1. RMSAWWA/RMWEA 2002 ANNUAL CONFERENCE
Reducing Operation Costs Through SCADA System Modernization Tom Haensel, P.E., Burns & McDonnell Engineerng, Inc. Jan Toniazzo, Treatment Operator, Left Hand Water District

2. Agenda Left Hand Water District Overview SCADA Definition
SCADA Modernization Planning
Implementation
Economic Advantages
Questions

3. Left Hand Water District

4. SCADA Defined What is SCADA? Supervisory Control And Data Acquisition
One Supervisory Controller (Master)
Multiple Sub-Controllers (Slaves)
Possible Sub-Master Controllers

5. SCADA System Architecture
Water Treatment Plant
Master PLC
Slave
PLC
Sub-Master
PLC
Control Valve
Network, Fiber Optic, or Phone Line
Slave
PLC
Slave
PLC
Slave
PLC
Slave
PLC
Pump Station
Filter Control
Water Tank
Pump Station
Printer
Operator
Workstation

6. SCADA Modernization Planning
GOALS
Graphical Representation of Entire System
Continuous Information at Operator Workstations
Automatic Control
Remote Control
Alarming/Paging
Trending/Reporting
Easily Expandable

7. Implementation Hardware
Programmable Logic Controllers (PLC’s) - Standardized on Allen-Bradley SLC and Micrologix controllers

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. 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. 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. 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. Economic Advantages
Implementation of “On-Call” shifts

13. Economic Advantages Implementation of “On-Call” shifts
Reduced Operator Travel Time

14. Economic Advantages Implementation of “On-Call” shifts
Reduced Operator Travel Time
Greater Speed, Accuracy, and efficiency

15. Economic Advantages Implementation of “On-Call” shifts
Reduced Operator Travel Time
Greater Speed, Accuracy, and efficiency
Increased Reliability

16. Economic Advantages Implementation of “On-Call” shifts
Reduced Operator Travel Time
Greater Speed, Accuracy, and efficiency
Increased Reliability
Reduced Maintenance

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. Questions
THANK YOU!
Tom Haensel, P.E., Burns & McDonnell Engineerng, Inc. Jan Toniazzo, Treatment Operator, Left Hand Water District