Opticon Universal menu book Installation instructions

Set up your personal configuration

bar code configuration

and commands manual

OPTICON Universal menu book

Universal menu book

ver. 12 © December 2009

Set up your personal configuration

bar code configuration

and commands manual

OPTICON Universal menu book

Uii

CAUTION: This information is subject to

change without prior notice.

This manual may not, in whole or in part, be

copied, photocopied, reproduced, translated or

converted to any electronic or machine

readable form without prior written consent of

Opticon Sensors Europe.

LIMITED WARRANTY AND DISCLAIMERS

Under all circumstances this manual should be

read attentively, before installing and or using

the product.

Serial number

A serial number appears on all Opticon

products. This official registration number is

strictly related to the device purchased. Make

sure that the serial number appearing on your

Opticon device has not been removed.

Removing the serial number might affect the

warranty conditions and liability

disadvantageously, so please be strict at

maintaining the label with serial number on the

Opticon product.

Warranty / Warranty period / Liability

Unless otherwise agreed in a contract, all

Opticon products are warranted for the period

of two years after purchase, covering defects in

material and workmanship. Opticon will repair

or, at its opinion, replace products that prove to

be defective in material or workmanship under

proper use during the warranty period. Opticon

will not be liable in cases where modifications

are made by the customer. In such case the

standard repair charge will be applicable. The

standard charge for repair will also be

applicable in cases where no defect is found at

all. These rules also apply for products that are

still under warranty. Under no circumstance will

Opticon Sensors Europe, be liable for any

direct, indirect, consequential or incidental

damages arising out of use or inability to use

both the hardware and software, even if

Opticon has been informed about the possibility

of such damages.

Packaging

The packing materials are not harmful for the

environment. We recommend that you save all

packing material, as it should be used

whenever you need to transport your scanner

(eg. for service). Damage caused by improper

repacking is not covered by the warranty.

Trademark

Trademarks used are property of their

respective owners.

Table of contents

OPTICON Universal menu book

Uiii

TABLE OF CONTENTS

0. Introduction .............................................U1

1. Defaults ....................................................U5

2. Interface ...................................................U7

2.1. RS232 options ..................................... U8

2.1.1. Baud rate settings................................ U9

2.1.2. Data, parity, stop bits ......................... U10

2.1.3. Handshaking...................................... U11

2.1.4. Intercharacter delay for RS232.......... U14

2.2. Keyboard wedge/USB options........... U15

2.2.1. Keyboard layout ................................. U16

2.2.2. Special options .................................. U18

2.2.3. Intercharacter delay for

wedges/USB...................................... U19

2.3. Wireless options ................................ U20

2.3.1. Bluetooth address.............................. U21

2.3.2. Bluetooth security .............................. U23

2.3.3. Trigger connection options................. U24

2.3.4. Trigger disconnect options................. U26

2.3.5. Auto disconnect options..................... U27

2.3.6. Auto reconnect options ...................... U28

2.3.7. Wireless power saving....................... U29

2.3.8. Memorizing ........................................ U30

3. Code options .........................................U33

3.1. Setting of readable codes .................. U34

3.1.1. Enabling a single read. Code............. U35

3.1.2. Enabling of readable codes ............... U38

3.2. Setting of number of characters......... U42

3.3. Setting code specific options ............. U46

3.3.1. Options for UPC-A ............................. U47

3.3.2. Options for UPC-E ............................. U48

3.3.3. Options for EAN-13 and EAN-8 ......... U50

3.3.4. Options for Code 39 and It.Pharm..... U52

3.3.5. Options for Codabar .......................... U55

3.3.6. Options for 2of5 and S-Code............. U59

3.3.7. Options for IATA ................................. U61

3.3.8. Options for MSI/Plessey .................... U62

3.3.9. Options for Telepen............................ U64

3.3.10.Options for UK/Plessey...................... U65

3.3.11.Options for Code 128 and GS1-128 .. U66

3.3.12.Options for Code 93........................... U68

3.3.13.Options for Code 11........................... U70

3.3.14.Options for Korean Postal Authority... U71

3.3.15.Options for Intelligent Mail Barcode... U72

3.3.16.Options for POSTNET ....................... U72

3.3.17.Options for GS1 Databar ................... U73

3.3.18.Options for Composite Codes............ U74

3. Code options (continued)

3.3.19.Options for Codablock F .....................U76

3.3.20.Options for DataMatrix........................U76

3.3.21.Options for Aztec ................................U77

3.3.21.Options for Chinese Sensible code ....U78

3.3.22.Options for QR Code ..........................U79

3.3.23.Options for Micro QR Code ................U80

3.3.24.Options for Maxicode..........................U80

3.3.25.Options for PDF417............................U81

3.3.26.Options for MicroPDF417 ...................U81

4. String options........................................ U83

4.1. Case conversion.................................U84

4.2. Set prefix and suffix ............................U85

4.2.1 Set prefix ............................................U90

4.2.2. Set suffix.............................................U93

4.3.1. Direct input keyboard keys .................U96

4.3.2. Direct input character misc. ................U99

4.3.3. Direct input numeric..........................U102

4.3.4. Direct input character .......................U103

4.3.5. Direct input lower case character .....U105

4.3.6. Direct input control character............U107

4.3.7. Direct input code id/length ................U110

5. Read options ....................................... U111

5.1. Read mode options ..........................U112

5.1.1. Multiple read reset time ....................U114

5.1.2. Quiet zone options............................U115

5.1.3. Auto trigger options ..........................U116

5.2. Read time options.............................U116

5.3. Power control....................................U118

5.4. Redundancy .....................................U119

5.5. Positive and negative bar codes.......U120

5.6. Floodlight and aiming options...........U121

6. Indicator options................................. U123

6.1. Buzzer settings .................................U124

6.2. Good read LED.................................U126

7. Miscellaneous ..................................... U127

7.1. Diagnostics .......................................U127

7.2. Serial configuration support..............U128

Appendix.............................................. U131

A. Trouble shooting ...............................U131

B. Glossary of terms .............................U132

C. Example codes .................................U136

OPTICON Universal menu book

Uiv

TABLE OF FIGURES

0. Introduction

Fig. 0.01. Menu labels.....................................U1

Fig. 0.02. Configuring via the menu book .......U2

Fig. 0.03. Opticonfigure...................................U3

2. Interface

Fig. 2.01. RS232 options DB25 ......................U8

Fig. 2.02. RS232 options DB25 ......................U8

Fig. 2.03. Data, parity, stop bits ....................U10

Fig. 2.04. HandShaking Busy/Ready............U11

Fig. 2.05. HandShaking Modem mode .........U11

Fig. 2.06. HandShaking ACK/NAK................U12

Fig. 2.07. HandShaking ACK/NAK

no response ..................................U12

Fig. 2.08. Power saving table........................U29

3. Code options

Fig. 3.00. Code translations and relations ....U33

Fig. 3.01. Enabling a single readable code:

Symbology only.............................U34

Fig. 3.02. Enabling a single readable code:

Special variation............................U34

Fig. 3.03. Enabling a single readable code:

New family name...........................U34

Fig. 3.04. Enabling of readable codes ..........U38

Fig. 3.05. Enabling of readable codes

addition .........................................U38

Fig. 3.06. Setting Fixed length ON

all codes........................................U42

Fig. 3.07. Setting Minimum length table........U43

Fig. 3.08. Setting Fixed length ON

selected codes..............................U43

Fig. 3.09. Setting Minimum length

for selected codes.........................U44

Fig. 3.10. Setting Maximum length

for selected codes.........................U44

Fig. 3.11. Setting code specific options ........U46

Fig. 3.12. Options for UPC-A ........................U47

Fig. 3.13. Options for UPC-A, +2, +5 ............U47

Fig. 3.14. Options for UPC-E ........................U48

Fig. 3.15. Options for UPC-E, +2, +5 ............U48

Fig. 3.16. Options for EAN-13.......................U50

Fig. 3.17. Options for EAN-13, +2, +5...........U50

Fig. 3.18. Options for EAN-8.........................U50

Fig. 3.19. Options for EAN-8, +2, +5.............U50

Fig. 3.20. Options for Code 39......................U52

Fig. 3.21. Options for Italian Pharmaceutical U53

Fig. 3.22. Options for Tri-Optic ......................U53

Fig. 3.23. Options for Codabar......................U55

Fig. 3.24. Options for ABC Code ..................U55

Fig. 3.25. Options for CX Code.....................U55

Fig. 3.26. Options for Codabar......................U56

3. Code options (continued)

Fig. 3.27. Options for 2of5 and S-Code:

Industrial 2of5,

Interleaved 2of5,

S-Code,

Matrix 2of5,

Chinese Post Matrix 2of5..............U59

Fig. 3.28. Options for IATA ............................U61

Fig. 3.29. Options for MSI/Plessey ...............U62

Fig. 3.30. Options for Telepen.......................U64

Fig. 3.31. Options for UK/Plessey.................U65

Fig. 3.32. Options for Code 128....................U66

Fig. 3.33. Options for GS1-128.....................U66

Fig. 3.34. Options for Code 93......................U68

Fig. 3.35. Options for Code 11......................U70

Fig. 3.36. Options for Korean Postal

Authority code...............................U71

Fig. 3.37. Options for Intelligent Mail

Barcode ........................................U72

Fig. 3.38. Options for POSTNET ..................U72

Fig. 3.39. Options for GS1 Databar,

GS1 Databar Limited ....................U73

Fig. 3.40. Options for

GS1 Databar Expanded................U73

Fig. 3.41. Options for Composite A...............U74

Fig. 3.42. Options for Composite B...............U74

Fig. 3.43. Options for Composite C...............U74

Fig. 3.44. Combined options for

Composite Codes .........................U74

Fig. 3.45. Options for Codablock F ...............U76

Fig. 3.46. Options for DataMatrix..................U77

Fig. 3.47. Options for Aztec ..........................U77

Fig. 3.48. Options for Chinese Sensible codeU78

Fig. 3.48. Options for QR Code ....................U79

Fig. 3.49. Options for Micro QR Code...........U80

Fig. 3.50. Options for Maxicode....................U80

Fig. 3.51. Options for PDF417 ......................U81

Fig. 3.52. Options for MicroPDF417 .............U81

4. String options

Fig. 4.01. String options................................U83

Fig. 4.02. Case conversion ...........................U84

Fig. 4.03. Set prefix and suffix ......................U85

Fig. 4.04. OPTICON Code identifiers ...........U86

Fig. 4.05. AIM/ISO15424 Code identifiers ....U87

Fig. 4.06. Modifiers for Code 39....................U87

Fig. 4.07. Modifiers for Codabar ...................U88

Fig. 4.08. Modifiers for Interleaved 2of5 .......U88

Fig. 4.09. Modifiers for IATA ..........................U88

Fig. 4.10. Modifiers for MSI/Plessey .............U88

Fig. 4.11. Modifiers for Telepen.....................U88

Fig. 4.12. Modifiers for Code 11....................U89

Fig. 4.13. Modifiers for Codablock F .............U89

Fig. 4.14. Modifiers for DataMatrix................U89

Fig. 4.15. Modifiers for Aztec ........................U89

Fig. 4.16. Modifiers for QR Code ..................U89

Fig. 4.17. Modifiers for Maxicode..................U89

Table of contents

OPTICON Universal menu book

5. Read options

Fig. 5.01. Multiple read reset time.............. U114

6. Indicator options

Fig. 6.01. Buzzer settings........................... U124

6. Diagnostics

Fig. 7.01. Serial configuration support ....... U128

Appendix A Trouble Shooting

Fig. A.01. Trouble shooting......................... U131

Appendix C Example Codes

Fig. C.01. UPC-A,

UPC-A +2,

UPC-A +5, ................................. U136

Fig. C.02. UPC-E,

UPC-E +2,

UPC-E +5,

UPC-E1,

UPC-E1 +2,

UPC-E1 +5,................................ U136

Fig. C.03. EAN-13 and EAN-8:

EAN-13 (ISBN),

EAN-13 +2,

EAN-13 +5,

EAN-8

EAN-8 +2,

EAN-8 +5 ................................... U137

Fig. C.04. Code 39 and It.Pharm.:

Code 39

Code 39 Full ASCII

Code 39 Italian Pharmaceutical

(Full Italian Pharmaceutical)

Tri-Optic...................................... U137

Fig. C.05. Codabar

Codabar ABC

Codabar CX ............................... U138

Fig. C.06. 2of5 and S-Code:

Industrial 2of5,

Interleaved 2of5,

S-Code,

Matrix 2of5,

Chinese Post Matrix 2of5 ........... U138

Fig. C.07. IATA ............................................ U139

Fig. C.08. MSI/Plessey ............................... U139

Fig. C.09. Telepen....................................... U139

Fig. C.10. UK/Plessey................................. U139

Fig. C.11. Code 128 and GS1-128 ............. U139

Fig. C.12. Code 93...................................... U139

Fig. C.13. Code 11...................................... U139

Fig. C.14. Korean Postal Authority code..... U139

Fig. C.15. Intelligent Mail Barcode.............. U140

Fig. C.16. POSTNET .................................. U140

Fig. C.17. GS1 Databar

GS1 Databar stacked

GS1 Databar truncated

GS1 Databar Limited

GS1 Databar Expanded..............U140

Fig. C.18. Composite Codes

Composite Component A

Composite Component B

Composite Component C............U140

Fig. C.19. Codablock F ................................U141

Fig. C.20. DataMatrix...................................U141

Fig. C.21. Aztec

Aztec Runes................................U141

Fig. C.22. Chinese Sensible code ...............U141

Fig. C.23. QR Code .....................................U141

Fig. C.24. Micro QR Code ...........................U141

Fig. C.25. Maxicode.....................................U141

Fig. C.26. PDF417.......................................U142

Fig. C.27. MicroPDF417 ..............................U142

OPTICON Universal menu book

Uvi

Introduction

OPTICON Universal menu book

INTRODUCTION

This menu book is intended for setting up your

bar code reader to optimize its performance for

your particular application. When the required

options have been configured, they remain in

the reader, even after power down. The reader

can be returned to factory default by reading

the default label.

Menu labels

The reader must be set by reading the bar code

labels in the menu table. The layout of the table

is explained in next figure 0.01.

Besides options, some chapters have

commands. The commands need to be

scanned directly, without reading the “SET” and

“END” labels. The commands are executed

directly and, unlike options, are not stored in

non volatile memory.

Fig. 0.01. Menu labels

Enter mode

Save mode

configuration parametersserial commands

optional setting

factory default setting

OPTICON Universal menu book

Configuring via the menu book

To configure the required options proceed as

follows:

• scan the SET label

• scan the required option(s)

• scan the END label

After scanning the END label, the new settings

are stored in non volatile memory.

Recommended steps to follow for quick

configuration

After checking your connection you are ready

to start the configuration of your reader.

• Check connection:

Ensure that the power is disconnected from

your equipment before you connect the reader.

After connecting the data cable, the power can

be applied to the equipment and the reader.

•1:

Use chapter 1 to set the correct default for your

reader.

* The reader is now in factory default.

•2:

Use chapter 2 to optimize the interface.

* The reader is now able to read bar codes and

transmit the data.

•3:

Use chapter 3 to optimize the reader for the

type of bar codes you use. Set the readable

codes first and then the options for each of

these codes.

* The reader is now able to read the codes you

selected, validate the data using length and

check digit and transmit that part of the data

you specified.

•4:

Use chapter 4 to select the string options for

your application. These include transmission of

code length, conversion of upper and lower

case and setting a prefix and suffix.

* The reader can now read and transmit the

data in the required format.

•5:

Use chapter 5 to select the read options to your

preference. These options affect the read

mode, read time, trigger and redundancy.

•6:

Use chapter 6 to select the indicator options

you prefer. These options affect the operation

of the buzzer and good read LED.

* The reader will now operate to your personal

preference.

See figure 0.02.

Power OFF

Connect reader

Power ON

Set Default (1)

Optimize interface (2)

Optimize symbologies (3)

Set string options (4)

Set read options (5)

Set indicator options (6)

Fig. 0.02. Recommended Steps

Introduction

OPTICON Universal menu book

Configuring via RS232

In the middle column of the menu pages the

command is printed, e.g. U2. These commands

can be sent to readers with an RS232 interface.

To configure via the RS232 port proceed as

follows:

• transmit <ESC><Command string 1><CR>

• transmit <ESC><Command string 2><CR>

• transmit <ESC><Command string n><CR>

• transmit <ESC>Z2<CR>

<ESC>

<ESC> is the ASCII escape character (Hex

1B).

<Command string> is the ASCII command with

its parameters as would be scanned from the

menu book, i.e. <ESC>M41B<CR> configures

the ASCII control code <STX> as the prefix for

Code 39.

Example in hexadecimal format:

1B 4D 34 31 4B ØD

Each 3-character command should be

preceded with the '[' character (Hex 5B) i.e.

<Esc>[BCC<CR> is used to enable Data

Matrix.

Each 4-character command should be

preceded with the ']' character (Hex 5D) i.e.

<Esc>]DIAU<CR> is used to disable auto

connect.

<CR>

<CR> is the ASCII CR character (Hex ØD).

Some options are not immediately active, like

baud rate settings. Most other options are

immediately active, but the command Z2 must

be send to store the settings to non volatile

memory.

The following commands may be used to:

Command B sound a good read beep

Command E sound an error beep

Command G motor off

Command H motor on

Command L switch on good read LED

Command N switch on bad read LED

Command O switch on both LEDs

Command Y de-trigger the reader

Command Z trigger the reader

Command P disable the laser

Command Q enable the laser

The characters transmitted must be separated

by an intercharacter delay to allow the reader to

process each character received and to

execute the command string.

Configuring via OptiConfigure

OptiConfigure is the interactive Universal menu

book version. With OptiConfigure it is possible

to create your own personal setup sheet on-

line. OptiConfigure supports Opticon bar code

readers which can be configured with this

Universal menu book. In addition OptiConfigure

offers product specific and less often used

menu labels. Based on the product and

software version selected, OptiConfigure will

show these specific options.

OptiConfigure can be accessed via the Opticon

home page (www.opticon.com). From there

select the OptiConfigure button.

Fig. 0.03. Opticonfigure

Universal menu book on-line

bar code configuration and commands application

Set up your personal configuration

http://opticonfigure.opticon.com/

OPTICON Universal menu book

Defaults

OPTICON Universal menu book

1. DEFAULTS

This option allows you to undo all previously

configured options and bring the reader's

configuration back to factory default settings.

These factory default settings are printed in

bold.

Note that differences may occur depending on

the type of interface as will be mentioned in the

text.

Select only the correct default settings

corresponding to your hardware "defaults"

label.

The interfaces supported depend on the reader

model and software release.

Please consult your sales office for not listed

interfaces.

OPTICON Universal menu book

1. Defaults

SET _ZZ_

RS232 U2 _U2_

Serial TTL SS _SS_

AT we dge UB _UB_

USB-HID SU _SU_

USB-VCP C01 _C01_

Bluetooth-SPP SO _SO_

Bluetoooth-HID

IEEE 802.15.4-HID C02 _C02_

IEEE 802.15.4-VCP SM _SM_

END _ZZ_

Interface

OPTICON Universal menu book

2. INTERFACE

This chapter describes the configurable

transmission options for your reader. Some

options may not be relevant to the type of

reader you have. An attempt to configure the

reader for such options does not affect its

operation and usually results in the reader

producing an error tone, indicating you tried to

make an illegal configuration entry.

OPTICON Universal menu book

2.1. RS232 options

This paragraph describes the specific options

for a reader with an RS232 interface.

Bar code readers with an RS232 interface are

normally supplied with either a DB25 or DB9

female connector. Both connectors are fitted

with an external power connector. See figure

2.01 or 2.02.

Other connectors and/or connections are

available by special order.

Pin functions as seen from the bar code reader.

FG:

Frame Ground: This is normally connected to

the "chassis ground" at the host computer. In

the RS232 specification the use of FG is

optional.

TxD:

Transmitted Data: Transmits data from the

reader to the host. This connection is

mandatory.

RxD:

Received Data: Receives data from the host to

the reader. This connection is required if you

want to send commands to the bar code reader

or if software handshaking or

acknowledgement control is used.

RTS:

Request To Send: A general purpose output to

the host, used for hardware flow control. This

connection is optional.

CTS:

Clear To Send: A general purpose input to the

bar code reader, used for hardware flow

control. This connection is optional.

SG:

Signal Ground: Reference point for power

supply and interface signals. This connection is

mandatory.

TxD

RxD

RTS

CTS

TxD

RxD

RTS

CTS

SCANNER

HOST

DB25S

DB25P

Fig. 2.01. RS232 options DB25

TxD

RxD

TxD

RxD

SCANNER

HOST

DB9S

RTS

CTS

RTS

CTS

DB9P

Fig. 2.02. RS232 options DB9

Interface

OPTICON Universal menu book

2.1.1. Baud rate settings

The baud rate is the rate at which bits are

transmitted from the reader to the host, and

vice versa. Both the reader and the host should

be set to the same baud rate

SET _ZZ_

150 baud K0 _K0_

300 baud K1 _K1_

600 baud K2 _K2_

1200 baud K3 _K3_

2400 baud K4 _K4_

4800 baud K5 _K5_

9600 baud K6 _K6_

19200 baud K7 _K7_

38400 baud K8 _K8_

57600 baud K9 _K9_

115200 baud SZ _SZ_

END _ZZ_

OPTICON Universal menu book

U10

2.1.2. Data, parity and stop bits

The data characters may be transferred in one

of the following formats:

A parity bit may be added to every character so

that the total number of 1's in the data bits,

together with the parity bit, is odd for odd parity

or even for even parity. See figure 2.03.

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

START

7 Bit Data

8 Bit Data

2 STOP

STOP

PARITY STOP

PARITY 2 STOP

STOP

2 STOP

PARITY STOP

PARITY 2 STOP

Fig. 2.03. Data, parity, stop bits

SET _ZZ_

7 data bits L0 _L0_

8 data bits L1 _L1_

No parity L2 _L2_

Even parity L3 _L3_

Odd parity L4 _L4_

1 stop bit L5 _L5_

2 stop bits L6 _L6_

END _ZZ_

Interface

OPTICON Universal menu book

U11

2.1.3. Handshaking

Data flow control is available using either

hardware (Modem, Busy/Ready) or software

(XON/XOFF). In addition, an optional

acknowledgement control is available (ACK/

NAK with or without error response). Flow

control may be combined with

acknowledgement control. The RS232 voltage

levels employed by most readers for

transmission are either -10V (OFF) or +10V

(ON).

1. No handshake:

Does not employ any handshaking: data is

transmitted regardless of the control signals.

This option will undo any handshake and flow

control options selected.

2. Busy/ready:

The reader's RTS is ON as soon as the power

is supplied to the reader and will stay ON while

the reader can receive data from the host. The

host will keep the reader's CTS ON while it is

ready to receive data from the reader. While

CTS is ON the reader is able to transmit data.

The reader will abort transmission with an error

indication of the buzzer when the CTS is not

ON within a certain configurable period. The

reader may drop RTS to OFF during

transmission if it can not receive data

simultaneously. See figure 2.04.

3. Modem mode:

The reader's RTS is OFF as soon as power is

supplied to the reader. The reader will turn RTS

ON when it wants to transmit data to the host.

The host should respond by putting CTS ON

when it is ready to receive data. While CTS is

ON the reader is allowed to transmit data.

When all data has been transmitted, the reader

will turn RTS OFF. In response, the host should

turn OFF the reader's CTS. If, while RTS is ON,

the CTS line is not ON for a certain

configurable period, the reader will terminate

the transmission with an error indication of the

buzzer. See figure 2.05.

4. XON/XOFF:

The reader sends data until an XOFF (ASCII

DC3, Hex 13) character is received from the

host. Only when the reader receives an XON

(ASCII DC1, Hex 11) character, the reader

continues to send its data.

5. ACK/NAK:

After data has been transmitted, the reader

expects to receive one of the following

responses from the host:

Response: "ACK" (ASCII: Hex Ø6)

Action: The reader completes transmission with

the good-read buzzer.

Response: "NAK" (ASCII: Hex 15)

Action: The reader sends the data again.

Response: "DC1" (ASCII: Hex 11)

Action: The reader completes transmission

without a good-read or error buzzer.

RTS

CTS

TxD

OFF

Fig. 2.04. HandShaking

Busy/ready

RTS

CTS

TxD

OFF

Fig. 2.05. HandShaking

Modem mode

OPTICON Universal menu book

U12

Response: "None"

Action: If there is no response within one

second then the reader terminates

transmission with an error buzzer. See figure

2.06.

6. ACK/NAK no response:

The difference from the ACK/NAK mode is that

when no response from the host is received

within 100 ms, the reader assumes that the

data has been received correctly by the host.

Response: "ACK" (ASCII: Hex Ø6)

Action: The reader completes transmission with

the good-read buzzer.

Response: "NAK" (ASCII: Hex 15)

Action: The reader sends the data again.

Response: "DC1" (ASCII: Hex 11)

Action: The reader completes transmission

without a good-read or error buzzer.

Response: "None"

Action: If there is no response within 100 ms

then the reader terminates transmission with a

good read buzzer. See figure 2.07.

Transmit

data

Start 1 sec.

timer

Timer

ended

ERROR

Buzzer

Yes

Start of

transmission

Answer

received

Yes

Answer

= NAK

Answer

= ACK

Answer

= DC1

ERROR

Buzzer

GOOD READ

Buzzer

Yes

END

Fig. 2.06. HandShaking

ACK/NAK

Fig. 2.07. HandShaking

ACK/NAK no response

Transmit

data

Start 100 ms.

timer

Timer

ended

GOOD READ

Buzzer

Yes

Start of

transmission

Answer

received

Yes

Answer

= NAK

Answer

= ACK

Answer

= DC1

ERROR

Buzzer

GOOD READ

Buzzer

Yes

END

Interface

OPTICON Universal menu book

U13

2.1.3. Handshaking

SET _ZZ_

No handshake P0 _P0_

Busy/ready P1 _P1_

Modem P2 _P2_

XON/XOFF ZG _ZG_

ACK/NAK P3 _P3_

ACK/NAK NO

RESPONSE P4 _P4_

Flow Control time out

indefinitely I0 _I0_

Flow Control time out

100ms I1 _I1_

Flow Control time out

200ms I2 _I2_

Flow Control time out

400ms I3 _I3_

END _ZZ_

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