Master Metering using your SCADA System

Jim Mimlitz
SCADAmetrics
Master Metering
Using Your SCADA System
A Briefing to the AWWA Midwest Water & Wastewater Technology Conference
05 June 2014 Grayslake, Illinois
© 1995-2014 COPYRIGHT
SCADAMETRICS
ALL RIGHTS RESERVED.
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Why Integrate Master Meter Data
Into The SCADA System?
• Track Distribution System Flows In Realtime.
• Bulk Customer Billing & Automatic Reports.
• Detect and Zone Transmission Line Leaks.
• Increase Employee Safety.
• Improve Data Accuracy.
• Leverage Already-Existing SCADA System Infrastructure.
The Bottom Line: Reduce Operational Costs
ISAWWA
Training
© 1995-2014
COPYRIGHT SCADAMETRICS.
SCADAmetrics

Track Distribution System
Flows In Realtime…
SCADA Systems Excel At:
• Collecting Large Amounts of Sensor Data Within Short Time Intervals
• Graphical Presentation of Data
• Alarming Unusual Conditions (Audible Alerts, Text Messages, etc.)
• Graphical Presentation of Historical Trending Charts
ISAWWA
Training
© 1995-2014
SCADAmetrics
GPM
GAL
477724330
GALLONS
950.2
GPM

Bulk Customer Billing &
Automatic Reports…
Connect SCADA Database to:
• Billing Software System
• Excel Spreadsheets
ISAWWA
Training
© 1995-2014
SCADAmetrics

Bulk Water
Customer
(RE Water Corporation)
Purchase Point
From Supplier
(City of Albion, IL)
Standpipe
Storage
Pump Station #1 Flow
– RE Water (Bulk Customer) System Flow
– Standpipe Storage Flow
= Approximate Residential And Business Usage
Pump Station #1
Water Company
SCADA Server
Residential And Business
Customers
ISAWWA
Training
© 1995-2014
SCADAmetrics
Detect and Zone
Transmission Line Leaks…
Pump Station #2
Flow (gpm)
Overnight Usage Trends
Provide A Useful Measure
Of Potential Water Leaks

ISAWWA
Training
© 1995-2014
SCADAmetrics
Increase Employee Safety…
• Meter Vaults – Safety Hazard.
• OSHA Confined Space Compliance.

ISAWWA
Training
© 1995-2014
SCADAmetrics
Improve Data Accuracy…
SCADA/Meter
Instrumentation Saved
The Utility $14K On
This Month’s Bill.
4 Below-Grade
Master Meters
Eyeball-Read By
Human Meter
Reader. (Errors)
4 Master Meters
Machine-Read By
SCADA System.
(Error-Free)

ISAWWA
Training
© 1995-2014
SCADAmetrics
Leverage Already-Existing
SCADA Infrastructure…
• Computer Hardware
• Computer Software
• Communication Infrastructure
(Radio, Fiber-Optic, Etc.)
• Remote Sites
(eg Water Towers, Pumping Stations)

How To Integrate Master Meters
Into A SCADA System?
• Case Study I –
Licensed FM Radio Telemetry
• Case Study II –
Cellular Ethernet Telemetry
• Case Study III –
Extraterrestrial Satellite Radio Telemetry
ISAWWA
Training
© 1995-2014
SCADAmetrics

• Collect Data From 34 Master Meters
(Various Brands) Using SCADA System.
• 4 Readings Per Day.
• Revenue-Grade Accuracy
Of Meter Readings.
• Accelerated Leak Detection.
• Minimize Recurring Costs:
Low Energy Footprint (Solar Solution)
Eliminate Manual Read Payroll
Reduce Fuel and Vehicle Wear/Tear
Reduce Data Entry and Reporting Time
• Increase Employee Safety.
• 3 Year Investment Payback.
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miles
Case Study I –
Licensed FM Radio Telemetry
ABS Water Cooperative (Clayton, IL)
ISAWWA
Training
© 1995-2014
SCADAmetrics
Project Goals:

• Several Meter Brands Mixed
Throughout System
• Customer Desired To Utilize
Existing Meters
Sensus
Badger
34 Master Meters…
ISAWWA
Training
© 1995-2014
SCADAmetrics

• Utilize Absolute Encoder Technology
No Pulse Signaling (Pulse-Counting Errors)
No 4-20mA Signaling (Integration Errors)
• Required Register Retrofits:
Sensus – ICE Registers
Badger – ADE Registers
Revenue-Grade Accuracy…
ISAWWA
Training
© 1995-2014
SCADAmetrics
Sensus ICE
Register
Badger ADE
Register

Minimize Recurring Costs…
ISAWWA
Training
© 1995-2014
SCADAmetrics
Solar-Power Eliminated Need For Electric Utility Service:
• No Up-Front Utility Hookup Charges
• No Monthly (Minimum) Usage Charges

Lexan Window
“Visual Read” Backup
Telemetry Hardware Diagram…
ISAWWA
Training
© 1995-2014
SCADAmetrics
Solar Panel (50W) and
Battery Charge Controller
EM-100 EtherMeter
SCADA/Meter Gateway
DL-3400
FM Telemetry Radio
Fusing
12V Battery
Radio Communications Using
RS-232 and Modbus/RTU
Industrial Protocol
Water Towers Were Natural
Repeaters For Meters In
Low-Lying Areas.

• Software Library Created That
Linked the SCADA Database
To Excel Spreadsheets.
• Automatic and Fast Report
Generation.
• Data Analytics Quantifies
Usage Anomalies/Leaks.
• Data Transcription Errors
Eliminated.
Reduced Data Entry and
Reporting Time… ISAWWA
Training
© 1995-2014
SCADAmetrics

• Collect Meter Data From 20 Custody Transfer Meters (Various Brands) Using
Cellular Ethernet Technology and the Existing SCADA System.
• Main Purpose = Billing. Revenue-Grade Accuracy Required.
• Readings Every 15 Minutes.
Low Energy Footprint (Use Solar Wherever Power Not Available)
Eliminate Ineffective Legacy System and Associated Monthly Contract
• Interface With Bulk Customer Telemetry Equipment.
Case Study II –
Cellular-Ethernet Telemetry
Utility:
Missouri American Water Company (Saint Louis, MO)
Project Goals:
ISAWWA
Training
© 1995-2014
SCADAmetrics

Water
Company
HQ
Cellular
Carrier
Master Meters
Retrofitted with
Encoder-Type Registers
IMPROVED
MASTER
METERING
SYSTEM
Local
Cellular Tower
Infrastructure
Private
Cellular
Network
Industrial
Ethernet
Protocols
Cellular Ethernet System…
ISAWWA
Training
© 1995-2014
SCADAmetrics
• Private Cellular Network For SCADA Security.
• Data Communications Using KepServerEx.
• Nice Extra: Modbus/UDP Industrial Protocol (not Modbus/TCP).
• UDP Protocol Achieved Order-of-Magnitude Decrease In Billable Cellular Kilobytes.

ISAWWA
Training
© 1995-2014
SCADAmetrics
Cellular Master Meter Site…

Cellular Telemetry
Hardware Diagram… ISAWWA
Training
© 1995-2014
SCADAmetrics
Cellular Antenna
EM-100 EtherMeter
SCADA/Meter Gateway
AC/DC Power Supply (24V)
Raven-E
Cellular Gateway (Modem)
ADAM-4024
4-20mA Output Module
(Signaling To Bulk Customer
Telemetry)

ISAWWA
Training
© 1995-2014
SCADAmetrics
Case Study III – Extraterrestrial
Satellite Radio Telemetry…
• Collect Meter Data From Custody Transfer Meters (Various Brands) Using
Extraterrestrial Satellite Modem Technology.
(Cellular Not Available, FM Radio Insufficient Range).
• Main Purpose = Billing. Revenue-Grade Accuracy Required.
• Readings Every 6 Hours.
Low Energy Footprint (Utility Power Not Available).
Utility:
Northwest Area Water Supply District (Bismark, ND)
Project Goals:

ISAWWA
Training
© 1995-2014
SCADAmetrics
ISAWWA
Training
© 1995-2014
SCADAmetrics
Case Study III – Extraterrestrial
Satellite Radio Telemetry…

ISAWWA
Training
© 1995-2014
SCADAmetrics
Satellite Telemetry
Hardware Diagram…
JouBeh 9602W
Satellite Transceiver
Satellite Antenna
EM-100 EtherMeter
SCADA/Meter Gateway

ISAWWA
Training
© 1995-2014
SCADAmetrics
Satellite Telemetry Typical Site…
Hardware Diagram…
Solar Panel.
Telemetry Enclosure.
Below-Grade Master Meter:
Badger w/ ADE Register
(Absolute Digital Encoder).

ISAWWA
Training
© 1995-2014
SCADAmetrics
Satellite – SCADA Integration
Nice Extras
(Self-Diagnostics):
Satellite Signal Strength
Battery Voltage

SCADA Useful For…
• Tracking Distribution System Flows In Realtime.
• Alarming.
• Historical Trending.
• Data Visualization.
• Assisting With Bulk Customer Billing
• Generating Reports Automatically.
• Detecting and Zoning Transmission Line Leaks.
• Increasing Employee Safety.
• Improving Data Accuracy (Eliminating Human Reading and Transcription Errors).
Key Technology Components…
• Absolute Encoder-Based Meter Registers.
• Leverage Existing SCADA Infrastructure.
• Utilize Most Suitable Communication Method (eg. FM Radio, Cellular, Satellite).
• May Utilize Solar Power When Needed.
ISAWWA
Training
© 1995-2014
SCADAmetrics
Summary & Key Points –

Master Metering using your SCADA System

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