Rockwell-automation 2755 AtomScan Bar Code Reader Manuel d'utilisateur Page 23
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- Table des matières
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- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
3–3Designing Your Scanner System
Publication 2755-6.9
Bar code symbols must be in the correct position as they move by
the reader. The scan line must cross every bar, space, and both quiet
zones on the same sweep.
Correct:
All bars are
crossed by
scan line
Not Correct:
Some bars are not
crossed by scan
line
Picket Fence and Step Ladder Orientation
The primary orientation of the bar code symbol can be either picket
fence or step ladder. The orientation is not determined by the
horizontal or vertical position of the symbol itself but rather by the
direction of travel of the bar code past the reader. With picket fence,
the bars are perpendicular to the direction of travel and with step
ladder, the bars are parallel to the direction of travel.
Picket Fence
Step Ladder
Direction of Travel
Symbol Orientation
- AtomScan 1
- Code Readers 1
- Allen-Bradley 1
- Important User 2
- Information 2
- Table of Contents 3
- Configuring Your Reader 4
- Hardware Operation 4
- Table of Contents toc–iii 5
- Chapter Objectives 7
- Contents of this Manual 7
- Conventions Used in this 8
- Intended Audience 8
- Related Publications 8
- Introduction to AtomScan 9
- Procedures 10
- 3. Install the reader 11
- 4. Install the interface box 12
- 5. Install the power supply 12
- • baud rate = 9600 13
- • parity = even 13
- • stop bits = one 13
- • data bits = 7 13
- Hardware Features 16
- Interface Box Features 17
- Decoding 18
- Safety Information 19
- Scan Beam Options 20
- Accessories 20
- Designing Your Scanner System 21
- Symbol Height and Length 22
- Symbol Quality 22
- Symbol Orientation 23
- Direction 24
- Tilt, Pitch, and Skew 25
- Determining Read Range 26
- Calculating the Number of 29
- Picket Fence Calculation 30
- Installing Your Hardware 31
- Installing the System 32
- Hardware 32
- 4–4 Installing Your Hardware 34
- Mounting Surface 34
- Connecting System 35
- Hardware Together When 35
- Using an Interface Box 35
- Using an Interface Box in a 41
- Daisy-Chain Configuration 41
- 4–14 Installing Your Hardware 44
- Not Using an Interface Box 45
- 5–4 Configuring Your Reader 49
- [Control]. It 49
- [0] (zero) 49
- Communications Menu 50
- Host Protocol Parameters 51
- 5–7Configuring Your Reader 52
- Operations Menu 54
- 5–13Configuring Your Reader 58
- 5–14 Configuring Your Reader 59
- Code Types Menu 60
- 5–17Configuring Your Reader 62
- 5–18 Configuring Your Reader 63
- • Status 64
- Scanner Output Menu 65
- 5–22 Configuring Your Reader 67
- Scanner Setup Menu 68
- Serial Configuration 69
- Concatenating Serial Commands 70
- Serial Command Status Request 70
- Losing Communications 70
- Serial Configuration Commands 71
- Sserial command status,serial 72
- • Auxiliary Port 76
- • External Trigger Level 77
- • Match Code Type 77
- • New Master Pin 78
- • Narrow Margins 78
- • Bar Code Output 81
- • Beeper 82
- • Laser On/Off 82
- • Serial Verification 82
- Decode Test 84
- Adjusting Reader 84
- Parameters 84
- Scan Width 85
- Label Speed 85
- Status Commands 91
- Operating Scanner System 94
- • Postamble = CR (^M) 95
- • Postamble is enabled 95
- • transparent 96
- • non–buffered full-duplex 96
- • non-buffered half-duplex 96
- 6–14 Hardware Operation 99
- [<Zd>] (Restore/Save 99
- Reader RS-232RS-232 IB1 Host 99
- Publication 2755-6.9 100
- Operating the Power Supply 101
- Operating the Host Device 101
- Chapter 7 102
- Troubleshooting the 103
- Technical Support Services 104
- Specifications 105
- Reader Specifications 106
- Interface Box 107
- Power Supply 107
- Cable Pinouts 108
- Interface Box Pinouts 109
- Scanner Port 110
- RS-485/422 Port 110
- RS-232 Port 111
- ASCII Table 112
- Multidrop Communications 113
- Polling Sequence 115
- Select Sequence 116
- Application Examples 117
- Flexible Interface Module 119
- Application Examples E–5 121
- Module data 122
- SLC 5/03 and SLC 5/04 123
- Controllers 123
- SLC Program 126
- PLC-5 Controller 127
- PLC-5 controllers 128
- PLC-5 Controllers Setup 129
- DTAM Plus DeviceNet 130
- DeviceNet Operation 132
- Application Examples E–17 133
- European Union Directives 134
- Declaration of Conformity 135
- Glossary 136
- GlossaryG–2 137
- Glossary G–3 138
- GlossaryG–4 139
- Glossary G–5 140
- Worldwide representation 141
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