MooreHawke Trunkguard Series 200 fieldbus device couplers
The Trunkguard Series 200 fieldbus device couplers (TG200) from MooreHawke allow for the fast and easy enabling of fieldbus systems by connecting devices to a main fieldbus trunk in a Foundation fieldbus or Profibus PA network.
The series uses MooreHawke’s Automatic Segment Termination feature to eliminate the common installation error of segment failure from over-termination or under-termination. It detects if a device coupler is the last fieldbus junction in the segment and either terminates the segment or allows it go to the downstream device coupler.
The series also provides short-circuit protection through the use of a ‘fold-back’ technique to disconnect a shorted instrument from the fieldbus segment to prevent complete segment failure. A logic circuit on each spur detects a short in the instrument, disconnects the spur from the segment and signals a warning to personnel.
Phone: 02 8536 7200
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