rep re pedrotti co
TRANSCRIPT
REP R.E. Pedrotti Co.
Treatment Plant SCADA & Treatment Plant SCADA & InstrumentationInstrumentation
Water and Wastewater Operator’s School
August 5, 2010
Marc Pedrotti, P.E.
REP R.E. Pedrotti Co.
R. E. Pedrotti Company, Inc.R. E. Pedrotti Company, Inc.
Celebrating 34 Years in Water & Wastewater IndustryManufacture’s RepresentativeSystem Integrator
REP R.E. Pedrotti Co.
Overview Overview
Basics of SCADA– Understanding the Alphabet Soup– System Components– Communication Methods
Developing a System– Define Level of Control– Control Networks– Future SCADA
REP R.E. Pedrotti Co.
Alphabet SoupAlphabet Soup
SCADAHMII/OPLCDCSRTU
GUICMMSCPU
REP R.E. Pedrotti Co.
SCADASCADASupervisoryControlAndDataAcquisition
REP R.E. Pedrotti Co.
PProgrammable rogrammable LLogic ogic CControllerontroller
Power Supply
CommunicationCardsI/OCPU
REP R.E. Pedrotti Co.
RRemote emote TTerminal erminal UUnitnit
REP R.E. Pedrotti Co.
Simple Discrete ControlSimple Discrete Control
Motor Starter
24VDC Output Pulses from the PLC
Level Switches
Logic
REP R.E. Pedrotti Co.
20mA Signal Input
24VDC Input Pulsesinto the PLC
Motor Starter
24VDC Output Pulses from the PLC
Analog toDigital
Digital to Analog
Analog Control
Analog Level
Sensor
REP R.E. Pedrotti Co.
Pump 1 RunPump 2 Run
High Level AlarmFloat Switch (Sump)Intrusion Alarm
Pump 1 Start
Pump 2 Start
WetwellLevel
CR 1
CR 2
REP R.E. Pedrotti Co.
ProgrammingDevice
Input/OutputSystem
OutputDevices
InputDevices
UserProgram
Data Storage
OutputTable
InputTable
Introduction to Control
REP R.E. Pedrotti Co.
SCADA Components SCADA Components
HMI (Human Machine Interface)OIT (Operator Interface Terminal)PC (Personal Computer)CPU (Central Processing Unit)Instrumentation
InstrumentationInstrumentation
PressureFlowLevelDissolved OxygenGas DetectionChlorine MonitorsTurbiditypHTemperature
TSSNitratesPhosphate BODAmmoniaTOCChemical Security
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
PPersonal ersonal CComputer andomputer andServersServers
Computer– Size– Back-Up– CD Rom (RW) – DVD– Monitor– Redundant– Modem (Remote Access)
REP R.E. Pedrotti Co.
(OIT) Operator Interface (OIT) Operator Interface TerminalTerminal
REP R.E. Pedrotti Co.
HMI SoftwareHMI Software
WonderwareIntellutionRS ViewFoxboro I/AFactory Link
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
HEADWORKS BUILDING
Grit Removal
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
Alarm DialerAlarm Dialer
REP R.E. Pedrotti Co.
CComputerized omputerized MMaintenance aintenance MManagement anagement SSoftwareoftware
REP R.E. Pedrotti Co.
Work OrderWork Order
REP R.E. Pedrotti Co.
ReportsReports
This report shows you everything that has happened to a piece of equipment.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
System LayoutSystem Layout
MasterCity Hall
LS 2
LS 3
LS 1
LS 5
Pump St.LS 4
WWTP 1
WWTP 2
REP R.E. Pedrotti Co.
Remote DataConcentrator
with Local HMI
&Plant Control
RT
U 2
0
RT
U 2
0
RT
U 2
0
RT
U 2
0
Fiber Optic Cable
RTU 40
Radio
Radio
Dedicated lines
RT
U 2
0
RT
U 2
0
PLC
PLC
LeasedTelephone lines
SCADAMasterStation
Main Treatment Plant
Plant 1
Plant 2
Plant 3
Plant 4
WANINTERNET
WiMaxCellularMaster RTU
RTU COMMUNICATIONSRTU COMMUNICATIONS
Satellite
REP R.E. Pedrotti Co.
Wastewater Treatment
Wastewater Treatment Plant Overview
REP R.E. Pedrotti Co.
Desired Control & StatusDesired Control & Status
Start/Stop Pump Control & StatusOpen/Close Valve Control & StatusFlow MonitoringWetwell LevelDischarge/Suction PressureVFD Speed Control & Status Intrusion Alarm
REP R.E. Pedrotti Co.
Control Network
I/O Network
ControlProcessorOperator
Workstation
DeviceIntegrator
Digital Field Link
3rd Party Devices:PLC’s ModbusRTU’s ProfibusPower Plant ScalesVFD’s Analyzers
etc
Intelligent & Conventional Field Devices
TodayToday’’s SCADA Systems SCADA System
EngineeringWorkstation
I/O Modules
REP R.E. Pedrotti Co.
Control Network
I/O Network
ControlProcessorOperator
Workstation
DeviceIntegrator
Digital Field Link
3rd Party Devices:PLC’s ModbusRTU’s ProfibusPower Plant ScalesVFD’s Analyzers
etc
Intelligent & Conventional Field Devices
Information Network
Computers,Workstations,X-Terminals,PC’s etc
TomorrowTomorrow’’s SCADA Systems SCADA System
EngineeringWorkstation
I/O Modules
TodayToday’’ss
REP R.E. Pedrotti Co.
Control Network
ControlProcessorOperator
Workstation
DeviceIntegrator
Digital Field Link
SMART MCC’sSMART BUS INSTRUMENTATIONWIRELESS INSTRUMENTATIONWEB BROWSER HMIREMOTE DATA BASE
Intelligent & Conventional Field Devices
Information Network
Computers,Workstations,X-Terminals,PC’s etc
TomorrowTomorrow’’s SCADA Systems SCADA System
EngineeringWorkstation
I/O Modules
InternetAccess
Remote AccessRemote Access
Dial-upInternet Cellular ModemsCell Phone
Remote Monitoring and ControlReal-time customer usage
REP R.E. Pedrotti Co.
Smart Devices forSmart Devices forEnergy EfficiencyEnergy Efficiency
VFD’sMCC’sSwitchgearMonitor “Smart Grid”Smart Instrumentation and Analyzers
Power QualityPower Management
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
Marc Pedrotti, PER.E. Pedrotti Company, Inc.
Mission, Kansas(913) 677-3366
REP R.E. Pedrotti Co.
Overview Overview Basics of SCADA– Understanding the Alphabet Soup– Integrating the Enterprise
Managed Ethernet Networks Communication Methods– Radio VHF/UHF– Spread Spectrum and Ethernet Radios– Fiber Optic Communications– Cellular Communications– VoIP/RoIP Networking
REP R.E. Pedrotti Co.
Future of SCADAFuture of SCADA
Satellite CommunicationInfrared CommunicationWireless InstrumentationPalm Pilot Interface
REP R.E. Pedrotti Co.
LAN Ethernet TCP / IP Operator Stations
SIMPLE SCADA CONFIGURATIONSIMPLE SCADA CONFIGURATION
RTUs
RadioLink
Water NetworkWater Network
Optic Fibers
RTU
OpticFibers
OpticFibers
Central Processing Unit
RTU
REP R.E. Pedrotti Co.
LAN Ethernet TCP / IP
MEDIUM SIZE SCADA MASTER STATIONCONFIGURATION
MEDIUM SIZE SCADA MASTER STATIONCONFIGURATION
Redundant ServerLocal HMI
SystemConfigurator
Printer server
Remote Clients
Routers
RTUs & PLCs
Central ProcessingUnit
Serial Lines
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
REP R.E. Pedrotti Co.
GGraphical raphical UUser ser IInterfacenterface
OverviewAlarmTrendsAlarm Dialer SoftwareMaintenance Management Software
REP R.E. Pedrotti Co.
COMPLEX SCADA MASTER STATIONCONFIGURATION
COMPLEX SCADA MASTER STATIONCONFIGURATION
Modems
Routers
RTUs & PLCs
Dual LAN
Serial Lines