Practical_modern_SCADA_protocols_-_dnp3,_60870-5_and_Related_Systems

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466 Practical Modern SCADA Protocols: DNP3, 60870.5 and Related Systems Variable length messages Variable length messages LPCI APDU LPCI S L L S C A A CS E 1. ASDU Hex example 6 1 1 6 7 0 0 67 01 06 00 00 00 00 55 69 10 0D 13 D2 8 1 1 8 3 1 0 01 01 LPDU S Start character – always 0x68 in variable length messages L Length character which specifies the length in octets (bytes) of the ASDU+C+A+A L Repeat of previous S Repeat of previous C Link control character A 16 bit Outstation address, LSB first – this example is 0x0001 CS Checksum, a single byte accumulation of ASDU+C+A+A Control Field: Interpret using details in Chapter 9.4.4.1 (Page 218 onwards) ASDU Structure: 1 6 ASDU Data Unit Identifier Information Object 1 Type ID Variable Structure Qualifier Cause of Transmission Common Address of ASDU Information Object Address Information Elements Time Tag Information Object For each Information Object Type (Type ID) the sequence of bytes, Variable Structure Qualifier, Causes of Transmission, Information Object Addresses and the Information Elements are described as shown in the following examples:
3.1.1.1.1 Appendix D: Practicals 467 3.1.1.1.2 Examples of Various Type Codes 3.1.1.1.3 Type 1 INFORMATION OBJECT TYPE: 1 CODE: M_SP_NA_1 DESCRIPTION: Single point information without time tag VALID WITH SQ: 0, 1 Information Object for SQ = 0 (Sequence of Information Objects) Information Object Address IV NT SB BL SP SIQ I Information Object for SQ = 1 (Sequence of Information Elements) Information Object Address 1 IV NT SB BL SP SIQ, Information Element 1 I ….. Information Object Address N IV NT SB BL SP SIQ, Information Element N I Valid Cause of Transmission Codes Background scan Spontaneous Requested Return of information caused by remote command Return of information caused by local command Interrogated by station interrogation Interrogated by group G interrogation, G= Notes SIQ – Single-point information with quality descriptor.
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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
Page 431 and 432: Appendix B: Implementers of DNP3 41
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Page 435 and 436: DNP3 device profile Appendix C: Sam
Page 437 and 438: Appendix C: Sample device profile d
Page 445 and 446: Software setup Appendix D: Practica
Page 447 and 448: Appendix D: Practicals 431 1. Set u
Page 449 and 450: Objectives • To show how a basic
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Page 453 and 454: Appendix D: Practicals 437 Click on
Page 457 and 458: Appendix D: Practicals 441 Now rese
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Page 465 and 466: IMPORTANT NOTICE: Appendix D: Pract
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Page 469 and 470: Appendix D: Practicals 453 PRACTICA
Page 471 and 472: Click on the Diags button and the f
Page 473 and 474: Appendix D: Practicals 457 The scre
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Page 477 and 478: Appendix D: Practicals 461 Problem
Page 479 and 480: Network Loading Assumptions Item Da
Page 481: 2. IEC 60870-5-101 Packet Analysis
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Page 487 and 488: 3.1.1.1.7 Type 14 INFORMATION OBJEC
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Page 491 and 492: Appendix D: Practicals 475 QDS Qual
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Page 495 and 496: 3.1.1.1.11 Communication 1 Appendix
Page 497 and 498: Communication 1 Answer Appendix D:
Page 499 and 500: CITECT PRACTICAL For Citect Version
Page 501 and 502: Appendix D: Practicals 485 Next cli
Page 503 and 504: Appendix D: Practicals 487 (3) Defi
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Page 507 and 508: Appendix D: Practicals 491 (4) Crea
Page 509 and 510: Appendix D: Practicals 493 Use the
Page 513 and 514: Appendix D: Practicals 497 When fin
Page 515 and 516: Appendix D: Practicals 499 What is
Page 517 and 518: Communication 2 05640DC405001A00637
Page 519 and 520: 05640DC405001A006378C6C601010200003
Page 521 and 522: Appendix D: Practicals 505 What are
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Page 527 and 528: Appendix D: Practicals 511 At fist
Page 529 and 530: Appendix D: Practicals 513 Then rem
Page 531 and 532: Appendix D: Practicals 515 The next
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Packet Interpretation Practical App
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056408C40300A200EA80C5C5171E4405641
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Appendix D: Practicals 521 Communic
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05640DC405001A006378C6C601010200003
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Appendix D: Practicals 525 What is
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01 01 01 01 01 01 01 crc:BB crc:C3
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Appendix D: Practicals 529 Read Dat
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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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