Transfer system for multi-variable control units
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United States of America Patent
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-
Jun 30, 1981
Grant Date -
N/A
app pub date -
Mar 30, 1979
filing date -
Mar 30, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automatic transfer method and apparatus for a multi-variable control unit having at least two process control units is disclosed which initiates transfer from the selected controller to the non-selected controller through failure of the selected controller to produce transfer preventing signals.
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