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SCADA MODEL SYSTEM COMPONENTS

SCADA MODEL SYSTEM COMPONENTS. NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY. SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI). RTU Remote Terminal Unit.

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SCADA MODEL SYSTEM COMPONENTS

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  1. SCADA MODEL SYSTEM COMPONENTS NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  2. RTU Remote Terminal Unit NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • What is a RTU? • Where does it fit in a SCADA System? • RTU components • Basic types of RTU modules SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  3. RTU Components NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Power supply • Back-up battery • Radio module • 4 – 15 I/O modules SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  4. RTU Modules NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Digital Modules – two I/O states • Digital Monitor Module (DMM) • Digital Control Module (DCM) • Pulse Accumulator Module (PAM) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  5. RTU Modules NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Support Modules – no I/O functions • Power Supply Module (PSM) • Radio Interface Module (RIM) • Computer Interface Module (CIM) • Bus Extender Module (BIM) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  6. RTU Modules NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Analog Modules – numerical control/monitor • Analog Monitor Module (AMM) • Analog Control Module (ACM) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  7. RTU Modules NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Controllers – Logical modules perform complete closed loop, automatic control functions • Pump Control Module (PCM) • Programmable Logic Controller (PLC) • Pump Control Unit (PCU) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  8. PLC Programmable Logic Controller NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • What is a PLC? • History of PLCs • Where does it fit in SCADA Systems? • PLC architecture SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  9. PLC Architecture NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY Inputdevices Datamemory Process actuators Control unit Outputdevices Programmemory Process sensors Programming module or PC SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  10. MTU Master Terminal Unit NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • What is a MTU? • Where does it fit in a SCADA System? • MTU components SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  11. MTU Components NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Operator • Personal Computer • Human Machine Interface (HMI) • Historical Datalogging • Monitoring • Limited Control SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  12. COMMUNICATION SYSTEMS NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • PSTN Network • Leased Lines • Internet • Wireless • LAN • Global System for Mobiles (GSM) • Radio modems SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  13. COMMUNICATION COMPONENTS NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • FieldBus • What is FieldBus? • History of FieldBus • Advantages • Topologies (Bus/Daisy Chain/Tree) • Where does it fit in a SCADA System? SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  14. FIELDBUS What it is? NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • It is a BUS. • A wire or set of wires connecting more than two devices • Replace existing 4-20 mA analogue signal • Serial Bus • Digital communication between devices SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  15. FIELDBUS History NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • 1940s pressure signals 3-15 psi • 1960s the 4-20 mA analogue signals • 1970s digital processors for centralized control. SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  16. FIELDBUS Advantages NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Reduces wiring • Online diagnostics out on individual field devices • Two-way communication between the field devices and the controllers • Deterministic – no collision and it is scheduled • It is getting widely used in process control SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  17. FIELDBUS TOPOLOGIES NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  18. FIELDBUS TOPOLOGIES NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  19. FIELDBUS TOPOLOGIES NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  20. FIELDBUS TOPOLOGIES NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  21. COMMUNICATION COMPONENTS NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Ethernet • What is Ethernet? • History of Ethernet • Non-deterministic • Topologies • Where does it fit in a SCADA System? SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  22. ETHERNET What it is? NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • Type of network cabling • It is a Local Area Network LAN • It is the Physical and the Data Link Layer SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  23. ETHERNET History NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • XEROX in the 1970’s • Network cabling and signaling • IEEE 802.3 standard SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  24. ETHERNET Topology NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY Thick Ethernet Segment – Bus Topology SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  25. ETHERNET Topology NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY Thin Ethernet Segment – Bus Topology SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  26. ETHERNET Topology NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY 10Base-T (also Fiber) – Star Topology SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  27. COMMUNICATION PROTOCOLS NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • User Datagram Protocol (UDP) • Modicon Bus (MODBUS) • Distributed Network Protocol (DNP 3.0) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  28. Protocol Defined NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY A set of conventions governing the treatment and expecially the formatting of data in an electronic communication system. (Merriam Webster 10th Ed.) SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  29. COMPARISON OF NON-PROPRIETARY SCADA PROTOCOLS

  30. Data Framing NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY Modbus Data Frame SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  31. Performance Characteristics NORWICH UNIVERISTY CENTER OF EXELLENCE IN DISTRIBUTED CONTROL SYSTEM SECURITY • SPEED  UDP • SECURITY  DNP 3.0 • FLEXIBILITY  DNP 3.0 • TEACHING CAPACITY? SCADA MODEL SYSTEM COMPONENETS (MATTHEW LESSARD, ILIA DORMISHEV, KRENAR KOMONI)

  32. CONCLUSION • Discussion/Questions

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