G - Physics – 05 – B
Patent
G - Physics
05
B
328/113, 342/21
G05B 19/04 (2006.01) G05B 19/042 (2006.01)
Patent
CA 1315359
ABSTRACT This invention relates to a universal device for sequentially sensing input signals from field devices or providing control output signals for controlling said field devices on a plurality of channels, comprising: signal conditioning circuitry connected to said field devices; programmable memory for manually storing data defining: each said field device connected to said signal conditioning circuitry; one of said channels as an input signal to said signal conditioning circuitry from one of said field devices; one of said channels as an output signal from said universal devices to said one of said field devices; microprocessing for controlling and activating said programmable memory; multiplexer controlled by said microprocessing to sequentially select said data stored in said programmable memory corresponding to said input signals or said output signals; controlled by said microprocessing and programmable memory for generating a selected digital bit stream corresponding to said data representing said input signal or said output signal sequentially selected by said multiplexer; means for translating said digital bit streams to an analogue signal for each sequentially selected input signal and output signal; signal conditioning circuitry activated by said analogue signal for sensing said input signals or providing said output signals defined by said programmable memory , whereby said device is manually programmed so that said different input signals may be monitored from said field devices or different output signals may be provided to said field devices by said signal conditioning circuitry on each said channels respectively by varying the data stored in said programmable memory without changing said signal condition.
542242
Darling Jim
Dean David Michael Moore
Hill Anthony
Mcleish Anthony Barrington
Distributed Matrix Controls Inc.
Na
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