H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/10 (2006.01)
Patent
CA 2684183
An electrical installation comprising control and/or monitoring means connected to a field device by means of an electrical communications circuit, in which the communications circuit comprises a power supply, a communications device, the field device as a load thereof, and Intrinsic Safety means, in which the communications device is adapted to send and receive signals over the communications circuit to and from the field device, in which the field device is adapted to send and receive signals over the communications circuit to and from the communications device, in which the Intrinsic Safety means renders all or part of the communications circuit Intrinsically Safe, in which the field device is located in an Intrinsically Safe part of the communications circuit, characterised in which the communications circuit is adapted to carry DSL signals, and in which the communications device and the field device communicate with one another according to the DSL protocol.
L'invention concerne une installation électrique comprenant des moyens de commande et/ou de surveillance connectés à un dispositif de champ au moyen d'un circuit de communications électrique. Ledit circuit de communications comprend une alimentation électrique, un dispositif de communications, le dispositif de champ sous forme de charge et des moyens de sécurité intrinsèque. Le dispositif de communications est conçu pour envoyer des signaux sur le circuit de communications au dispositif de champ et en recevoir de ce dernier, le dispositif de champ étant conçu pour envoyer des signaux sur le circuit de communication au dispositif de communications et en recevoir de ce dernier. Les moyens de sécurité intrinsèque rendent la totalité ou une partie du circuit de communications intrinsèquement sûr, le dispositif de champ étant situé dans une partie intrinsèquement sûre du circuit de communications. L'installation électrique est caractérisée en ce que le circuit de communications est conçu pour transporter des signaux DSL, et en ce que le dispositif de communications et le dispositif de champ communiquent l'un avec l'autre en fonction du protocole DSL.
Kessler Michael
Kitchener Renato
Rogoll Gunther
Pepperl & Fuchs (de)
Smart & Biggar
LandOfFree
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