MooreHawke TrunkGuard TPS400 fieldbus power supply, up to 500 mA per segment

MooreHawke introduces the TrunkGuard TPS400 Fieldbus Power Supply for general purpose and non-incendive applications.


MooreHawke, a division of Moore Industries-International, Inc., introduces the TrunkGuard TPS400 Fieldbus Power Supply for general purpose and non-incendive applications. Available models supply 350 mA (for non-isolated, energy limited applications) or 500 mA (for high current demand applications) of isolated, conditioned simplex (non-redundant) or duplex (redundant) power to up to four segments.

TPS400 Fieldbus Power Supply from MooreHawke

TPS400 Fieldbus Power Supply from MooreHawke

The fieldbus power supply has a high-availability, modular design featuring modules that are hot-swappable with load-sharing in redundant pairs. This maintains power to the segment in the instance that one module in a pair needs to be removed. Additional features include a rugged industrial metal housing, optional pluggable surge protection, and multi-segment H1 connectors that deliver simple, error-free wiring to a DCS and reduce installation time. The TPS400 also has an economical Diagnostics Module (FDM252) option that provides a master alarm and LED-based alarms for segment noise, dc voltage levels and conditioner status faults. Ideal for use with MooreHawke Series 200 and Series 300 TrunkGuard Fieldbus Device Couplers , the TPS400 also works perfectly with any other manufacturer's non-intrinsically-safe fieldbus device couplers.

Also read from Control Engineering , Safety via Fieldbus-Hanging by a Wire?

- Edited by Mark T. Hoske, editor in chief, Control Engineering

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