System for converting input/output signals where each amplifier

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation

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702 57, 702 85, 702 86, 702104, 702127, 710 15, 710 18, 710129, 710130, G06F 501

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060526556

ABSTRACT:
A signal converter which receives signals from a plurality of sensor terminal ends to detect physical quantities in a plant and conducts a necessary correction for the signals to send the signals to a host computer or which transmits signals from the host computer to operation terminal ends in the plant includes a sensor terminal end amplifier including a processing unit for receiving a signal from a sensor terminal end and conducting a predetermined amplifying operation for the signal and a storage unit in which information items related to the sensor terminal and the processing unit are stored, an operation terminal end amplifier including a converting unit for converting signals into predetermined control signals which can be received by the operation terminal end and a storage unit in which information items related to the operation terminal end and the converting unit are stored, and a signal converting section including a connecting unit for connecting the sensor terminal amplifier section to the operation terminal amplifier section and a signal processing unit for conducting signal processing to communicate with the host computer.

REFERENCES:
patent: 4430828 (1984-02-01), Oglevee et al.
patent: 4725819 (1988-02-01), Sasaki et al.
patent: 5005142 (1991-04-01), Lipchak et al.
patent: 5057994 (1991-10-01), Spiller
patent: 5070732 (1991-12-01), Duncan et al.
patent: 5253185 (1993-10-01), Mutchler et al.
patent: 5319572 (1994-06-01), Wilhelm et al.
patent: 5703575 (1997-12-01), Kirkpatrick

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