Rockwell Automation 1784-KTS User Manual Page 162
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Publication CNET-UM001C-EN-P - November 2005
B-14 ControlNet Overview
Number of Nodes
Each ControlNet network supports up to 99 nodes. Logix5000 controllers
support multiple ControlNet networks, giving you the flexibility to add more
nodes to your ControlNet network, or to boost performance.
Distances
In a ControlNet network, the maximum distance depends on the number of
nodes on a segment; a segment is a section of trunk between 2 terminators.
Use repeaters to add more segments or gain more distance.
Use this figure to determine whether repeaters are required.
30014-M
Maximum Allowable Segment Length = 1000m (3280ft) - 16.3m (53.4ft) X [Number of Taps - 2]
Segment Length m (ft)
1000 (3280)
750 (2460)
500 (1640)
250 (820)
2163248
No Repeater
Required
Add a Repeater
Note: This graph assumes 1786-RG6 usage.
- ControlNet Modules 1
- Important User Information 2
- Summary of Changes 3
- Introduction 3
- New and Revised 3
- Information 3
- Summary of Changes 2 4
- Purpose of This Manual 5
- Who Should Use 5
- This Manual 5
- Information This 6
- Manuals Contains 6
- Related Documentation 7
- Preface 4 8
- Table of Contents 9
- Table of Contents 2 10
- Table of Contents 3 11
- Table of Contents 4 12
- Appendix D 13
- Table of Contents 6 14
- Communication Modules 15
- 1756-CN2, 1756-CN2R 17
- Overview 17
- 1756-CNB, 1756-CNBR 18
- 1769-L32C, 1769-L35CR 18
- 1784-PCC Overview 19
- 1784-PCIC, 1784-PCICS 19
- 1784-PKTCS Overview 19
- 1788-CNF, 1788-CNFR 20
- 1794-ACN15, 1794-ACNR15 20
- 1797-ACNR15 Overview 21
- 1734-ACNR Overview 21
- Use the ControlNet 22
- Communication Modules in 22
- Bridge Across Networks 23
- Connect a Computer to the 27
- ControlNet Network 27
- Connect a Computer to Any 28
- Configure the ControlNet 29
- Communication Driver 29
- Connect a SoftLogix 31
- Controller to ControlNet 31
- Configure a ControlNet Module 33
- Set Up Your Computer to 34
- Connect to ControlNet 34
- Use RSLogix 5000 Software 34
- Add a Local ControlNet Module 35
- ATTENTION 38
- Communication Format 41
- Use RSNetWorx for 44
- ControlNet Software 44
- Schedule the Network Offline 45
- 10. Save the file 50
- Schedule the Network Online 51
- Been Scheduled 55
- Control I/O 57
- Set Up the Hardware 58
- Set a Requested 58
- Packet Interval 58
- Select a 59
- 4-4 Control I/O 60
- Control I/O 4-5 61
- Ownership 64
- Control I/O 4-9 65
- Add Local and Remote 66
- Add Distributed I/O 67
- Access Distributed I/O 69
- This Address Variable Is 70
- SlotNumber 1 70
- Type Configuration 70
- MemberName Filter_0 70
- 4-16 Control I/O 72
- Validate Connections 73
- 3. Identify the fault code 74
- 4-20 Control I/O 76
- Produce and Consume Tags 77
- (Interlock Controllers) 77
- Determine Connections for 79
- Produced and Consumed 79
- Organize Tags for Produced 81
- Adjust for Bandwidth 82
- Limitations 82
- Produce a Tag 83
- Consume a Tag 85
- 5. Access the tag properties 86
- Additional Steps for a 88
- PLC-5C or ControlNet 88
- Scanner Card 88
- Peer-to-Peer Messaging 95
- Guidelines for MSG 98
- Instructions 98
- Messages 99
- Enter Message Logic 100
- Configure a Message 101
- Instruction 101
- 4. Click OK 104
- Path = 1, 1, 2, 1 105
- Communicate with PLC-5 or 106
- SLC 500 Processors 106
- Map Tags 108
- Stagger the Messages 110
- Route PLC-5 Messages 110
- Between ControlNet 110
- Networks 110
- Route a ControlNet Message 111
- 6. Press Insert to add a hop 112
- 7. Configure the new hop 112
- RSView Products 113
- Determine Connections to 114
- PanelView Terminals 114
- Add a PanelView Terminal 115
- B.Click OK 116
- Organize Controller Data 118
- RSView Applications 119
- Use This Chapter 121
- 1756-CN2 and 1756-CN2R 122
- ControlNet Communication 122
- Modules 122
- 1756-CNB and 1756-CNBR 126
- 1769-L32C and 1769-L35CR 131
- CompactLogix Controllers 131
- Interpret Status Indicators 132
- Module Status (MS) indicator 133
- 1784-PCIC, 1784-PCICS and 135
- 1784-PKTCS ControlNet 135
- PCI Cards 135
- 1788-CNC, 1788-CNCR 137
- 1788-CNF and 1788-CNFR 137
- ControlNet Daughtercards 137
- IMPORTANT 138
- I/O status indicators 139
- 1794-ACN15 and 141
- 1794-ACNR15 ControlNet 141
- FLEX I/O Adapters 141
- 1797-ACNR15 ControlNet 143
- FLEX Ex Redundant Media 143
- I/O Adapter 143
- Appendix 145
- Use This Appendix 145
- ControlNet Connections 145
- Connected Messaging Limits 146
- Unconnected Messaging Limits 147
- ControlNet Overview 149
- Exchange Information 150
- Network Update Time (NUT) 152
- Actual Packet Interval (API) 153
- Schedule the Network 154
- Control of Scheduled I/O 155
- Understand the Network Keeper 156
- A.Click Network 157
- B.Click Keeper Status 157
- Default Parameters 158
- ControlNet Capacity 159
- Number of Nodes 162
- Distances 162
- Determine Your ControlNet 163
- Media Requirements 163
- Design a ControlNet Media 164
- ControlNet Media Components 165
- Determine How Many Taps 166
- You Need 166
- Connect Programming 167
- Determine What Type of 168
- Cable You Need 168
- Determine Trunk 169
- Cable Section 169
- 5.99 db/1000 ft at 10 MHz 171
- Determine if You 172
- Need Repeaters 172
- Determine How 173
- Many Trunk Terminators 173
- Install Repeaters In Series 174
- Figure C.6 175
- Determine What Type 177
- Use Redundant Media 179
- Trunk Cable B = 181
- Application Considerations 182
- General Wiring Guidelines 183
- Ferrite Beads 184
- Wire Inside Enclosures 184
- Surge Suppression 184
- Order Components 185
- How to Use This Procedure 187
- Add the Local 1756-CN2(R) 188
- Add the 1771-ACN(R)15 188
- Read or Write Data To or 190
- From a Block Transfer 190
- Module Via a Message 190
- Configure the Message 191
- Address I/O 194
- Numerics 197
- 2 Index 198
- Index 3 199
- 4 Index 200
- How Are We Doing? 201
- BUSINESS REPLY MAIL 202
- Rockwell Automation 204
- User Manu 205
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