Integrated vector drives for metering and general transfer progressive cavity pumps from seepex have a digital display that helps integrate pumps with a single-reduction gearbox, a four-pole TEFC inverter-rated electric induction motor and a vector-type variable-frequency drive in a NEMA 4 enclosure. The vector capability has an internal sensorless feedback system for accurate speed control and stability. The display shows operating speed, drive status and settings during drive programming and setup. The keypad allows customized settings and for some factory-set parameters to be adjusted in the field. Alphanumeric codes aid in determining the cause of a fault trip from an overload condition or an inhibit signal from one of the external instruments for sensing a run-dry, high-pressure or low-flow condition. 937/864-7150;


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