Simulation of Standard Telecontrol Protocol IEC 60870-5-101

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Date
2015-04-27
Authors
Abdalla, Mudathir Mohammed
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UOFK
Abstract
The use of the telecontrol protocols helps developing of control systems. Technical and commercial competitions produce several protocols with different functions and specifications. This leads International Electrotechnical Commission to create standard protocol for telecontrol systems. As a result of the development of communication systems, the International Electrotechnical Commission produced a series of telecontrol protocols IEC60870-5 that contains several protocols for different purposes. The IEC60870-5-101 is used to link two stations, primary and secondary stations, while the IEC60870-5- 103 is used specially to transfer signals and data of protection equipments. The IEC60870-5-104 is used in telecontrol networks and can be easily connected to computer networks. For this simulation, the IEC60870-5-101 was selected for its importance due to its widely spreading use among the telecontrol systems, and it is also considered as a base structure for modern telecontrol systems such as IEC60870-5-104. The simulation was made by the Delphi programming language to link the primary and secondary stations using IEC60870-5- 101 protocol. Measured values with floating point numbers have been transferred from a secondary station to a primary station. All the simulation levels for construction and extraction of telecontrol messages were implemented successfully.
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Keywords
Simulation,Standard,Telecontrol,Protocol
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