Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Chemical analysis
Patent
1996-07-30
1999-09-14
Kemper, Melanie A.
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Chemical analysis
36452801, G01N 1514
Patent
active
059536810
ABSTRACT:
A node having an on-board microprocessor and circuits to perform a particular function in an analytic instrument system having a CANBUS and using distributed logic to control the various analysis functions, including data acquisition, system control, and data transition. The various node circuits and functions include generating a signal to control a motor by pulse width modulation and feedback, control of temperature for sample and reagent reactions (incubations), monitoring the status of instrument control panel switches and visual indicators, voltage sources, test sample location, processing calorimeter measurements, and the like. Each node includes a CAN interface and a reset circuit, which is responsive to the system controller for performing the specific node function and responding to controller commands. The reset circuit allows for reinitializing the node microcontroller on, e.g., system startup, or on demand from the system controller or any other node on the CANBUS.
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Busch Jeff
Cantatore Luigi
Epstein Maurice J.
Ferrante Saverio E.
Hetherington Edward J.
Bayer Corporation
Kemper Melanie A.
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