MooreHawke Trunksafe Fault-Tolerant Fieldbus System

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The Trunksafe Fault-Tolerant Fieldbus System from MooreHawke protects against single points of failure.

It provides a cost-effective and reliable strategy to maintain Foundation fieldbus or Profibus PA communications between the DCS and field devices without interruption in the event of any single point failure (such as an open-circuit or short-circuit).

Delivering a complete fault-tolerant fieldbus physical layer, the system comprises two redundant fieldbus DC power conditioners and a specially engineered device coupler that, in combination, provide a secure fieldbus physical layer.

The system will maintain all process and diagnostic communications without interruption, even if the network cable is broken or shorted; is compatible with Foundation fieldbus H1 and Profibus PA networks and devices; features physical layer diagnostics that monitor and report open- and short-circuits, DC power status and segment noise.