Network platform for field devices
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United States of America Patent
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-
Jun 3, 2003
Grant Date -
N/A
app pub date -
Oct 21, 1999
filing date -
Oct 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention comprises a network platform that couples field devices to a TCP-IP based enterprise network having a control engine containing control logic for monitoring and controlling the field devices. In one embodiment, the network platform couples the field devices to the enterprise network through a network switch. Signals flowing through the network switch to and from the field devices may be assigned varying levels of priority wherein the network switch resolves resource conflicts by granting priority to the signal possessing the highest priority. Alternatively, signals flowing through the network switch to and from the field devices may be classified according to the type of signal transmission and the network switch reserves a portion of switch resources exclusively for certain types of signals.
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