A flexible protocol communications approach for a supervisory system
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Inclou dades d'ús des de 2022
Cita com:
hdl:2117/83136
Tipus de documentText en actes de congrés
Data publicació1989
EditorInstitute for Communication Technology Management (CTM)
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
This paper deals with the communication protocol intended to control up to 1016 devices of a new supervisory system. It has been conceived in two complementary phases. The first one (Cycle-A) is intended to inform the Central Station of any event detected by the installed devices in less than two seconds. The second one allows to set up a link between the Central Station and a selected Local Station in order to request more information or to act on its devices for command or programming purposes. The dialog between the Central Station and the Local Station takes place on a two wire communication channel, also used to supply de current from the Central to all Local Stations. This paper deals with the communication protocol intended to control up to 1016 devices of a new supervisory system. It has been conceived in two complementary phases. The first one (Cycle-A) is intended to inform the Central Station of any event detected by the installed devices in less than two seconds. The second one allows to set up a link between the Central Station and a selected Local Station in order to request more information or to act on its devices for command or programming purposes. The dialog between the Central Station and the Local Station takes place on a two wire communication channel, also used to supply de current from the Central to all Local Stations.
CitacióValle, R., Serrat, J. A flexible protocol communications approach for a supervisory system. A: International Carnahan Conference on Security Technology. "1989 International Carnahan Conference on Security Technology Proccedings: Zurich, Switzerland, October 3-5". Zurich: Institute for Communication Technology Management (CTM), 1989, p. 267-269.
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