G - Physics – 05 – B
Patent
G - Physics
05
B
341/111
G05B 9/03 (2006.01) G07C 3/00 (2006.01) G08B 19/00 (2006.01) H04N 5/782 (2006.01) H04N 9/802 (2006.01)
Patent
CA 1329248
ABSTRACT A CONTROL SYSTEM FOR INDUSTRIAL PLANT A control system (10) for an industrial plant comprises a plurality of instrument sets (12A to 12N) and a plurality of logic sets (14A to 14L). The instrument sets have a number of sensors (16A to 16N) which detect parameters of the industrial plant, and have two serial link controllers (24A, 24B) which supply the output signals from each sensor in the instrument set sequentially to the logic sets. The logic sets have a number of auto select logic circuits (32A to 32N), each of which selects data from the sensors from one of the instrument sets, and a synchroniser (36) ensures that the output signals from the sensors detecting the same parameter are supplied to a voting logic circuit (40) at the same time. The voting logic circuit performs a voting function on the output signals to produce a series of high reliability signals which are converted to parallel high reliability signals by a series to parallel converter (44). The high reliability signals are supplied to a fault logic shutdown circuit (48) which controls the operation of shutdown mechanisms for the industrial plant.
598716
Gowling Lafleur Henderson Llp
Rolls-Royce And Associates Limited
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