Datalogic QuickScan i QD2100 Manuale di installazione e funzionamento

QuickScan

QD2100 Barcode Imager

Product Reference Guide

Configuring the Interface

Product Reference Guide

KEYBOARD FEATURES

AT, PS/2 25-286, 30-286, 50, 50Z, 60, 70, 80, 90 & 95

w/Standard Key Encoding

Select KBD-AT

Set KEYBOARD

WEDGE

Interface

Features

starting on page

Select KBD-AT-NK

Keyboard Wedge for IBM AT PS2 with standard key

encoding but without external keyboard

AT, PS/2 25-286, 30-286, 50, 50Z, 60, 70, 80, 90 & 95

w/Alternate Key

Select KBD-AT-ALT

Select KBD-AT-ALT-NK

Keyboard Wedge for IBM AT PS2 with alternate key

encoding but without external keyboard

PC/XT w/Standard Key Encoding

Select KBD-XT

Select KBD-IBM-3153

Keyboard Wedge for IBM Terminal 3153

Product Reference Guide 41

Chapter 5

RS-232 ONLY Interface

Introduction

Use the programming barcodes in this chapter if modifications to the standard RS-232

interface settings are necessary to meet your system’s requirements. Additional settings

which apply to both the RS-232 and USB interfaces are available in Chapter 6, RS-232/

USB-Com Interfaces.

RS-232 Standard Factory Settings

Reference Appendix B, Standard Defaults for a listing of standard factory settings.

Baud Rate

Baud rate is the number of bits of data transmitted per second. Set the reader's baud rate

to match the baud rate setting of the host device. With an improper baud rate setting,

data may not reach the host correctly.

ENTER/EXIT PROGRAMMING MODE

Baud Rate = 1200

Baud Rate = 2400

Baud Rate = 4800

RS-232 ONLY Interface

42 QuickScan® QD2100

Baud Rate — continued

ENTER/EXIT PROGRAMMING MODE

Baud Rate = 9600

Baud Rate = 19,200

Baud Rate = 38,400

Baud Rate = 57,600

Baud Rate = 115,200

DEFAULT

Data Bits

Product Reference Guide

Data Bits

This parameter allows the reader to interface with devices requiring a 7-bit or 8-bit

ASCII protocol for sending and receiving data.

ENTER/EXIT PROGRAMMING MODE

7 Data Bits

8 Data Bits

DEFAULT

RS-232 ONLY Interface

44 QuickScan® QD2100

Stop Bits

The stop bit(s) at the end of each transmitted character marks the end of transmission of

one character and prepares the receiving device for the next character in the serial data

stream. The number of stop bits selected (one or two) depends on the number the receiv-

ing terminal is programmed to accommodate. Set the number of stop bits to match host

device requirements.

ENTER/EXIT PROGRAMMING MODE

1 Stop Bit

2 Stop Bits

DEFAULT

Parity

Product Reference Guide

Parity

This feature specifies parity required for sending and receiving data. A parity check bit is

the most significant bit of each ASCII coded character. Select the parity type according

to host device requirements.

• Select None when no parity bit is required.

• Select Odd parity and the parity bit value is set to 0 or 1, based on data, to ensure that an

odd number of 1 bits are contained in the coded character.

• Select Even parity and the parity bit value is set to 0 or 1, based on data, to ensure that an

even number of 1 bits are contained in the coded character.

ENTER/EXIT PROGRAMMING MODE

Parity = None

Parity = Even

Parity = Odd

DEFAULT

RS-232 ONLY Interface

46 QuickScan® QD2100

Handshaking Control

The data interface consists of an RS-232 port designed to operate either with or without

the hardware handshaking lines, Request to Send (RTS), and Clear to Send (CTS). Hand-

shaking Control includes the following options:

• RTS — RTS is asserted during transmissions. CTS is ignored.

• RTS/CTS — RTS is asserted during transmissions. CTS gates transmissions.

• RTS/XON/XOFF — RTS is asserted during transmissions. CTS is ignored. XON and

XOFF gate transmissions.

• RTS On/CTS — RTS is always asserted. CTS gates transmissions.

• RTS/CTS Scan Control — RTS is asserted during transmissions. CTS gates transmis-

sions and controls enable and disable state of scanner.

ENTER/EXIT PROGRAMMING MODE

Handshaking Control = RTS

Handshaking Control = RTS/CTS

Handshaking Control = RTS/XON/XOFF

Handshaking Control = RTS On/CTS

Handshaking Control = RTS/CTS Scan Control

DEFAULT

Product Reference Guide 47

Chapter 6

RS-232/USB-Com Interfaces

Introduction

The programming barcodes in this chapter allow modifications to the standard RS-232

and USB-Com interfaces.

Standard Factory Settings

Reference Appendix B, Standard Defaults for a listing of standard factory settings.

RS-232/USB-Com Interfaces

48 QuickScan® QD2100

Intercharacter Delay

This parameter specifies the intercharacter delay between the end of one character and the

beginning of the next. The delay can be set within a range of zero (0) to 990 milliseconds

in 10ms increments. A setting of zero specifies no delay.

To set the delay:

1. Determine the desired setting in milliseconds.

2. Divide the desired setting by 10 (setting is in 10ms increments). Pad the result with lead-

ing zeroes to yield two digits. For example: 0 = 00, 5 = 05, 20 = 20, etc.

3. Scan the ENTER/EXIT PROGRAMMING MODE barcode to enter Programming

Mode.

4. Scan the barcode: SELECT INTERCHARACTER DELAY SETTING.

5. Scan the appropriate two digits from the keypad in Appendix E, Keypad, that represent

the duration which was determined in the steps above. You will hear a two-beep indica-

tion after the last character.

6. Scan the ENTER/EXIT PROGRAMMING MODE barcode to exit Programming

Mode.

This completes the procedure. See Table 7 for some examples of how to set this feature.

Table 7. Intercharacter Delay Setting Examples

NOTE

If you make a mistake before the last character, scan the CANCEL barcode to

abort and not save the entry string. You can then start again at the beginning.

STEP ACTION EXAMPLES

1 Desired Setting 50ms 150ms 600ms 850ms

2Divide by 10 (and pad with leading

zeroes to yield two-digits) 05 15 60 85

3 Scan ENTER/EXIT PROGRAMMING MODE

4 Scan SELECT INTERCHARACTER DELAY SETTING

5Scan Two Characters From

Appendix E, Keypad ‘0’ and ‘5’ ‘5’ and ‘0’ 0’ and ‘0’ ‘8’ and ‘5’

6 Scan ENTER/EXIT PROGRAMMING MODE

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