Allen-Bradley 2755 Bedienungsanleitung PDF herunterladen (Seite 68)

Troubleshooting and Maintenance 6–3

Use the 7 LED indicators to isolate operating problems.

Figure 6.1

LED Indicators

On Symbol

Condition Indication

Yellow Bar code symbol is being scanned and decoded.

Flashing Bar code symbol is being read at less than 100% rate.

Off Not reading bar code symbol.

Trigger/Read

Condition Indication

Yellow Decoder trigger is active.

Green Valid bar code symbol read.

Off No trigger or valid bar code symbol read.

I/O 1 and I/O 2

Condition Indication

Yellow Corresponding input or output is in an On (closed contact) state.

Off Corresponding input or output is in Off (open contact) state.

cators

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 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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