This course covers the essential elements of SCADA systems with particular emphasis on the DNP3 protocol, with an overview of the IEC 60870.5 and IEC 61850 protocols as well as new developments in this area.
The course commences with a review of the fundamentals of SCADA systems hardware, software and the communications systems that connect the outstations to the SCADA Master control station. The R S-232 and RS-485 interface standards are reviewed, along with MODBUS, Ethernet and TCP/IP protocols. The application of both Local Area and Wide Area networks for SCADA system communications is also covered. A detailed explanation of the DNP3 protocol is given, where the features, message structure, practical benefits and applications are discussed. The course is intended to be product independent but examples will be taken from existing products to ensure that all aspects of the DNP3 protocols are covered.
Examples are given of the configuration issues for DNP3 operation over both low speed serial (e.g., Radio links) and high speed LAN and WAN networks. An overview of the IEC 60870.5 and IEC 61850 protocols and their areas of application is given as well as new developments in this area. The application of Fieldbus protocols in SCADA systems is also covered. This course provides you with the tools to design your next SCADA system more effectively using DNP3 to draw on the latest technologies.
Open systems and communications standards
MODBUS and DNP3
Local Area Networks, Ethernet and TCP/IP
IEC 61850 protocol
Open SCADA Protocols
Interoperability and open standards
Development of standards
Remote terminal units
PLCs used as R TUs
The master station
Open Systems Interconnection (OSI) model
Basic interface standards: R S-232 and R S-485
MO DBUS protocol
Preview of DNP3
What is DNP3?
Interoperability and open standard
Benefits of DNP3
Features of DNP3
Background and development
Why use DNP3?
Understanding DNP message structure
Transport layer (Pseudo- transport)
Application layer message handling
Application layer message functions
Data object library
DNP message decoding
DNP subset definitions
Interoperability between DNP devices
Implementation rules and recommendations
DNP polling and communications options
Water industry example
IEEE 802.3 CSMA/CD ("Ethernet")
Medium access control
Internet Protocol (IP)
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
DNP3 over TCP/IP and U DP/IP
Configuration of DNP over WAN
Power industry example
Overview of IEC 60870-5 Protocols
Application data objects
Differences between DNP3 and
IEC 60870 Protocols
IEC 61850 Protocol Overview
IEC 61850 technology
Substation automation example
Latest Developments in Technology
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Industrial data communications, networking and IT systems are key components of all modern plants and facilities and industrial infrastructure. Robust and reliable communications links are now critical in almost every industry. There are daily reports of viral and hack attacks on industrial computer systems and there is an extraordinary need for up-to-date training and education in these areas.
To address the shortage of well-trained industrial data communications, networking and industrial IT personnel, EIT has developed an Advanced Diploma in Industrial Data Communications, Networking and IT. The short courses that form part of EIT's professional development series are designed to provide students with critical knowledge and practical tools that can be immediately applied to the workplace. They are ideal to up-skill and/or cross-skill in a particular area or technology.
Typical subjects that are taught and researched in the EIT School of Data Communications and Industrial IT include: computer systems engineering, data communications and networking protocols and standards, troubleshooting systems, Fieldbus, DeviceNet, Ethernet, Radio telemetry systems, fiber optics, DNP3, 61850, routers and switches, SCADA, Modbus, programmable logic controllers, RFID tagging, industrial network security and programming.
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