Multiplex communications – Fault recovery – Bypass an inoperative switch or inoperative element of a...
Reexamination Certificate
2006-01-03
2006-01-03
Dinh, Khanh (Department: 2151)
Multiplex communications
Fault recovery
Bypass an inoperative switch or inoperative element of a...
C709S220000, C709S221000, C370S245000, C370S216000
Reexamination Certificate
active
06982953
ABSTRACT:
The present invention is for automatic reconfiguration of industrial networked devices. More particularly, the system described herein facilitates use of TCP/IP networks, such as Ethernet, as an alternative for industrial fieldbus or device buses by removing the need to perform significant reconfiguration of devices such as I/O modules, sensors, or transducers under field replacement situations. The present invention uses a monitor agent to track the IP and MAC addresses of networked devices as well as port information. If a device fails, maintenance personnel make an in-field replacement of the failed device and the monitor agent automatically reassigns the IP address to the replacement device.
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Internet standard document RFC 951, Bootstrap Protocol (BOOTP), Sep. 1985, pp 1-12.
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Dinh Khanh
Maine & Asmus
Scorpion Controls, Inc.
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