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Fieldbus system with shared redundancy system

  • US 20090315395A1
  • Filed: 07/31/2006
  • Published: 12/24/2009
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. A Fieldbus system comprising a plurality of segments each comprising a trunk with its own primary power supply, and a shared redundancy system comprising one or more auxiliary power supplies and monitoring and control means, in which the monitoring and control means is adapted to detect failures in any part of any of the plurality of segments, in which in the event of a failure being detected by the monitoring and control means in any one of the plurality of segments, the monitoring and control means isolates the trunk in that segment from its primary power supply and connects said trunk to one of the one or more auxiliary power supplies, and in which any one of the auxiliary power supplies is connectable to any two or more of the trunks.

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