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Performance analysis of the data link layer in the IEC/ISA fieldbus by simulation model

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2 Author(s)
Seung Ho Hong ; Dept. of Control & Instrum. Eng., Hanyang Univ., Ansan, South Korea ; Seong Geun Lee

Fieldbus provides a real-time data communication among field devices in the process control and manufacturing automation systems. In this paper, discrete-event simulation model of the 1993 draft of IEC/ISA fieldbus, which is proposed as an international standard of fieldbus network, is developed. The logical behavior of a simplified model of the data link layer protocol of IEC/ISA fieldbus is described by a Petri net model. Using the simulation model, this paper evaluates the network-induced delay in the data link layer of the IEC/ISA fieldbus. In addition, an integrated discrete-event/continuous-time simulation model of fieldbus and distributed control systems is developed. The integrated simulation model is used to investigate the real-time data communication capability of IEC/ISA fieldbus and the effect of network-induced delay on the performance of control system

Published in:

Emerging Technologies and Factory Automation, 1996. EFTA '96. Proceedings., 1996 IEEE Conference on  (Volume:2 )

Date of Conference:

18-21 Nov 1996