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SSE
Remote Telemetry Unit
SSE RTU
Telemetry Systems
…40-20 Years Ago
• Rural Pumping Schemes – Controlled by hand
• Urban Schemes – Controlled by Relay Logic & Instrumentation
• Very Basic Telemetry Systems – Hard Wired with Mimic
• Radio Telemetry – Starting to emerge for remote control.
…15 to 20 Years Ago
• Demand for Operational Function – Alarms & Remote Control
• Slow Radios (300 Baud) Installed – Limited Data Throughput
• “Cable
Replacer” Type Telemetry System
• Control
– Relay Logic/Basic PLC
• Small Amount of Data – Mainly Basic Alarming & Limited Control
• Master Station – Mainly Mimic Panels & DOS Based SCADA
Typical Telemetry Network – Then!
Evolution of Technology
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Driven by two main influences
1. From Client Side (Pulling forces):
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Plants and distribution networks got more complex.
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The demand for more information at a quicker rates.
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Better / Faster service delivery.
2. From Technology offerings (Pushing forces):
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New technologies offer better and smarter solutions
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Faster processing power.
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More robust communication networks.
Scada Application
Modern RTU’s
• Compact – more I/O with smaller footprint
• Connect to all wide area networks – compatible with new
IP based networks
• Intelligent – PLC Based processing capabilities
• OPC Compliant Software – open standard for industrial
applications
• Remote Diagnostics – Network wide fault finding and
configuration tools
• Support for IED’s – protocol support for intelligent devices
• Protocol Standardization
SSE Design Philosophy
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Client Requirement driven.
Technology driven.
Follow well established engineering practises.
Hardware & Software are modular in design.
To design products that are:
 Economical
 User friendly
 Open
 Compatible
 Expandable
Always backwards compatible to older version RTU’s
Typical Telemetry System Layout
SCADA, MES &
Information Systems
Backhaul
Communication
Network
Monitoring Equipment
RTU’s
Interfacing &
Connectivity
Instrumentation & IED’s
Security &
Access Control
Actuators
Flow Meters
Energy
Meters
Soft
Starters
PLC’s
SSE RTU-12 Features
Instrumentation & IED’s:
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A wider choice of instruments.
Different interface signals:
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Micro Processor based
instruments got more an more
popular.
Intelligent Electronic Devices
(IED’s)
IED’s with Direct communication
capabilities.
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Security &
Access Control
Actuators
Flow Meters
Energy
Meters
Soft
Starters
PLC’s
4-20 mAmp, -20 - +20 mAmp
Volt & mVolt.
Frequency & pulses.
Running different protocols,
At different baud rate,
Using different communication
mediums.
IED’s got more and more popular,
but started posing more and more
interfacing challenges.
SSE RTU-12 Features…cont.
Interfacing:
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Discrete signals via conventional
cabling
IED’s supported on a wide variety
of interfacing and communication
network’s
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Security &
Access Control
Actuators
Flow Meters
Energy
Meters
Soft
Starters
PLC’s
RS-232
RS-485
Ethernet LAN
Etc
RTU-12 Equipment supports
these mediums simultaneously
SSE RTU-12 Features…cont.
Communications Backhaul:
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Communication between remote
RTU’s and Master SCADA
computers.
Protocols:
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Running different communication
mediums:
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Security &
Access Control
Actuators
Flow Meters
Energy
Meters
Soft
Starters
PLC’s
DNP-3 Slave.
IEC 60870-5-101.
Modbus.
DF-1
Enermax.
Etc.
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Analogue Radio.
Data Radio.
Dial-Up.
SMS / GPRS / 3G.
Fibre Optic.
LAN
Wireless LAN.
Wi-Max
Satellite.
Etc.
SSE RTU-12 Features…cont.
RTU-12 Summary:
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Comms Mediums
Comms Mediums
Protocols
- RS-232 / RS-485
- Analogue Radio
- Digital Radio
- Dial-Up
-SMS / GPRS / 3G
- Fibtre Optic
- Ethernet
- Wi MAX
- Satellite
- DNP-3
- IEC-60870-5-101
- TCP-IP
- Modbus
- DF-1
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Protocols
Comms Mediums
Discrete IO’s
- Modbus
- DF-1
- DNP3 Slave
- IEC 60870-5-101
- Hart
- Enermax
- ABB Magmaster
- RS-232
- RS-485
- 4-20mAmp
- Voltage
- Pulses
- Frequency
- Etc
Security &
Access Control
Actuators
Flow Meters
Energy
Meters
Soft
Starters
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PLC’s
Monitor discrete I/O.
Interface simultaneously with IED’s on
multiple protocols and on multiple
mediums.
Backhaul comms interfacing on
multiple protocols and on multiple
mediums.
Data concentrator and manager.
Configurability vs Programmability.
PLC like programming for local or
distributed control.
Intelligent data logger with event
reporting and time stamping to 1ms
resolution.
Advanced alarming direct to users cell
phone via SMS.
Comprehensive configuration toolbox.
Advanced diagnostics functionality.
The Road ahead
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Six new product releases in the next 12 Months.
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Maestro 2000 RTU : June 2011.
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Based on RTU-12 technologies.
Speed : 3 MIPS
New Enclosures.
Memory : 640 K
New Switch-mode PSU.
Maestro 4000 RTU : Feb 2012
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Complete new Hardware design
Speed : 66 MIPS
Memory : 64 Meg.
4 RS 232 Ports standard / One Isolated RS-485 optional
Ethernet Port.
USB Port.
Serial / Remote IO Modules.
The Road ahead
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IO Expansion Modules : Feb 2012
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Highspeed Serial Interfacing between RTU & IO Modules.
Processor on each IO Module.
Remote IO’s.
1 msSec Time Stamping.
Maestro 8000 RTU : Sept 2012
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Complete new Hardware design.
Speed : 250 MIPS
Memory : 64 Meg.
Run Real-time Operating System : Linux
4 RS 232 Ports standard / One Isolated RS-458 optional
Ethernet Port.
USB Host & Device.
Serial / Remote IO Modules.
1028 AIN, 1028 DIN, 1028 DOT, 1028 CIN, 512 AOT, 1028 FIN