The unit's intrinsically-safe field connections provide the necessary protection typically afforded by a galvanically isolated intrinsically safe barrier. In addition, the unit cuts wiring and maintenance costs by enabling users to eliminate additional barriers and power supplies, which reduces space requirements and heat dissipation or cooling considerations in barrier marshalling cabinets. The alarm trip is powered by a universal AC/DC power supply and provides on/off control, warns of unwanted process conditions, alarms on rate of change, and assists with or performs emergency shutdowns. Very versatile, it accepts a wide variety of signal inputs from transmitters and temperature sensors and provides dual and quad independent and individually-configurable alarm relay outputs when a monitored process variable falls outside of user-set high and/or low limits. Features include 20-bit input resolution, site and PC programming, a large five-digit process readout, and an optional analog output, so the unit can function as a transmitter as well as an alarm trip.
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Moore Industries-International, Inc.