Tovar, EduardoVasques, Francisco2014-02-032014-02-031998http://hdl.handle.net/10400.22/3649In this paper, we analyse the ability of P-NET [1] fieldbus to cope with the timing requirements of a Distributed Computer Control System (DCCS), where messages associated to discrete events should be made available within a maximum bound time. The main objective of this work is to analyse how the network access and queueing delays, imposed by P-NET’s virtual token Medium Access Control (MAC) mechanism, affect the realtime behaviour of the supported DCCS.engP-NETReal-time communicationsFieldbus networksSchedulingjournal article