Allen-Bradley 2-D Manual do Utilizador descarregar pdf (Página 60)

Configuring the Scanner 4–13

Publication 2755-6.4

Decode Attempt Duration

Sets the maximum time decode processing continues during a scan

attempt. You set the duration in .1 second increments from 0.1 to 9.9

seconds. The recommended interval is between 1.0 and 5.0 seconds.

The default is 5.0 seconds. A longer interval is appropriate for

PDF417 symbols that are hard to decode.

The duration is set by scanning a two digit number. For example, to

set the interval to 6.0 seconds, scan the labels:

– Decode Attempt Duration

– 6 (under Pause Duration)

– 0 (Under Pause Duration)

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 133 134

2-D Hand-Held 1
Bar Code 1
Scanners 1
Important User Information 2
• identify a hazard 2
• avoid the hazard 2
• recognize the consequences 2
Table of Contents 3
Table of Contentstoc–ii 4
Table of Contentstoc–iv 6
Table of Contentstoc–vi 8
• intended audience 9
• contents of this manual 9
• related publications 9
• laser warning symbol 9
Intended Audience 9
Contents of this Manual 10
Related Publications 11
Laser Warning Symbol 11
Scanner Features 12
1–2 Scanner Features 13
Cable Connector 13
LED Indicators 14
Safety Labels 15
Smart Raster 16
Scanning Options 17
Scanner Features 1–7 18
Scanning Ranges 19
• 1-D bar codes 19
• 2-D bar codes 19
Read Ranges 20
1-D Bar Codes 20
2-D Bar Codes (PDF417) 21
2-D Bar Codes 21
Accessories 22
• 8 ft. / 2.44 meter 22
1–12 Scanner Features 23
• (Catalog No. 2755-HFN-K3) 24
• (Catalog No. 2755-HTN-H1) 24
Connecting the Scanner 25
Overview 26
• RS-232 Synapse cable 26
Scanner Cable Connection 27
• IBM PC/AT 32
• IBM PC/XT and compatibles 32
• IBM PS/2-30 32
Scanner to PLC Connection 37
Scanner to SLC Connection 38
Operating the Scanner 39
Scanning 2-D Bar Codes 41
• Press the trigger 41
Specular Reflection 44
Dead Zone 45
Beeper Indications 46
This Response Indicates 47
Configuring the Scanner 48
Scanner Default Settings 49
4–4 Configuring the Scanner 51
Code 39 Options 52
UPC / EAN Options 53
UPC / EAN Options (Continued) 54
• system character only 54
• no preamble 54
Code Lengths 55
Configuring the Scanner 4–9 56
– Scan This Symbol First 57
– <Prefix><Data> 57
Decode Options 59
– Pause Duration 59
– 0 (under Pause Duration) 59
– 5 (Under Pause Duration) 59
– Decode Attempt Duration 60
– 6 (under Pause Duration) 60
– 0 (Under Pause Duration) 60
Communication Setup (Synapse 62
• Catalog No. 2755-HFC-SR2-01 63
• Catalog No. 2755-HFC-SR3-01 63
• RTS State Low (default) 66
• RTS State High 66
• Catalog No. 2755-HFC-SP1-01 70
• Catalog No. 2755-HFC-SP2-01 70
Settings 70
• Medium 50 msec delay 72
• Long 99 msec delay 72
• Catalog No. 2755-HFC-SV2-01 74
Synapse Cable Options 77
• Catalog No. 2755-HFC-SV1-01 77
• DEC VT 220/320 (default) 77
• DEC VT420 77
• Catalog No. 2755-HFC-SA1-01 80
Chapter 6 85
Troubleshooting the Scanner 86
Cleaning the Scan Window 88
A-B Technical Support 88
Specifications 89
Mechanical 90
Environmental 90
Laser Certifications 90
Agency Certifications 90
Scanner Pinout Connections 91
ASCII Chart 92
Undefined 94
ALT Key Values 95
Miscellaneous Key Values 95
Numeric Key Values 96
Extended Keyapd Key Values 96
AIM Code Identifiers 97
Advanced Data Formatting 99
Publication 2755-6.4 100
Advanced Data Formatting E–3 101
E–4 Advanced Data Formatting 102
Criteria 103
E–6 Advanced Data Formatting 104
Advanced Data Formatting E–7 105
ADF Formatting Example 106
Entering Rules bar code 107
E–10 Advanced Data Formatting 108
Advanced Data Formatting E–11 109
• Third Rule 110
• Second Rule 110
• First Rule 110
Default Rules 111
European Union Directives 113
F–2 European Union Directives 114
Glossary 115
G–2 Glossary 116
Glossary G–3 117
G–4 Glossary 118
Glossary G–5 119
G–6 Glossary 120
Glossary G–7 121
G–8 Glossary 122
Glossary G–9 123
G–10 Glossary 124
Glossary G–11 125
G–12 Glossary 126
Glossary G–13 127
G–14 Glossary 128
Worldwide representation 134

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