Data handling systems

Details Data handling systems Data handling systems

G - Physics

06

F

354/93

G06F 11/00 (2006.01) G05B 9/03 (2006.01) G05B 23/02 (2006.01)

Patent

CA 1076705

Abstract of the Invention: A data handling system receives analogue signals on a numbe of input lines by scanning the lines continually. The input signals are set into a register and after each scan their positions shifted by one place. A/D converters produce digital signals from these and a computer compares the digital signals with stored threshold data to yield a status binary i or O according to whether the inputs are inside or outside the threshold. Test signals are interleaved with the analogue signals. The status signals are assembled in a register and continuously recycled so that a constant stuck at 1 or stuck at 0 defect is at once recognised. The input lines are replicated and a majority vote is taken before any actuator is exercised.

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