Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual de usuario Pagina 83
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71 Publication 1794-UM064B-EN-P - May 2014
Chapter
3
Connect Your Adapter to the PROFIBUS DP
Network
Overview
Read this chapter to install the input and output analog modules.
The DP Physical Layer
The PROFIBUS network media is a balanced transmission line corresponding to
the standard EIA RS-485, terminated at both ends. Both line A and line B types
are available, depending on your system requirements.
Specifications and guidelines for DP media:
• linear bus, terminated at both ends
• drop cables (preferably no longer than .30 m), no branches
• shielded twisted pair
• max. line length between 100 and 1200 m (depending on baudrate and
cable type)
•number of stations: 32
• DP baudrates: 9.6, 19.2, 93.75, 187.5, 500 Kbit/s, 1.5 Mbit/s, 12 MBd
Use the following table to determine what line type will best meet your needs.
For Information On Page
The DP Physical Layer
71
Cabling and Equipment Required for Line A Type
72
Cabling and Equipment Required for Line B Type
73
Connect the Adapter to the Network
74
Terminate the Network
76
Line Type Characteristics
Characteristic Bus Segments and Drop Cables
(1)
Line A Requirements
(2)
Line B Requirements Total Capacity of
all Drop Cables
Impedance 135…165 Ω (3-29 MHz) 100…130 Ω (f> 100 kHz)
Capacity < 30 pF/m < 60 pF/m
Resistance < 110 Ω/km –
Wire Gauge > 0.64 mm > 0.53 mm
Conductor Area > 0.34 mm > 0.22 mm
- User Manual 1
- Important User Information 2
- Summary of Changes 3
- Chapter 1 4
- Table of Contents 5
- Table of Contents vii 7
- Who Should Use this 9
- Purpose of this Manual 9
- Related Documentation 10
- Common Techniques Used 11
- APBDPV1 Module 13
- Purpose of the FLEX I/O 14
- PROFIBUS 14
- APBDPV1 Adapter 14
- Differences Between APB 14
- PROFIBUS APBDPV1 15
- Adapter Components 15
- Mount and Remove 16
- Your System 16
- Optional Accessories 17
- Mounting Kit (1794-NM1) 18
- Mounting Dimensions and 19
- Spacing Requirements 19
- Communicate With Your Module 21
- Polled I/O Structure 22
- Input Status Word Bits 23
- I/O Module Fault 23
- Map Data into the Image 24
- FT for all 27
- Channels 27
- Chx SS Config 35
- 1794-IE4XOE2 Memory Map 37
- 1794-IR8 Memory Map 40
- 1794-IT8 Read and Write Words 44
- 1794-IT8 Word/Bit Description 46
- Setting the Input Filter 56
- Configure Your Input Channels 66
- Setting the Input Filters 67
- calibration 70
- Read Word 9 76
- 3210765411 10 9 815 14 13 12 79
- 32 10765411 10 9 815 79
- 14 13 12 79
- Defaults 80
- The DP Physical Layer 83
- Cabling and Equipment 84
- Required for Line A Type 84
- Required for Line B Type 85
- Connect the Adapter to the 86
- D-Shell Pin Assignment 87
- Terminate the Network 88
- Communication 91
- Enter User Parameter Data 92
- Auto Configure Format 93
- Condensed Format 93
- User Parameter Example 95
- Full Format 96
- Enter Check Configuration 98
- Adapter Status Word 99
- Chapter Summary 101
- PROFIBUS Module 103
- View status from the 104
- Master’s Configuration 104
- Software 104
- Apply FLEX I/O Modules 107
- Classification 108
- Define the Area 108
- Select Protection 109
- Method(s) 109
- Match Field Devices 109
- Module source voltage=17V 110
- Module sense 110
- Specifications 113
- Environmental Specifications 114
- Certifications 114
- 104 Specifications 116
- Device Data Base (GSD) File 117
- EndModule 118
- Teaching GSD Entry 119
- Non-EDT Module Teaching Entry 120
- I/O Profile: 121
- EDT Modules Teaching Entry 124
- Teach an I/O Module to 127
- Work with 1794-APBDPV1 127
- Appendix 134
- Overview 134
- Message Structure 134
- Burst Mode (not supported) 135
- Start Character 136
- HART Address 136
- HART Command 136
- Byte Count 137
- Check Byte 137
- Response Code 137
- HART Field Device Error Codes 138
- Universal Commands 139
- Common Practice Commands 140
- Numerics 148
- 2 Index 149
- Index 3 150
- 4 Index 151
- Rockwell Automation Support 153
- Documentation Feedback 153
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