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Development of Protocol Analyzer Suited for Maintenance of LonWorks Netwo가 for Safety Management of Underground Facilities  

Kim, Hyung-Ki (Department of Elec. & Computer Engineering, University of Seoul)
Choi, Gi-Sang (Department of Elec. & Computer Engineering, University of Seoul)
Choi, Gi-Heung (Department of Mechanical Systems Engineering, Hansung University)
Publication Information
Journal of the Korean Society of Safety / v.25, no.6, 2010 , pp. 203-209 More about this Journal
Abstract
A compact ANSI/EIA 709.1 protocol analyzer system suited for maintenance of LonWorks network for safety management of underground facilities was developed and tested. The hardware is based on the TMS320LF2406A embedded system, and the software was designed using Visual C++6.0 under Windows XP environment. Connected to the LonWorks network the developed protocol analyzer decodes the raw packets and pass them to the master PC through USB port. Then on the PC the packets are processed and analyzed in various aspects and the key features that are essential to the maintenance of LonWorks network installed at underground facilities are displayed in a user-friendly format. Performance of the developed protocol analyzer was evaluated through a series of experiments, by measuring the speed of packet analysis and the error rate. The protocol analyzer proved to work reliably even under the increased bandwidth. However, more comprehensive tests under various underground environmental conditions are desired.
Keywords
fieldbus; LonWorks; protocol analyzer; safety management;
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