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223 Publication 1747-UM011F-EN-P - May 2007
Appendix
D
Setting Up the DH+ Network
This appendix provides an overview of the Data Highway Plus (DH+)
communication protocol and explains how the SLC 5/04 processors
support it. This appendix also provides:
• a DH+ communication protocol overview.
• an SLC 5/04 processor and DH+ communication.
• wiring connectors for DH+ communication for SLC 5/04.
• a typical DH+ network configuration.
Data Highway Plus
Communication Protocol
Overview
Data Highway Plus implements peer-to-peer communication with a
token-passing scheme to rotate link mastership among a maximum of
64 nodes. Since this method does not require polling, it helps provide
time-efficient reliable data transport. The DH+ features:
• remote programming of PLC-2, PLC-3, PLC-5 and SLC 500
processors on your network.
• direct connections to PLC-5 processors and industrial
programming terminals.
• easy re-configuration and expansion if you want to add more
nodes later.
• a communication rate of 57.6 Kbaud, 115.2 Kbaud, or
230.4 Kbaud.
The following table summarizes the type of termination resistor
needed to communicate at the specified communication rate with the
maximum cable length.
Termination Resistor and Communication Link
Termination Link Resistor
Value
Ω
Communication Rate
(Kbaud)
Maximum Cable Length
m (ft)
150 57.6 3048 (10,000)
150 115 1542 (5000)
82 230.4 762 (2500)
- SLC 500 Modular 1
- Hardware Style 1
- Important User Information 2
- Summary of Changes 3
- 4 Summary of Changes 4
- Table of Contents 5
- 6 Table of Contents 6
- Table of Contents 7 7
- 8 Table of Contents 8
- Table of Contents 9 9
- 10 Table of Contents 10
- Table of Contents 11 11
- Glossary 12
- Who Should Use This 13
- Purpose of This Manual 13
- Additional Resources 14
- Common Techniques Used 15
- 16 Preface 16
- Required Tools and 18
- Equipment 18
- Procedures 18
- Chapter 6 20
- (Installing Your 20
- Hardware Components) 20
- Hardware 22
- Components) 22
- Chapter 10 27
- (Troubleshooting) 27
- European Union Directive 30
- Compliance 30
- Overview of Your Modular 31
- Selecting Modular 33
- Physical Connection Options 34
- Protocol Options 35
- Selecting Discrete I/O 38
- Selecting Specialty I/O 38
- Selecting Power Supplies 38
- 0 40
- 0 1 40
- Selecting Enclosures 42
- Selecting Operator 42
- Interfaces 42
- Terminal 43
- Selecting a Memory 44
- Module for the SLC 5/01 and 44
- SLC 5/02 Processors 44
- Module for SLC 5/03 45
- SLC 5/04, and SLC 5/05 45
- EEPROM Burning Options 46
- valid combination 47
- Selecting Isolation 48
- Transformers 48
- Special Considerations 49
- Selecting Surge Suppressors 50
- Selecting Contact Protection 52
- Transient Pulse 54
- System Overview 58
- Typical Installation 60
- Spacing Your Controller 60
- Preventing Excessive Heat 62
- Grounding Guidelines 63
- Ground Connection Paths 65
- Master Control Relay 68
- Emergency-Stop Switches 69
- Power Considerations 70
- Loss of Power Source 72
- Input States on Power Down 72
- Safety Considerations 74
- Preventive Maintenance 75
- Mounting Modular 77
- Hardware Style Units 77
- Front View Right Side View 80
- (inches) 80
- SLC 5/01 Processor 83
- Hardware Features 83
- CPU FAULT 84
- FORCED I/O 84
- BATTERY LOW 84
- SLC 5/03 Processor 88
- SLC 5/03 CPU 89
- SLC 5/04 Processor 91
- SLC 5/05 CPU 95
- Keyswitch for the 97
- 5/05 Processors 97
- REM Position 98
- Compliance to European 99
- Union Directives 99
- Install Your Chassis 100
- ATTENTION 101
- Installing Your Processor 103
- Install Modules 104
- Install Your Memory 105
- Install Your Power Supply 106
- 1.2 Nm (11 lb-in) 107
- IMPORTANT 109
- Interconnect Cable 110
- Chassis Connections 111
- Wiring Your I/O Modules 113
- Solid-State dc I/O Circuits 114
- Preparing Your Wiring 116
- Recommendations for 117
- Wiring I/O Devices 117
- Features of an I/O Module 118
- Wiring Your I/O Module 118
- Octal Label Kit Installation 119
- Using the Removable 121
- Terminal Block (RTB) 121
- Install the RTB 122
- Procedures for Starting the 123
- Control System 123
- 1. Inspect Your Installation 124
- 2. Disconnect 124
- Motion-Causing Device 124
- 3. Initialize and Test Your 125
- Processor 125
- 4. Test Your Inputs 127
- 5. Test Your Outputs 128
- SOURCE B3:"XX" 129
- Output Troubleshooting Steps 130
- 6. Enter and Test Your 131
- 7. Observe Control Motion 133
- 8. Conduct a Dry Run 134
- Handling and Storing 135
- Battery, Catalog Number 135
- Transporting 136
- Disposal 137
- Install and Replace the 138
- Battery of the SLC 5/01 or 138
- SLC 5/02 Processor 138
- Replace Your SLC 5/03, SLC 139
- 5/04, or SLC 5/05 Battery 139
- Replacing Retainer Clips on 140
- Replace a Fuse on the 141
- Power Supply 141
- 3-Pin Jumper 142
- Troubleshooting 143
- Tips for Troubleshooting 144
- Your Control System 144
- Troubleshooting the 145
- SLC 5/01 and SLC 5/02 145
- Processors 145
- 146 Troubleshooting 146
- Troubleshooting 147 147
- 148 Troubleshooting 148
- Troubleshooting 149 149
- 150 Troubleshooting 150
- SLC 5/03, SLC 5/04, and 151
- SLC 5/05 Processors 151
- 152 Troubleshooting 152
- Troubleshooting 153 153
- 154 Troubleshooting 154
- Troubleshooting 155 155
- 156 Troubleshooting 156
- Communication Errors 157
- 158 Troubleshooting 158
- Troubleshooting 159 159
- 160 Troubleshooting 160
- Identifying Processor 161
- Errors while Downloading 161
- 162 Troubleshooting 162
- Initial Factory Conditions 163
- Troubleshooting Your Input 165
- 166 Troubleshooting 166
- Troubleshooting Your 167
- Output Modules 167
- 168 Troubleshooting 168
- Troubleshooting 169 169
- 170 Troubleshooting 170
- Replacement Parts 171
- Cable Connectivity Summary 172
- Replacement Terminal Blocks 173
- Other Replacement Hardware 173
- 174 Replacement Parts 174
- Replacement Parts 175 175
- 176 Replacement Parts 176
- Specifications 177
- Processor General 178
- 180 Specifications 180
- Specifications 181 181
- 182 Specifications 182
- Setting Up the DH-485 Network 183
- DH-485 Network Protocol 184
- DH-485 Token Rotation 184
- DH-485 Network 184
- Initialization 184
- Devices that Use the 185
- 1747-AIC Isolated Link 186
- Coupler for DH-485 186
- 1747-UIC USB to DH-485 187
- Interface Converter 187
- Peripheral 188
- Example System 189
- Configuration 189
- DH485 Protocol 190
- Important Planning 191
- Considerations 191
- Planning Cable Routes 192
- Software Considerations 193
- Maximum Node Address Setting 194
- Installing the DH-485 195
- Incorrect 196
- Single Cable Connection 197
- Multiple Cable Connection 197
- End-of-line Termination 198
- DH-485 LINK COUPLER 200
- LISTED IND. CONT. EQ 200
- FOR HAZ. LOC. A196 200
- Appendix 203
- RS-232 and SCADA 203
- Applications 203
- RS-232 Communication 203
- Interface Overview 203
- SLC 5/03, SLC 5/04, and SLC 204
- 5/05 processors and RS-232 204
- Communication 204
- SLC 500 Devices that 205
- Support RS-232 205
- DF1 Protocol and the SLC 206
- 5/03, SLC 5/04, and SLC 5/05 206
- Full-duplex (Point-to-Point) 207
- DF1 Half-duplex Protocol 207
- Using the DF1 Radio Modem 209
- Channel O Configuration 210
- ASCII Communication 212
- DF1 Communication 212
- Protocol Modems Overview 212
- Types of RS-232 Connectors 213
- DTE Pinout 213
- DCE Pinout 214
- Disabled) 218
- DF1 Full-duplex Peer-to-peer 221
- Setting Up the DH+ Network 223
- SLC 5/04 Processors and 224
- DH+ Communication 224
- SLC 5/04 CPU 225
- Wiring Connectors for DH+ 226
- Communication for SLC 5/04 226
- Minimizing Noise 227
- Typical DH+ Network 228
- Power Supply Worksheet 231
- Blank Worksheet 234
- Control Networks 235
- Remote I/O Passthru 236
- DeviceNet Network 237
- DeviceNet Network Length 239
- ControlNet Network 240
- SLC 5/05 Processors and 241
- Ethernet Communication 241
- SLC 5/05 Performance 242
- SLC 5/05 Processor and 243
- Personal Computer 243
- Connections to the Ethernet 243
- Ethernet Connections 244
- Configuring the Ethernet 245
- Channel on the SLC 5/05 245
- Configuration Using 246
- RSLogix 500 Programming 246
- Software 246
- Configuration Via BOOTP 246
- Using DCHP Software To 249
- Configure Your Processor 249
- Using Subnet Masks and 250
- Gateways 250
- SLC 5/05 Processor 252
- Embedded Web Server 252
- Capability 252
- Module Information 253
- Diagnostic Information 254
- Data Table Memory Map 255
- Data Table Monitor 256
- User Provided Pages 257
- <!ABCDM-xx> 260
- Sample Extended Format 263
- Example Heat Dissipation 271
- Calculation 271
- Example Worksheet 272
- 276 Glossary 276
- Glossary 277 277
- 278 Glossary 278
- Glossary 279 279
- 280 Glossary 280
- Glossary 281 281
- 282 Glossary 282
- Glossary 283 283
- 284 Glossary 284
- Glossary 285 285
- 286 Glossary 286
- Glossary 287 287
- 288 Glossary 288
- Glossary 289 289
- 290 Glossary 290
- Numerics 291
- 292 Index 292
- Index 293 293
- 294 Index 294
- Index 295 295
- 296 Index 296
- Index 297 297
- 298 Index 298
- Index 299 299
- Rockwell Automation 300
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