Automatic determination of correct IP address for network-connected devices
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United States of America Patent
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app pub date -
Oct 11, 2005
filing date -
Jul 11, 2000
priority date (Note) -
Abandoned
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Abstract
An automatic reconfiguration system for industrial networked devices. The system 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. In one embodiment the 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 correct IP address to the replacement device.
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