Practical_modern_SCADA_protocols_-_dnp3,_60870-5_and_Related_Systems

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480 Practical Modern SCADA Protocols: DNP3, 60870.5 and Related Systems Communication 2 Interpret the following data stream from the same 60870-5-101 system as communication 1. Assume a structured Information Object Address of 3 octets. 68 0B 0B 68 73 02 01 64 01 06 00 00 00 00 14 EF 16 E5 68 25 25 68 53 02 01 0B 05 14 01 01 00 05 12 00 00 01 00 01 74 0D 00 01 00 02 0B 00 00 02 00 02 01 00 00 03 00 02 00 00 00 AA 16 How many Messages are there? Explain the message sequence: For each message identify the following, as appropriate: Control byte: Function Code: Station Address: Type code: Variable Sequence Qualifier: Cause of Transmission: Common Address: Information Object Address(es) Data Values: Quality Descriptor (QDS )
Communication 1 Answer Appendix D: Practicals 481 Interpret the following 60870-5-101 format message, assuming Station address length (2), Common Address length (1) and an Information Object Address length of 3 octets. 68 11 11 68 73 01 00 67 01 06 00 00 00 00 55 69 10 0D 13 01 01 D2 16 How long is the message? 17 (0x11) What is the checksum? D2 What is the Control Byte? 73 Interpret the Control Byte: 01110011 Pri/Sec= Pri FCB=1 FCV=1 What does this mean? User data, Confirm ex- What is the Function Code? 03 pected What is the Station Address? 1 (0x0001) What is the Type Code and its meaning? 0x67 (103) = Clock Synchronisation Interpret the Variable Sequence Qualifier: 0x01 = One object What is the Cause of Transmission? 0x06 = Activation What is the Common Address? 00 What is the Information Object Address? 00 00 Interpret the meaning of the Information : CP56 Time Object (55 69 10 0D 13 01 01) 55 69 = 0x6955 milliseconds = 26.965 seconds 0x10 = 16 minutes 0x0D = 13 hours 0x13 = Day = 19 01 = Month = January 01 = Year assume 2001
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Practical Modern SCADA Protocols: D
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Practical Modern SCADA Protocols: D
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Contents Preface ..................
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Contents vii 12.6 Frame reception .
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Preface ix Chapter 3: Open SCADA pr
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1 Introduction Objectives When you
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Introduction 3 Figure 1.2 PC to IED
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Introduction 5 The interconnection
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Introduction 7 a number of sub-path
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Introduction 9 The Internet protoco
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Introduction 11 Outside the utiliti
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Fundamentals of SCADA communication
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Key features of SCADA software incl
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2.2.2 Control processor unit (or CP
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2.5.2 Multi-point architecture (Mul
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2.6 Communication philosophies Fund
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Pin 8 - Data carrier detect (DCD) F
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2.7.6 Synchronous communications 2.
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The two most common modes of operat
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2.8.3 Error control/flow control Fu
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3 Open SCADA protocols DNP3 and IEC
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3.2.2 DNP 3.0 and IEC 60870 protoco
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4.2 Interoperability and open stand
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Preview of DNP3 69 The DNP3 User Gr
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Preview of DNP3 71 The capability t
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5 Fundamentals of distributed netwo
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Fundamentals of distributed network
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5.3.6 Full-duplex procedures Fundam
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The message sequences are shown in
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These rules are illustrated in the
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Freeze functions are typically used
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6 Advanced considerations of distri
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Advanced considerations of distribu
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6.2 Interoperability between DNP3 d
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6.3.2 Data classes and events Advan
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Recommendations: 6.3.9 Multiple obj
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6.3.15 Time-tagged binary input eve
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Preview of IEC 60870-5 171 7.2 Stan
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Preview of IEC 60870-5 173 Under IE
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Preview of IEC 60870-5 175 over cor
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8 Fundamentals of IEC 60870-5 8.1 T
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Fundamentals of IEC 60870-5 179 8.1
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8.1.9 IEC 60870-5-101 1995 Fundamen
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Fundamentals of IEC 60870-5 183 pro
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Fundamentals of IEC 60870-5 185 MAS
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8.4 Data link layer Fundamentals of
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8.4.2 Order of information Fundamen
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8.4.5 Unbalanced and balanced trans
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Fundamentals of IEC 60870-5 193 Sta
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Station/link initialization, balanc
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Fundamentals of IEC 60870-5 197 The
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Fundamentals of IEC 60870-5 199 To
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Function codes from secondary stati
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Fundamentals of IEC 60870-5 203 is
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The following notes apply to these
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Fundamentals of IEC 60870-5 207 Typ
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Fundamentals of IEC 60870-5 211 Whe
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Fundamentals of IEC 60870-5 215 to
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Fundamentals of IEC 60870-5 217 Mas
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Fundamentals of IEC 60870-5 219 Qua
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Fundamentals of IEC 60870-5 221 Key
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Fundamentals of IEC 60870-5 223 SVA
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Fundamentals of IEC 60870-5 225 Key
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Fundamentals of IEC 60870-5 227 DCO
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8.6.4 Qualifier information element
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Key - QOC Qualifier of command QU Q
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Fundamentals of IEC 60870-5 233 SCQ
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Fundamentals of IEC 60870-5 235 LOF
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Fundamentals of IEC 60870-5 237 FBP
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Fundamentals of IEC 60870-5 239 In
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Fundamentals of IEC 60870-5 247 Val
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Type 11 Measured, scaled value Fund
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Type 20 Packed single-point with st
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Fundamentals of IEC 60870-5 259 Pro
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9.1.1 Station initialization Advanc
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9.1.2 Data acquisition Advanced con
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Advanced considerations of IEC 6087
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In Figure 9.4 the following time sy
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Basic application functions: 9.2.3
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10 Differences between DNP3 and IEC
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Data objects: Differences between D
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10.2 Which one will win? Difference
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Intelligent electronic devices (IED
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11.2.5 Communications Intelligent e
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Ethernet and TCP/IP networks 317 tr
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Ethernet and TCP/IP networks 319 Th
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Ethernet and TCP/IP networks 321 Fi
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12.2.5 10Broad36 12.2.6 1Base5 Ethe
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Ethernet and TCP/IP networks 325 si
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Ethernet and TCP/IP networks 327 As
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12.8.4 Length Ethernet and TCP/IP n
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Ethernet and TCP/IP networks 331 To
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12.11.8 Fast Ethernet Ethernet and
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12.12 TCP/IP Ethernet and TCP/IP ne
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Ethernet and TCP/IP networks 337
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Ethernet and TCP/IP networks 339 Fi
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Here follows a brief description of
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Unicast addresses Ethernet and TCP/
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The three common fields are: Ethern
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Ethernet and TCP/IP networks 347 Th
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13 Fieldbus and SCADA communication
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Fieldbus and SCADA communications s
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• Programmable logic controllers
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Three such ‘services’ are readi
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Figure 13.9 High speed Ethernet and
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14.2 UCA development UCA protocol 3
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14.3.1 Uniform communications infra
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UCA protocol 367 14.3.4 Uniform app
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14.3.5 Uniform data model UCA proto
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Figure 14.6 Device object model ove
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UCA protocol 373 An excellent refer
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Applications of DNP3 and SCADA prot
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PDS 500 Data Map Applications of DN
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16 Future developments Objectives W
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Appendix A Glossary 3GPP 10Base2 10
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Appendix A: Glossary 395 ATM Attenu
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Appendix A: Glossary 397 Capacitanc
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Appendix A: Glossary 399 Decibel (d
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Appendix A: Glossary 401 ESS Etherl
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Appendix A: Glossary 403 I/O addres
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Manchester encoding Appendix A: Glo
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Appendix A: Glossary 407 Packet PAD
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Appendix A: Glossary 409 RFI Ring R
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Appendix A: Glossary 411 TDMA TDR T
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Appendix A: Glossary 413 X.25 CCITT
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Appendix B: Implementers of DNP3 41
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Appendix B: Implementers of DNP3 41
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DNP3 device profile Appendix C: Sam
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Appendix C: Sample device profile d
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Page 445 and 446: Software setup Appendix D: Practica
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Page 517 and 518: Communication 2 05640DC405001A00637
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Page 531 and 532: Appendix D: Practicals 515 The next
Page 533 and 534: Packet Interpretation Practical App
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Page 537 and 538: Appendix D: Practicals 521 Communic
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Index 531 Carrier sense with multip
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Index 533 support for protocol, 310
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Index 535 process related, 220 bina
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Index 537 signal quality detector,
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