MooreHawke's Trunksafe System Maintains Reliable Host-Device Communications

Foundation Fieldbus Knowledge Center

Trunksafe Fault-Tolerant Fieldbus System from MooreHawke, a division of Moore Industries-International Inc., provides a cost-effective, highly reliable strategy for maintaining FOUNDATION fieldbus communications between the fieldbus host and field devices without interruption in the event of a single-point failure such as an open-circuit or short circuit.

TrunksafeTrunksafe consists of two redundant fieldbus DC power supplies and a specially engineered device coupler to provide a secure fieldbus physical layer. The system:

  • Maintains 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; and,
  • Includes physical layer diagnostics that monitor and report open and short circuits, DC power status, and segment noise.

Trunksafe is part of MooreHawke's comprehensive line of fieldbus physical layer options, which includes Trunkguard Fieldbus device couplers and power supplies designed for general purpose, non-incendive, and Zone 1 and Zone 2 areas; and the Routemaster Fieldbus System for intrinsically-safe (IS) applications.

For more information, please visit the MooreHawke website.

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