, supplemental characters last. No Supplements If the symbol is scanned backwards, for instance with the 2 digit only reverse sweep of a laser scanner, or the symbol does 5 digit on;y...

  • Page 72: Codabar

    Chapter 6 Programming Via Configuration Bar Code Symbols Codabar Enter Used to enable and disable Codabar. *Default is Codabar enabled. Enable/Disable Exit Enter Min Length = Number from Number menu Minimum and Maximum Lengths (Codabar) The length of a decoded bar code may be checked to see if it matches a set of predefined (configurable) limits.

  • Page 73: Check Character Transmission

    Chapter 6 Programming Via Configuration Bar Code Symbols Check Character Transmission Enter When check character verification is enabled for Code 39 and Interleaved 2 of 5, the transmission of the verified check character may be deleted from the message, or transmitted, as a data character, along with the decoded data.

  • Page 74: Code Id Character Assignment

    Chapter 6 Programming Via Configuration Bar Code Symbols Code ID Character Assignment Code ID characters are single ASCII characters that can be added to the beginning of decoded bar code data. These characters indicate the symbology used to encode the data. The code ID character may be suppressed or transmitted with the bar code message.

  • Page 75: Baud Rate Selection

    Chapter 6 Programming Via Configuration Bar Code Symbols Baud Rate Selection Enter Baud rate is programmable. available baud rates are: Baud 1200 2400 Exit 4800 9600 19.2K *Default is 9600 Baud . 6–16...

  • Page 76: Parity

    Chapter 6 Programming Via Configuration Bar Code Symbols Parity Enter The parity of the transmitted data may be configured as odd, even, 0’s (space) or 1’s (mark). Parity *Default parity is 0’s. Exit Stop Bits Enter One or two stop bits may be transmitted at the end of each character.

  • Page 77: Rts/Cts Handshaking

    Chapter 6 Programming Via Configuration Bar Code Symbols RTS/CTS Handshaking Enter When this option is enabled, the Request To Send (RTS) line is activated when the decoder has characters to transmit. Transmission proceeds when the Clear To Send (CTS) line is active. RTS/CTS When disabled, RTS remains inactive and CTS is ignored.

  • Page 78: Xon/Xoff Pacing

    Chapter 6 Programming Via Configuration Bar Code Symbols XON/XOFF Pacing Enter Whenever this pacing protocol is enabled, the decoder will stop transmission of data to the host whenever it receives an XOFF character. Transmission will resume after reception of an XON character. When pacing is disabled, the XON/XOFF decoder will ignore these characters.

  • Page 79: Reader Address

    Chapter 6 Programming Via Configuration Bar Code Symbols Header Enter The header is a group of characters transmitted before any bar code data. The number of characters can vary from Message 0 to 10. The default header is none (empty buffer).

  • Page 80: No Read Message

    Chapter 6 Programming Via Configuration Bar Code Symbols Enter No–Read Message ON Message = No–Read Recognition If no–read recognition is enabled and a bar code symbol was scanned but not decoded, the no–read message is Characters from transmitted, the Valid Read LED and speaker will be pulsed Character Menu twice.

  • Page 81: Speaker/Led

    Chapter 6 Programming Via Configuration Bar Code Symbols Speaker/LED Control When this feature is enabled, the Configuration Display Screen will show LED control and good read beep configuration information. Good reads will produce LED activity or a beep. Scans of the configuration bar code symbols will produce beeps and flashes.

  • Page 82: Laser Redundancy Check

    Chapter 6 Programming Via Configuration Bar Code Symbols Laser Redundancy Check Enter When the laser redundancy check is enabled, two consecutive, identical decodes of a symbol must occur (after the laser scanner is triggered) before a good read Laser is recognized by the decoder. Redundancy Check When disabled, only one decode is required.

  • Page 83: Laser Shutoff Delay

    Chapter 6 Programming Via Configuration Bar Code Symbols Laser Shutoff Delay The laser shutoff delay determines how long the laser will remain ON while the trigger is enabled. The laser will remain on until a read is completed, the laser shutoff period has elapsed, or the trigger has been disabled.

  • Page 84: Number Menu 0 - 33, 40, 50

    Chapter 6 Programming Via Configuration Bar Code Symbols Number Menu 6–25...
  • Page 85 Chapter 6 Programming Via Configuration Bar Code Symbols Number Menu 6–26...
  • Page 86 Chapter 6 Programming Via Configuration Bar Code Symbols Number Menu 6–27...
  • Page 87 Chapter 6 Programming Via Configuration Bar Code Symbols Number Menu 6–28...
  • Page 88 Chapter 6 Programming Via Configuration Bar Code Symbols Number Menu 6–29...

  • Page 89: Character Menu

    Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–30...
  • Page 90 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–31...
  • Page 91 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–32...
  • Page 92 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–33...
  • Page 93 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–34...
  • Page 94 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–35...
  • Page 95 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–36...
  • Page 96 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–37...
  • Page 97 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–38...
  • Page 98 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–39...
  • Page 99 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–40...
  • Page 100 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–41...
  • Page 101 Chapter 6 Programming Via Configuration Bar Code Symbols Character Menu 6–42...

  • Page 102: Data Output Formats

    Chapter A–B Data Output Formats Data Output Formats The format of the decoded messages transmitted from the decoder to the host computer can vary depending upon the type of bar code scanned and the configuration of the decoder. Generic Output Formats The generic output formats for the decoder are as follows: After a good read: Reader Address...

  • Page 103: Code 39 Data Output

    Chapter 7 Data Output Formats Code 39 Data Output Check Minimum Maximum Enabled Character Output Transmitted Transmitted Decoding Printed in Format Message Message Options Label? Length Length None a...a None a...ac Check character no output – – verification Check character a...a verification Check character...

  • Page 104: Interleaved 2 Of 5

    Chapter 7 Data Output Formats Interleaved 2 of 5 Check Minimum Maximum Enabled Character Output Transmitted Transmitted Decoding Printed in Format Message Message Options Label? Length Length None dd...dd None dd...dc Check character no output – – verification Check character dd...d verification Check character...

  • Page 105: Upc/Ean

    Chapter 7 Data Output Formats UPC/EAN Code Decoding Options Output Format Length UPC A Standard Anddddddddddc UPC A with 2 digit supplement Anddddddddddcss UPC A with 5 digit supplement Anddddddddddcsssss UPC E Standard E0dddddd UPC E with 2 digit supplement E0ddddddss UPC E with 5 digit supplement...
  • Page 106 Chapter 7 Data Output Formats Code 128 Code 128 has three code subsets, Code A, Code B, and Code C. Code A and Code B represent the normal ASCII characters. Code C represents a special double density numeric format. Code Output Minimum Maximum...
  • Page 107 Chapter 7 Data Output Formats An example of each case is shown below. Case # Data Check Character 0123456789–01 1 (last character) 0123456789–06 0 (second to last character) 6 (last character) 8 (last character) 01234528 2 (second to last character) 8 (last character) The output for each of these inputs versus checking for one or two check characters is shown below.

  • Page 108: Chapter Objectives

    Chapter A–B Maintenance and Troubleshooting Chapter Objectives Troubleshooting guidelines are presented in this chapter. Maintaining the Equipment ATTENTION: No user maintenance of the decoder is required. Do not open the enclosure! Replacing the Fuse Follow these steps to replace the decoder’s fuse. Step 1.

  • Page 109: Troubleshooting The System

    Chapter 8 Maintenance and Troubleshooting Troubleshooting the System Problem Probable Cause Possible Solution Decoder is not turned ON. Turn decoder ON. Switch is on rear of unit. Improper connection to power supply. Reconnect power cable to source and decoder. If POWER ON indicator cable is defective, replace it.

  • Page 110: Codabar

    Chapter A–B Specifications Mult-Purpose Bar Code Electrical Workstation (Catalog Number 2755-DH1) Input Line Voltage: 90 – 264 VAC, 50/60 Hz. Operating Current 0.5 Amp, max. Power Consumption 40 VA, max. Speaker Impedance 8 – 32 Ohms (tip positive) Mechanical Enclosure Heavy gauge steel, NEMA 1 LED Indicators Power...
  • Page 111 Chapter 9 Specifications Communications Stop bits 1 or 2 Data bits Parity 0’s (space) 1’s (mark) even Baud Rate 1200 2400 4800 9600 19.2 K Electrical Standard Host Computer Port RS–232–C or RS–422 Display Terminal Port RS–232–C 9–2...

  • Page 112: Default Settings

    Appendix A–B Default Settings Default Settings The decoder has a set of default conditions. These conditions may be restored by scanning the Default Configuration, configuration bar code symbol. The details of the default configuration are as follows: Bar Code Escape Function Default Symbol...
  • Page 113 Appendix A Default Settings Bar Code Escape Function Default Symbol Sequence 9600 Baud Serial Port Configuration 1 Stop bit 0’s parity RTS/CTS Handshaking Enabled Intercharacter Delay Enable Disabled 20 ms Intercharacter Delay Time Serial Port Disabled XON/XOFF Pacing Configuration Configuration Disabled Single Read Mode –...
  • Page 114 Appendix A–B Escape Sequence Summary Escape Sequence Function Values of <n> Default Page No 5-37 Esc - y <n> A Reader Address 0 - 1 Empty 5-38 Esc - y <n> B Good Read Beep Tone 0 - 16 5-39 Esc - y <n>...
  • Page 115 Appendix A–B Non-Displayable ASCII Characters Display Screen Representation Mnemonic BELL BKSP – C–1...
  • Page 116 Appendix A–B Code 39 Values of ASCII Characters ASCII Code 39 ASCII Code 39 ASCII Code 39 ASCII Code 39 ‘ Space “ & ’ – – < > %T,%X,%Y,%Z Note: Character pairs /M and /N decode as a minus sign and a period respectively. Character pairs /P through /Y decode as 0 through 9.
  • Page 117 Glossary A–B bar code The vertical bars and spaces found in a bar code symbol. Acronym for Automatic Identification Manufacturers. bar code density The number of characters which can be represented in a lineal inch. alignment The relative position of a scanner or bar code label light source to the target or the A label that carries a bar code and is...
  • Page 118 Glossary clear area A clear space, containing no dark marks, that precedes the start Acronym for Charge Couple Device; character of a symbol and follows a linear image sensor that scans at the stop character. That region of a high speeds (approximately 4,000 document reserved for OCR times per second) and detects the characters and the required clear...
  • Page 119 Glossary decoder logic edge error The circuitry which receives the Irregularities with respect to the signals from the scanner, interprets average edge of an element. the signals into meaningful data and element provides the interface to other 1) A single binary position in a devices.
  • Page 120 Glossary hand–held scanner key mark or trigger Refers to any scanning device that A code bit(s) that provides the must be held over the bar code scanner with the instruction that the symbol. code is in a position to be read; used in some fixed beam readers.
  • Page 121 Glossary misread nominal size A condition which occurs when the The standard size for a bar code symbol. data output of a reader does not agree Most codes can be used over a range of with the encoded data presented. See magnifications from 0.80 to 1.20, substitution error.
  • Page 122 Glossary opacity parity bar, parity bit, parity 1) The property of paper that module minimizes the show through of A parity bit is added to a binary array printing from the back side or the to make the sum of all the bits next sheet.
  • Page 123 Glossary print quality reflectance, absolute The complete analysis of a printed The ratio of the total reflectance by a symbol with regard to reflectance document to the total light incident properties as well as bar and space on the document. resolution with regard to symbol reflectance, diffuse specification.
  • Page 124 Glossary retroreflector self–checking A reflector, specially constructed, A bar code or symbol using a which reflects energy back to the checking algorithm which can be source from which it came. It is also applied to each character to guard known as a “corner reflector”. against undetected errors.
  • Page 125 Glossary specular reflection symbol length Reflection of light from a surface at The length of the symbol measured an angle equal but opposite to the from the beginning of the quiet area angle of incidence. See reflectance, adjacent to the start character to the specular.

  • Page 126: Codabar Example

    Index A–B Example Autodiscriminate Supplements Code 39 Full ASCII Conversion (UPC/EAN) 5-23 6-12 Syntax 5-23 Example 5-23 Baud Rate Parameters Code ID Character Assignment 5-26 5-24, 6-15 Baud Rate Selection Example 6-16 5-24 Belden Cable Syntax 3-5–3-6 5-24 Binary Values Code ID Character Assignment 5-3, 5-12–5-13, 5-16, 5-21–5-23, 6-15...
  • Page 127 Index Electrical Precautions 3-4–3-7, 5-1, 5-28, 6-1, 6-5, 6-18, 6-41 6-39 6-39 Data Output Formats Enable Next Read 5-32 Syntax 6-40 5-32 Example 6-40 5-32 Enable UPC/EAN 6-40 6-11 Enter Configuration Mode 6-40 Escape Sequence 3-6–3-7 Programming Default Configuration symbol Syntax Defalult Settings Appx A...
  • Page 128 Index Esc - y <n> I < one Esc -y <n> V Laser Shutoff character> Code ID Delay Character Assignment 5-45 5-24 Esc - y <n> W Disable Esc - y <n> J Single Read Decoding Mode 5-31 Esc - y <n> X XON/XOFF Esc - y 1 K Enable Next Read Pacing 5-30...

  • Page 129: Individual Bar Code Type Output Formats

    Index Grounding Recommendations Laser Connection Detection 5-42, 6-22 Example 6-41 5-42 Syntax 5-42 Laser Redundancy Check Handshaking 5-41, 6-22 3-4, 5-28, 6-5, 6-18, 8-2 Laser Scanning Options Header 5-41 5-33, 6-20 Laser Shutoff Delay Example 5-45, 6-23 5-33 Example Syntax 5-45 5-33 Syntax...
  • Page 130 Index Syntax RS-422 Host Computer Interface 5-35 RTS/CTS Hanshaking Non-displayable ASCII Characters 5-7, Appx C 6-18 Parity Selection Serial Number 6-20 5-26, 6-17 Serial Port Configuration Package Detector 5-26 5-43, 6-22 Example Pinout 3-4, 3-6 5-28 Power Up Sequence Syntax 5-27 Pulse Speaker Speaker/LED Control...

  • Page 131: Warnings And Cautions

    Index Example 5-11 UPC/EAN Options Syntax 5-20 5-11 Syntax 5-21 6-39 Example Supplemental Digits (UPC/EAN) 5-21 6-12 6-41 Syntax Errors Example Verifying Check Characters 5-14 6-40 Timeout Trailer Warnings and Cautions 5-34, 6-20 Example Warnings and Cautions 5-34 Syntax 5-34 Transmitting Check Characters 5-15 XON/XOFF Example 1...
  • Page 132 Taiwan Thailand The Netherlands Turkey United Arab Emirates United Kingdom United States Uruguay Venezuela Yugoslavia World Headquarters, Allen-Bradley, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 382-2000 Fax: (1) 414 382-4444 Catalog Number 2755-ND003 – Series B...

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