Plug and play reconfigurable USB interface for industrial fieldbus network access
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United States of America Patent
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Jan 4, 2005
Grant Date -
Dec 25, 2003
app pub date -
Jun 21, 2002
filing date -
Jun 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reconfigurable interface device for providing access to a plurality of fieldbus networks. The interface device includes a reconfigurable circuit which provides access to a selected fieldbus network from among several optional fieldbus networks. According to an embodiment, the reconfigurable circuit includes a plurality of media units, each media unit providing access to one of the several optional fieldbus networks, and a switch unit coupled to each of the plurality of media units, the switch unit activating a media unit corresponding to the selected fieldbus network, and deactivating remaining media units. A reconfigurable control device is provided for controlling and monitoring a plurality of fieldbus networks. The control device includes a host, having a server and non-volatile memory, and a reconfigurable interface device having a reconfigurable circuit. The non-volatile memory stores firmwares for reconfiguring the reconfigurable circuit in accordance with each of the several optional fieldbus networks.
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