Allen-Bradley 2755 Manual de usuario descargar pdf (Pagina 38)

Installing the Wiring Base and Power Supply 3–3

Wiring Base

The wiring base is available in two versions:

• U.S. Version (Catalog No. 2755-NB40)

• Metric Version (Catalog No. 2755-NB41)

The dimensions are identical for both versions. Differences are in

the thread sizes of the conduit holes and the bottom mounting holes.

Front View End View

Bottom View

3.87 Inches

(98 mm)

1.67 Inches

(42 mm)

5.36 Inches

(137 mm)

3.87 Inches

(98 mm)

5.36 Inches

(137 mm)

1.67 Inches

(42 mm)

Reader / Base Assembly

Side View

Front View

5.82 Inches

(148 mm)

Read Range

Measured From This Point

3.65 Inches

(91 mm)

Scan Line at 0 Raster Angle

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 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 Manual de usuario Pagina 38

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