Session 17 1

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Session 17 1

  1. 1. Reducing Operation Costs Through SCADA System Modernization RMSAWWA/RMWEA 2002 ANNUAL CONFERENCE
  2. 2. Agenda • Left Hand Water District Overview • SCADA Definition • SCADA Modernization Planning • Implementation • Economic Advantages • Questions
  3. 3. Left Hand Water District
  4. 4. SCADA Defined What is SCADA? • One Supervisory Controller (Master) • Multiple Sub-Controllers (Slaves) • Possible Sub-Master Controllers • Supervisory Control And Data Acquisition
  5. 5. SCADA System Architecture Water Tank Pump Station Slave PLC Slave PLC Control Valve Master PLC Water Treatment Plant Slave PLC Pump Station Network, Fiber Optic, or Phone Line Operator Workstation Printer Slave PLC Sub-Master PLC Slave PLC Filter Control
  6. 6. SCADA Modernization Planning • Graphical Representation of Entire System • Continuous Information at Operator Workstations • Automatic Control • Remote Control • Alarming/Paging • Trending/Reporting • Easily Expandable GOALS
  7. 7. Implementation Hardware • Programmable Logic Controllers (PLC’s) - Standardized on Allen-Bradley SLC and Micrologix controllers
  8. 8. Implementation Hardware • Programmable Logic Controllers (PLC’s) - Standardized on Allen-Bradley SLC and Micrologix controllers • MAS/MDS radios and modems for Radio Communication
  9. 9. Implementation Hardware • Programmable Logic Controllers (PLC’s) - Standardized on Allen-Bradley SLC and Micrologix controllers • MAS/MDS radios and modems for Radio Communication • Mille Research modems for Phone Line Communication
  10. 10. Implementation Software • Standardized on Rockwell Software • RSLogix for programming • RSLinx for communications • RSView for Operator Interface • RSMessenger for Alarm Paging • LapLink Software allows connection to operator workstation from a remote computer through a dial-up modem
  11. 11. Implementation Expandable and Flexible • System must be easily expandable • Implement additional sites without plant shutdown • Allow for additional I/O and control philosophy changes • System must be flexible • Allow for a variety of communication interfaces • Allow for a variety of instrumentation
  12. 12. Economic Advantages • Implementation of “On-Call” shifts
  13. 13. Economic Advantages • Implementation of “On-Call” shifts • Reduced Operator Travel Time
  14. 14. Economic Advantages • Implementation of “On-Call” shifts • Reduced Operator Travel Time • Greater Speed, Accuracy, and efficiency
  15. 15. Economic Advantages • Implementation of “On-Call” shifts • Reduced Operator Travel Time • Greater Speed, Accuracy, and efficiency • Increased Reliability
  16. 16. Economic Advantages • Implementation of “On-Call” shifts • Reduced Operator Travel Time • Greater Speed, Accuracy, and efficiency • Increased Reliability • Reduced Maintenance
  17. 17. Economic Advantages • Implementation of “On-Call” shifts • Reduced Operator Travel Time • Greater Speed, Accuracy, and efficiency • Increased Reliability • Reduced Maintenance • Safety and Security
  18. 18. Questions Tom Haensel, P.E., Burns & McDonnell Engineerng, Inc. Jan Toniazzo, Treatment Operator, Left Hand Water District THANK YOU!

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