Flexible automation system for variable industrial processes
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United States of America Patent
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Apr 30, 1996
Issued Date -
N/A
app pub date -
Jun 21, 1993
filing date -
Aug 16, 1989
priority date (Note) -
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Abstract
A flexible automation system for variable industrial processes (e.g. for processes on an oil or gas conveyer platform) includes programmable controllers that are linked via bus subsystems to process variables that are assigned in digital or analog form. The bus subsystems have communication interfaces for retrieving process variables from the programmable controllers. A retrieval signal is assigned to each process variable in coded form.
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