Process communication link
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United States of America Patent
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-
Jun 2, 1981
Grant Date -
N/A
app pub date -
Jul 2, 1979
filing date -
Jul 2, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A distributed, electronic process control system is disclosed having a plurality of remotely located stations interacting to control a complex industrial process. The stations communicate via a process communication link which supports secure, multi-master communication. The link provides a transparent medium of exchange for the secure transfer of process status and control information among the stations, such that each station may initiate and control system communication for a predetermined time period.
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