Allen-Bradley 2755 Manuale Utente Scaricare il pdf (Pagina 13)

Overview 1–5

The flexibility of the Reader allows you to configure it for a variety

of applications. This section shows the basic system types.

Standalone

In a typical standalone setup, a single Reader scans bar codes on the

side of a package moving down a conveyor.

➀

➁

➂

➃

➄

The package crosses the beam between the package detector ➀ and

reflector

➁. The Reader ➂ scans and decodes bar code symbols on

the package. You can configure the decoder with match table data.

When decoded data is matched, the Reader turns on an output

module (in wiring base

➃) to control the operation of a diverter ➄

that directs the package to a location.

Typical Applications

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 95 96

AdaptaScan 1
Bar Code 1
Allen-Bradley 1
Important User Information 2
Installing the Wiring Base 4
Chapter 4 5
Chapter 5 5
Chapter 6 5
Specifications 6
DIN Rail Mount 6
Terminal Blocks 6
European Union Directive 6
Compliance 6
Using this Manual 7
 9
Typical System 10
Scan Window 11
Configuration Port Connector 11
Typical Applications 13
Overview 1–6 14
Controller 14
Overview 1–7 15
Scanning Modes 16
Wiring Base 17
Communication Options 19
RS-422 / RS-485 20
Protocols 21
(Catalog No. 2755-ASN) 22
Scanning Parameters 23
Focus Options 23
• Manual 23
• Preset 23
• AutoFocus 23
Decoding Operations 24
System Monitoring 24
Online Adjustments 24
Safety Labels 25
Ordering Information 26
Installation Considerations 27
Scan Beam 29
Scan Angle = 72 30
58 = Default 30
Scan Angle = 50 31
40 = Default 31
Scan Angle = 30 31
24 = Default 31
Apparent 32
Reader Adjustments 33
Read Ranges 34
Calculating 35
Scans per Label 35
Dimensions 37
Reader / Base Assembly 38
Mounting the 39
Bottom Mounting 40
Wiring Base Dust Cover 40
Conduit and Cable 41
Connections 41
Hole Plugs 42
Mounting Bracket 43
Top Post Mounting 44
Side Post Mounting 45
Installing the Safety Wire 46
Ground Screw 49
Line Termination 51
Output Module Application 55
Input Module Application 56
Detector 57
Installing / Removing the 59
Power-up Sequence 60
Checking Reader 60
Operation 60
Replacing a Reader 61
Downloading Configurations 62
Downloading Firmware 64
Downloading 65
Troubleshooting and 66
Maintenance 66
On Symbol 68
Trigger/Read 68
I/O 1 and I/O 2 68
Laser On 69
Appendix 73
Output Modules 74
Input Modules 74
Certifications 75
Glossary 79
GlossaryG–2 80
Glossary G–3 81
GlossaryG–4 82
Glossary G–5 83
GlossaryG–6 84
Glossary G–7 85
GlossaryG–8 86
Glossary G–9 87
GlossaryG–10 88
Glossary G–11 89
X dimension 90
IndexIndex 91
IndexI–2 92
Index I–3 93
0 0 0 1 2 3 4 5 6 7 8 9 0 5 95
9 00 38200 11413 8 95
Worldwide representation 96

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Allen-Bradley 2755 Manuale Utente Pagina 13

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