Medium Access Control CSMA/CA Binary Countdown Protocol for SCADA Application

K.U. Prateek, Dinesh B. Ballullaya and Siddalingesh S. Navalgund
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K.U. Prateek: Dept.of Electrical and Electronics, SDM College of Engineering and Technology, Dharwad
Dinesh B. Ballullaya: Dept.of Electrical and Electronics Engineering,SDM College of Engineering and Technology, Dharwad
Siddalingesh S. Navalgund: Department of Electronics & Communication Engineering SDM College of Engineering and Technology, Dharwad

European Journal of Engineering and Technology Research, 2018, vol. 1, issue 4, 15-19

Abstract: This paper discusses a novel approach toaccess the medium using CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) protocols for SCADA (Supervisory Control And Data Acquisition) system employed in power systemoperation and control. This method offers superior performance over the existing practices of accessing medium using CSMA/CD protocols. The proposal makes use of binary countdown method with modifications. The requirements of SCADA system such as reliability and real time operation can be achieved by fast data transmission and prompt delivery. In this work, a program is written and the procedure is run to allocate the channel considering the priorities of the RTUs (Remote Terminal Units) and the type of data to be transmitted such as normal data for archival and event triggered data for operation control. The program uses generic statement and is applicable to a system having a MTU (Master Terminal Unit) and any number of RTUs. The results obtained by running the procedure show its novelty. Further, a Moore finite state Moore machine is designed and a VHDL model is developed

Keywords: SCADA; Medium access protocols; MTU; RTU; Procedure. (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:1:y:2018:i:4:id:60021

DOI: 10.24018/ejeng.2016.1.4.21

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