Introduction to SCADA Solutions

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BCWWA conference

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Technology Transfer Session Introduction to SCADA Solutions : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Technology Transfer Session Introduction to SCADA Solutions Presented by: Dan Ehrenreich Motorola

Why SCADA is Needed : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Why SCADA is Needed Information on true field conditions Reduce the needs for field travel Faster indication on field problems Higher reliability of supply Lower cost maintenance Higher customer satisfaction Reduce risk Today SCADA is a Must Have Solution

Basic Water SCADA Applications : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Basic Water SCADA Applications More Reliable Water Supply Optimal level of water in reservoirs Optimized pressure helps minimize losses Smartly operating the pumps Automatic selection of booster pumps Based on their efficiency, and rate of pumping Short pump operation during high tariffs Reducing Cost of Maintenance Eliminating excessive pressures Minimizing new bursts in pipes

Remote Water Site Control : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Remote Water Site Control

SCADA System Components : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater SCADA System Components SCADA Host Human Machine Interface (HMI) Data Communication Network Communication Interface Solution Remote Terminal Units (RTU) Field status and measurement Field Installations Local control panel at remote site Operator Terminal Local monitoring at remote sites

Basic SCADA System Structure : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Basic SCADA System Structure SCADA HMI Versatile Interface PLC Local Control SCADA Modem RTU Local Control Comm. Interface RTU Local Control Progr. Tool Local Conn Progr. Tool Local Conn Data Terminal Local Display

Human Machine Interface (HMI) : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Human Machine Interface (HMI) This is the Hart of the System Operator receives information via the HMI System functions are initiated via the HMI Architecture of the HMI Single PC up to Hierarchical PC Network Warm or Hot Standby to assure reliability RTU communication Performed via an Interface box Polling of RTUs or receiving report by Events

HMI Features : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater HMI Features High tier Management Information and Finance Planning and Engineering Mid tier Control Systems Real time network management Multiple station HMI Historical Data analysis Low tier Control System Remote monitoring and Control Single station HMI Trending data acquisition, Alarm management

Human Machine Interface : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Human Machine Interface

SCADA HMI Provides: : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater SCADA HMI Provides: Monitoring of Parameters and Status Pressures, Flow, Levels Pump Operation status Power consumption Control of remote sites Pump operation Dynamic pressure control Historical data collection and analysis Trending on past demand and parameters Fault events

Must Have Communication Features : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Must Have Communication Features Data Reliability Reliable, on time, to the right destination undelivered messages generate alarms Alternate routing assure data reliability Data Security Can not be captured nor analyzed Non genuine messages are rejected Network Communication Single or multiple type medium From anywhere to anywhere

Data Communication Network : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Data Communication Network Communicating is the main issue Wireless (licensed or non-licensed) Physical (public or Private) Public backbone Public Cellular networks Possible Architecture Point to point Point to Multipoint Network structure Mesh Network Communication from Anywhere to anywhere

Data Communication Network : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Data Communication Network

Remote Terminal Units : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Remote Terminal Units Reliable and Secure Very Low Failure rate Secure and Reliable messages Expandable and Upgradeable Provides platform for growth and enhancement Modular concept allows simple modifications Versatile Architecture Makes it Competitive Suits a range of communication media Friendly to Operate and Maintain Remote programming configuration and diagnostics

PLC’s versus RTU’s : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater PLC’s versus RTU’s PLC Characteristics Best for Process control Built for hard wiring Hot swap modules Standard PLC Programming Using various protocols PLC’s for SCADA Polling based communications Indoor operating environment Point to point communication Data security RTU Characteristics Communication Oriented Protected I/O for outdoor Wide operation temperature Using vendor specific tools Wide operating temperature RTU’s for SCADA Report by event reporting Network reliability Data security Communication node

Remote Terminal Units : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Remote Terminal Units

Local Operator Terminals : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Local Operator Terminals Connects to field RTU’s What can I do with this unit? Store site drawings on the terminal Field Parameter monitoring Local Parameter setting Color Graphical display Built for harsh installations Operations friendly

Operator Terminals : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Operator Terminals Variety of Models for each installation

Enhanced SCADA Functions : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Enhanced SCADA Functions Dynamic Pressure Control Helps to optimizing and reduce UFO (WHAT IS UFO???) Pump Efficiency Monitoring - Monitor the pump health and detect faults Power Consumption Reduction Optimizing the operation and reduce energy use Water Leak Detection Detect bursts and minor constant leakage Trending and Analysis Collecting data to be ready with supply capacity Integration of SCADA with IMS Allows for smart planning and cost-effective operation

Real Situation in urban water network : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Real Situation in urban water network

Where our Water goes / disappears? : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Where our Water goes / disappears?

Condition without Pressure Control : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Condition without Pressure Control Picture above shows actual measured values Picture below shows the illustration of the situation without control

Dynamic Pressure Control : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Dynamic Pressure Control

Dynamic Pressure Control : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Dynamic Pressure Control

Pressure Reduction Valves : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Pressure Reduction Valves Using Regulative Hydraulic Valves Monitoring the pressures and Flow Allow pressure reduction via remote control Preset-able to 2 or 3 pressure levels Integrated with remote control 2-3 analog inputs 2-4 relay outputs 4-8 status Inputs Installation Unique program for Solar panel operation

Benefits achieved with PRV : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Benefits achieved with PRV Pressure Reduction Matching of the pressure to desired level Electric Power cost reductions Pipe Breaks occurrence reduction Minimizing cost of maintenance Extending the life of pipes and network accessories Differed investments for expansion Optimizing Network Operation Boosting the Supply reliability Optimal matching between demand and pipeline type Power Consumption Reduction

Pump Efficiency Monitoring 1/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Pump Efficiency Monitoring 1/2

Pump Efficiency Monitoring 2/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Pump Efficiency Monitoring 2/2 Description of the process 1. The flow meter monitors the supplied water 2. The power meter monitors the pump’s consumption 3. The RTU calculates the pumping efficiency Result: Action taken by the SCADA system Action taken by the Operator Switching to other pump Send out a technician Scheduling of maintenance Other, as per consideration

Power Consumption Reduction 1/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Power Consumption Reduction 1/2

Power Consumption Reduction 2/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Power Consumption Reduction 2/2 SCADA helps to reduce energy costs: Maintain optimal level of water in reservoirs Automatic selection of booster pumps (based on their efficiency, and forecasted needs). Minimizes the power consumption during high tariff periods. Operation of the water treatment plants per demand and updated forecasts. Smartly operating the equipment when preferable tariffs are available. Regulation of pressures in pipes and levels in reservoirs reduces the costs.

Water Leak Detection : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Water Leak Detection SCADA helps to monitor flow: Automatically, during low consumption periods (early mornings: 02:00 - 05:00). During specific pre-programmed days (weekends, last month of the year, etc.). Calculates “In / Out” water quantities for specific sections of the pipeline Filling and emptying rates of reservoirs SCADA helps to handle pipe bursts: Locate and isolate damaged sections Assist to quickly restore the supply

Flow Monitoring and Pressure Control : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Flow Monitoring and Pressure Control Solar panel Operation

Trending and Analysis 1/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Trending and Analysis 1/2

Trending and Analysis 2/2 : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Trending and Analysis 2/2 Water Supply Parameters Expected need for Water supply Water level variation in reservoirs Pressure Levels along pipelines Energy consumption during the examined period Water quality analysis Resultant Actions Adjusted set points Reservoir filling at low tariff hours of elect. power Pressure adjustment in order minimizing UFO Pressure reduction to save water (if needed)

Integration of SCADA with Information Management System IMS : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Integration of SCADA with Information Management System IMS Engineering Information related to periodic maintenance Historical data Helps to perform more accurate planning Information on park irrigation supply Information on supplied quantities Finance department Perform calculations on operating costs Management - supports long term strategic investments

Summary of SCADA Benefits : 

April 30, 2008 SCADA/IT Technology Transfer Session SCADA 101 for Water & Wastewater Summary of SCADA Benefits Operating benefits Fewer water outages More convenient handling of the system Public satisfaction Better use of skilled people Financial benefits: Long term saving on maintenance Savings on travel time and costs Operating cost savings Better planned investments