Rockwell-automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM Manual de usuario Pagina 237
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Valorado. / 5. Basado en revisión del cliente
Publication AG-UM008C-EN-P - February 2005
Configuring Logix Controllers 7-11
Minimum DF1 Half-Duplex Master ACK Timeout
The governing timeout parameter to configure for a DF1 Half-Duplex
Master is the ACK Timeout. The ACK Timeout is the amount of time
you want the controller to wait for an acknowledgment of its message
transmissions. Set in 20 millisecond intervals, the value is the amount
of time the master will wait for:
• an ACK to be returned by a slave when the master has just sent
it a message, or
• a poll response or message to be returned by a slave when the
master has just sent it a poll packet.
The timeout must be long enough that after the master has transmitted
the last character of the poll packet, there is enough time for a slave to
transmit (and the master receive) a maximum sized packet before the
time expires.
To calculate the minimum ACK timeout, you must know:
• the modem baud rate
• maximum sized data packet (the maximum number of data
words that a slave write command or read reply packet might
contain)
• the RTS/CTS or turnaround delay of the slave modem
• the configured RTS Send Delay in the slave
• the program scan time of the slave
- SCADA System 1
- Important User Information 2
- Summary of Changes 3
- Table of Contents 5
- Chapter 3 6
- Configuring MicroLogix 6
- 1100/1200/1500 Controllers 6
- Chapter 4 7
- 5/05 Processors 7
- Chapter 5 8
- Chapter 6 9
- Configuring MicroLogix 1000 9
- Chapter 7 9
- Chapter 8 10
- Configuring Modems 10
- Table of Contents 7 11
- Appendix E 13
- Sample Ladder Logic 13
- Glossary 14
- What SCADA Information 15
- Is Available? 15
- Audience 15
- Contents of this Manual 16
- Address Conventions 17
- Related Publications 18
- Designing Communication 19
- Choosing a Polling Mode 20
- Addressing Tips 24
- Communication Scheme 26
- Design Using 26
- Standard-Mode 26
- To help you understand See 27
- • design a polling scheme 28
- • plan for timing issues 28
- Design Considerations 31
- Message-Based Mode 33
- Protocol 34
- Figure 1.9 36
- DF1 Radio Communication 36
- Figure 1.10 36
- Data table 36
- What to Do Next? 37
- Configuring a DF1 41
- Half-Duplex Standard 41
- Mode Master Station 41
- 5 software: 42
- Create Station Lists 46
- of the station currently 47
- B11:2 1111 1111 1111 1111 48
- Message-based Mode 49
- (slave) station 13 65
- N15:0 file 66
- Ladder Rung 67
- Control Block 67
- Controllers 69
- Installing the Controller 70
- Optical Isolator 71
- Supplied Optical Isolator 72
- To modem 73
- Only) Selected 78
- Configuring a Station on a 101
- Point-to-Point Link 101
- DF1 Messaging 104
- Processor-to-Processor 105
- Message-based Polling Mode 106
- Standard Polling Mode 107
- Example MSG Control 110
- MicroLogix Controller 112
- Modbus RTU Protocol 114
- Modbus RTU Slave 115
- Modbus Slave Memory Map 119
- Modbus Commands 121
- Modbus Error Codes 122
- Configuring a Modbus Message 124
- This Controller Parameters 125
- Target Device 125
- Data Logging 126
- Example Queue 0 127
- Example Queue 5 128
- String Length of Record 129
- Number of Records 129
- Configuring Data Log Queues 130
- Data Log 132
- Data Logging Enable (EN) 133
- Data Logging Done (DN) 133
- Data Logging Overflow (OV) 133
- File Size (FSZ) 133
- Retrieving (Reading) Records 134
- Accessing the Retrieval File 135
- Retrieval Tools 135
- Conditions that Will Erase 137
- Processors 139
- Overview 140
- Installing the Processor 140
- Using Modems that Support 141
- DF1 Communication 141
- Protocols 141
- Radio Modems 142
- Line Drivers 142
- Modem Control Line 143
- Operation 143
- DF1 Half-Duplex Slave 144
- DF1 Half Duplex Master 144
- DF1 Radio Modem 145
- Configuring DF1 146
- Half-Duplex Channel 0 146
- Parameters 146
- ATTENTION 147
- Configuring a 148
- Standard-Mode DF1 148
- Half-Duplex Master Station 148
- 4800 2 ms/byte 152
- 9600 1 ms/byte 152
- 19200 0.5 ms/byte 152
- 4.3 on page 4-16 explains 154
- Monitor Active Stations 155
- Message-based Mode DF1 156
- Half-Duplex 156
- Master Station 156
- 158
- Configuring a Slave Station 160
- Configuring Channel 0 Poll 163
- Configuring a Radio Modem 165
- 4.10 on page 4-36 explains 173
- Messaging 175
- MSG being sent to a 182
- PLC-5 processor or a 182
- Logix controller 182
- MSG being sent to another 183
- SLC 500 or a MicroLogix 183
- Interface Modules 187
- Installing the 1747-KE 188
- Interface Module 188
- Configuring the Processor 189
- Save the Configuration 196
- For application See On page 199
- IMPORTANT 200
- Chapter Objectives 205
- 8-pin Mini Din 207
- 9-pin D-shell 207
- 1761-CBL-PM02 Series B Cable 207
- Automatic Protocol 208
- Switching 208
- Dial-up Phone Modems 210
- Leased-Line Modems 210
- Ownership Timeout 213
- Configuring RTS Send 215
- Delay and RTS Off Delay 215
- Configuring Poll Timeout 216
- Point-to-Point Station 217
- Polled Report-by-Exception 219
- Station 1 220
- Station 2 220
- ™ 5000 programming software 228
- 9-pin female cable connector 229
- Configuring the Controller 231
- Configuring a Master 235
- Station for Standard Polling 235
- DF1 Half-Duplex Master 239
- Diagnostic Counter 239
- Create Polling List(s) 241
- Message-Based Mode DF1 242
- Station for Message-based 243
- Polling Mode 243
- Configuring Slave Poll 246
- Diagnostic Counters 246
- DF1 Point-to-Point 250
- Accessing DF1 Diagnostic 251
- Counters 251
- Controller-to-Controller 255
- Logix Controller Error 264
- Codes for PLC and SLC 264
- Messages 264
- Configuration Tips 268
- Telephone Modem 268
- Configurations 268
- Rockwell Automation 269
- 8-4 Configuring Modems 270
- DATA-LINC Group 271
- LLM1000-2 and LLM1000-4 272
- Configuring Modems 8-7 273
- 8-8 Configuring Modems 274
- Configuring Modems 8-9 275
- DLM4100-SLC and DLM4100-PLC 276
- Miille Applied Research 277
- Company, Inc. (MARC) 277
- MARC Model 166-101 278
- Cable Pin Assignments 279
- MARC Model 137-001 280
- Switch Settings 281
- MARC Model 148-001 282
- MARC #148-001 283
- MARC Model 166-100 284
- MARC Model 166-010 286
- Radio Modem 287
- SRM6000/6100/6200E-SLC 291
- SRM6000/6100/6200E-PLC 293
- Electronic Systems 295
- Technology (ESTeem) 295
- (1) ESTeem cable # AA06 (6’) 298
- (1) A-B 1770-CP cable (16.5’) 299
- Power Line Modem 305
- Model : LCM100-2 306
- Serial Number: 306
- Half-Duplex Communications 307
- Configuring RSLinx Classic 316
- Version 2.x as a Slave 316
- Setting up the System 323
- Communicating Over the 324
- Telephone Line 324
- Figure 10.3 AWA Instruction 325
- Transfer Data 327
- Peer-to-Peer 328
- Communication 328
- Report-by-Exception and/or 329
- Master Station-Initiated 329
- Over a Telemetry Network 331
- Remote Programming via 332
- Gateway 332
- SLC 5/05 Ethernet to DF1 334
- Passthru 334
- Logix EtherNet/IP to DF1 337
- Modem Cable Reference 339
- Enhanced PLC-5 340
- 1747-KE Interface Module 341
- ASCII Terminal to 1747-KE 342
- SLC 5/03, 5/04, or 5/05 343
- Logix, and MicroLogix 1500 343
- Channel 1 343
- 1785-KE Module 344
- MicroLogix 345
- Appendix 347
- Appendix Objectives 347
- General Tips 347
- Troubleshooting 347
- DF1 Protocol 349
- DF1 Half-Duplex Protocol 350
- DF1 Full-Duplex Protocol 352
- DF1 Radio Modem Protocol 353
- Contact List 355
- Worksheets 357
- When You’re Finished 358
- How to Use the Worksheets 359
- Worksheet 1.1 360
- SCADA System Schematic 360
- Page 1 of 1 361
- Worksheet 2.3 363
- Enhanced PLC-5 DF1 363
- Half-Duplex Slave Station 363
- Configuration 363
- Worksheet 2.4 364
- Full-Duplex Point-to-Point 364
- Worksheet 3.3 367
- MicroLogix 1100/1200/1500 367
- Station Configuration 367
- Worksheet 3.5 369
- Radio Modem Slave Station 369
- Worksheet 4.3 372
- SLC 5/03, 5/04, and 5/05 DF1 372
- Worksheet 4.5 374
- Radio Modem Station 374
- Worksheet 6.1 377
- MicroLogix 1000 DF1 377
- Worksheet 7.3 380
- Logix DF1 Half-Duplex 380
- Slave Station Configuration 380
- D-26 Worksheets 382
- Master-initiated MSG 390
- Rungs 4-23 have been omitted 399
- Rungs 6-23 have been omitted 402
- 2 Glossary 406
- Glossary 3 407
- 4 Glossary 408
- Glossary 5 409
- 6 Glossary 410
- Numerics 411
- 2 Index 412
- Index 3 413
- 4 Index 414
- Index 5 415
- 6 Index 416
- Index 7 417
- 8 Index 418
- Index 9 419
- Installation Assistance 420
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